CN214059936U - Speed regulation water purification system based on water production circulation and water purifier - Google Patents
Speed regulation water purification system based on water production circulation and water purifier Download PDFInfo
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- CN214059936U CN214059936U CN202022046017.4U CN202022046017U CN214059936U CN 214059936 U CN214059936 U CN 214059936U CN 202022046017 U CN202022046017 U CN 202022046017U CN 214059936 U CN214059936 U CN 214059936U
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Abstract
The utility model provides a speed governing water purification system and have this speed governing water purification system based on produce hydrologic cycle's purifier, is provided with filter equipment and the product water reposition of redundant personnel subassembly that is used for reposition of redundant personnel filter equipment to produce water, and filter equipment's the product water outlet end and filter equipment's the end of intaking all communicate with product water reposition of redundant personnel subassembly. This speed governing water purification system and purifier based on produce hydrologic cycle can both be shunted producing water through producing water reposition of redundant personnel subassembly when producing the water velocity of flow and being higher than the demand velocity of flow to reduce the velocity of flow, can not cause the suppressing pressure to water purification system simultaneously. The utility model discloses water circulation backward flow to the end of intaking is produced to the part after the reposition of redundant personnel to can not cause the water waste, produce the hydrologic cycle moreover and hold to intaking, still wash filter equipment's effect through producing. And simultaneously the utility model discloses a filter equipment comprises multistage filter core unit, can only change this inefficacy filter core unit when one of them one-level filter core unit became invalid, and need not to change the filter core unit that does not become invalid to greatly reduced replacement cost.
Description
Technical Field
The utility model relates to a water purification technology field, in particular to speed governing water purification system based on produce hydrologic cycle and a purifier that has this speed governing water purification system based on produce hydrologic cycle.
Background
The process of purifying water is to remove impurities, residual chlorine, organic matters, harmful heavy metal ions, bacteria, viruses and the like in the water in a physical or chemical mode through corresponding filtering materials according to different water using requirements. The household purified water is mainly purified by a water purifier.
The product water velocity of flow of purifier among the prior art is invariable, and this product water velocity of flow can not be controlled, if the aperture through mechanical ball valve tap controls the purifier flow by force, can cause the purifier to suppress pressure like this, damages the performance of purifier.
Therefore, it is necessary to provide a water-producing cycle-based speed-regulating water purification system and a water purifier having the same to solve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of them aim at avoids prior art's weak point and provides a speed governing water purification system based on produce hydrologic cycle. The speed-regulating water purification system based on water production circulation can regulate the flow rate of produced water.
The above object of the present invention is achieved by the following technical measures:
the utility model provides a speed governing water purification system based on produce hydrologic cycle is provided with filter equipment and the product water reposition of redundant personnel subassembly that is used for reposition of redundant personnel filter equipment to produce water, and filter equipment's the product water outlet end and filter equipment's the end of intaking all are connected with product water reposition of redundant personnel subassembly.
Preferably, the water production and distribution assembly is provided with a distribution regulating valve for regulating the distribution flow, and two ends of the distribution regulating valve are respectively connected with the water production and outlet end of the filtering device and the water inlet end of the filtering device.
The utility model discloses a speed governing water purification system based on produce hydrologic cycle still is provided with out the water switch, goes out the water switch and assembles in filter equipment's product water outlet end, and the reposition of redundant personnel governing valve is located between water switch and the filter equipment.
Preferably, the water-producing flow-dividing assembly is provided with a flow-dividing switch, and two ends of the flow-dividing switch are respectively connected with the water-producing water outlet end of the filtering device and the water inlet end of the filtering device.
The utility model discloses a speed governing water purification system based on produce hydrologic cycle still is provided with the product water governing valve that is used for adjusting product water flow, produces the water governing valve and assembles in filter equipment's product water outlet end, and shunt switch is located between product water governing valve and filter equipment's the end of intaking.
Preferably, the water production flow distribution assembly is further provided with a pressure sensor for detecting the water production pressure, and the pressure sensor is assembled at the water production outlet end of the filtering device.
The utility model discloses a speed governing water purification system based on produce hydrologic cycle still is provided with out the water switch, goes out the water switch and assembles in filter equipment's product water outlet end, and the reposition of redundant personnel governing valve is located between water switch and the filter equipment.
Preferably, the filter device is provided with at least one filter element unit.
Preferably, the filter device is provided with a plurality of stages of filter element units which are connected in series in sequence.
The concentrated water outlet end of each stage of filter element unit is connected with the water inlet end of the next stage of adjacent filter element unit.
The water outlet end of each stage of filter element unit is connected with one end of the shunt regulating valve, and the other end of the shunt regulating valve is connected with the water inlet end of at least one stage of filter element unit.
Preferably, the filter device is provided with a plurality of filter element units which are connected in series in sequence.
The water inlet end of the filter element unit is connected with the water inlet end of the adjacent next-stage filter element unit.
The filter element unit far away from one end of raw water entering is defined as a water producing and water outlet end of the filter element unit at the termination end of the stop end filter element unit and is connected with one end of the shunt regulating valve, and the other end of the shunt regulating valve is connected with the water inlet end of the at least one stage of filter element unit.
Preferably, the filter element unit is a reverse osmosis filter element unit, a nanofiltration filter element unit or an ultrafiltration filter element unit.
Preferably, the filter element unit is provided with a membrane.
Preferably, the thickness of the membrane is less than or equal to 50 μm.
Preferably, the base support layer of the membrane sheet is a porous material layer formed in a non-phase inversion manner.
Preferably, the material of the porous material layer is polypropylene or polyethylene.
Another object of the present invention is to provide a water purifying machine which avoids the disadvantages of the prior art. The water purifier can regulate the flow rate of produced water.
The above object of the present invention is achieved by the following technical measures:
the water purifier is provided with the speed-regulating water purifying system based on the water production circulation.
The utility model discloses a speed governing water purification system and a purifier that has this speed governing water purification system based on produce hydrologic cycle are provided with filter equipment and the product water reposition of redundant personnel subassembly that is used for shunting filter equipment to produce water, and filter equipment's product water outlet end and filter equipment's the end of intaking all with produce water reposition of redundant personnel subassembly and be connected. This speed governing water purification system and purifier based on produce hydrologic cycle can both be shunted producing water through producing water reposition of redundant personnel subassembly when producing the water velocity of flow and being higher than the demand velocity of flow to reduce the velocity of flow, can not cause the suppressing pressure to water purification system simultaneously. The utility model discloses water circulation backward flow to the end of intaking is produced to the part after the reposition of redundant personnel to can not cause the water waste, produce the hydrologic cycle moreover and hold to intaking, still wash filter equipment's effect through producing. And simultaneously the utility model discloses a filter equipment comprises multistage filter core unit, can only change this inefficacy filter core unit when one of them one-level filter core unit became invalid, and need not to change the filter core unit that does not become invalid to greatly reduced replacement cost.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
Fig. 1 is a schematic diagram of the signal transmission direction of a speed-regulating water purification system based on water production cycle in embodiment 1.
Fig. 2 is a schematic diagram of the water path relationship of the speed-regulating water purification system based on water production cycle in embodiment 2.
Fig. 3 is a schematic diagram of the water path relationship of the speed-regulating water purification system based on water production cycle in embodiment 3.
Fig. 4 is a schematic diagram of the water path relationship of the speed-regulating water purification system based on water production cycle in embodiment 4.
Fig. 5 is a schematic view of a plurality of sub-cartridges of example 5 connected in series in sequence.
Fig. 6 is a schematic diagram of multiple sub-cartridges in parallel according to example 5.
Fig. 7 is a schematic diagram of a plurality of sub-cartridges in series-parallel connection according to example 5.
Fig. 8 is a schematic diagram of the water path relationship of the speed-regulating water purification system based on the water production cycle in embodiment 7.
In fig. 1 to 8, the following are included:
the filter comprises a first filter element unit 100, a sub-filter element 110, a second filter element unit 200, a pressure sensor 300, a shunt regulating valve 400, a water outlet switch 500, a shunt switch 600 and a water production regulating valve 700.
Detailed Description
The technical solution of the present invention will be further explained by the following examples.
Example 1.
A speed-regulating water purification system based on water production circulation is provided with a filtering device and a water production flow distribution assembly for distributing water produced by the filtering device, wherein a water production outlet end of the filtering device and a water inlet end of the filtering device are both connected with the water production flow distribution assembly, as shown in figure 1.
The produced water shunting assembly is provided with a shunting regulating valve 400 for regulating shunting flow, and two ends of the shunting regulating valve 400 are respectively connected with a produced water outlet end of the filtering device and a water inlet end of the filtering device. The utility model discloses a speed governing water purification system still is provided with out water switch 500, goes out water switch 500 and assembles in filter equipment's product water outlet end, and reposition of redundant personnel governing valve 400 is located between water switch 500 and the filter equipment.
The utility model discloses the product water that filter equipment produced falls into two the tunnel, and wherein produce water all the way and shunt the flow through user control reposition of redundant personnel governing valve aperture regulation reposition of redundant personnel flow, another way is produced water and is discharged speed governing water purification system by the switch that goes out.
It should be noted that the water outlet switch of the present invention only plays a role of communication and closing, and cannot adjust the opening degree.
The produced water shunting assembly is further provided with a pressure sensor 300 for detecting the pressure of the produced water, and the pressure sensor 300 is assembled at the water outlet end of the produced water of the filtering device.
The utility model discloses a filter equipment's daily system water yield is more than or equal to 600 gallons. And the water outlet switch 500 is a mechanical ball valve.
This speed governing water purification system based on produce hydrologic cycle can be shunted producing water through producing water reposition of redundant personnel subassembly when producing the water velocity of flow and being higher than the demand velocity of flow to reduce the velocity of flow, can not cause the pressure building to water purification system simultaneously. The utility model discloses water circulation backward flow to the end of intaking is produced to the part after the reposition of redundant personnel to can not cause the water waste, produce the hydrologic cycle moreover and hold to intaking, still wash filter equipment's effect through producing.
Example 2.
A speed governing water purification system based on produce hydrologic cycle, other characteristics are the same as embodiment 1, still have following characteristic: the utility model discloses a filter equipment is provided with a filter core unit at least.
In this embodiment, only one filter element unit is specifically provided, and is defined as a first filter element unit 100. The water outlet end of the filter element unit and the water inlet end of the filter element unit are both connected with a shunt regulating valve 400, as shown in fig. 2.
It should be noted that the utility model discloses can also be provided with two or more than two filter core units, specific implementation mode is according to actual conditions and decides.
This speed governing water purification system based on produce hydrologic cycle can be shunted producing water through producing water reposition of redundant personnel subassembly when producing the water velocity of flow and being higher than the demand velocity of flow to reduce the velocity of flow, can not cause the pressure building to water purification system simultaneously. The utility model discloses water circulation backward flow to the end of intaking is produced to the part after the reposition of redundant personnel to can not cause the water waste, produce the hydrologic cycle moreover and hold to intaking, still wash filter equipment's effect through producing.
Example 3.
A speed governing water purification system based on produce hydrologic cycle, other characteristics are the same as embodiment 1, still have following characteristic: the utility model discloses filter equipment is provided with series connection's multistage filter core unit in proper order.
The concentrated water outlet end of each stage of filter element unit is connected with the water inlet end of the next stage of adjacent filter element unit. The water outlet end of each stage of filter element unit is connected with one end of the shunt regulating valve 400, and the other end of the shunt regulating valve 400 is connected with the water inlet end of at least one stage of filter element unit.
The filter element unit of this embodiment is provided with a 2-stage filter element unit, as shown in fig. 3, the 2-stage filter element unit adopts a sequential series connection manner, the 2-stage filter element unit defines a first filter element unit 100 and a second filter element unit 200 respectively, a concentrated water outlet end of the first filter element unit 100 is connected with a water inlet end of the second filter element unit 200, a water outlet end of the first filter element unit 100 and a water outlet end of the second filter element unit 200 are connected with one end of a flow dividing regulating valve 400, and the other end of the flow dividing regulating valve 400 is connected with only a water inlet end of the first filter element unit 100.
The waterway relationship of this embodiment is as follows:
raw water enters the first filter element unit 100 and is treated by the first filter element unit 100 to obtain pure water A and concentrated water A, the concentrated water A enters the second filter element unit 200 and is treated by the second filter element unit 200 to obtain pure water B and concentrated water B, the concentrated water A is discharged as system concentrated water, and the pure water A and the pure water B are converged to form pure water C1And pure water C2Pure water C1Pure water C for system pure water discharge2Through diverter valve 400 and into the water inlet side of first cartridge unit 100.
It should be noted that the utility model discloses a filter core unit can be provided with 2 grades, also can be provided with 3 grades, 4 grades, 6 grades, 10 grades, 30 grades etc. and the other end of reposition of redundant personnel governing valve 400 can be connected by the end of intaking of one-level filter core unit, also can be connected with the end of intaking of multistage or whole filter core units, and specific implementation mode is decided according to actual conditions.
Compared with the embodiment 1, the embodiment only replaces the failed filter element unit when the first-stage filter element unit fails, and the non-failed filter element unit does not need to be replaced, so that the replacement cost is greatly reduced. And the multistage filter core unit of this embodiment is established ties through dense water, and dense water passes through multi-stage filtration to improve the utilization ratio of dense water greatly, thereby improve the waste water ratio.
Example 4.
A speed governing water purification system based on produce hydrologic cycle, other characteristics are the same as embodiment 1, still have following characteristic: the filtering device is provided with multistage filter element units which are connected in series in sequence.
The water inlet end of the filter element unit is connected with the water inlet end of the adjacent next-stage filter element unit.
The filter element unit far away from one end of the raw water inlet is defined as a water producing and water outlet end of the end-stopping filter element unit, which is connected with one end of the flow dividing and adjusting valve 400, and the other end of the flow dividing and adjusting valve 400 is connected with the water inlet end of at least one stage of filter element unit.
The filter element unit of the present embodiment is provided with 2 stages of filter element units, as shown in fig. 4, the 2 stages of filter element units are connected in series in sequence, and the 2 stages of filter element units define a first filter element unit 100 and a second filter element unit 200 respectively, that is, the second filter element unit 200 is a terminating end filter element. The water outlet end of the first filter element unit 100 is connected with the water inlet end of the second filter element unit 200, the water outlet end of the second filter element unit 200 is connected with one end of the flow dividing and adjusting valve 400, and the other end of the flow dividing and adjusting valve 400 is only connected with the water inlet end of the first filter element unit 100.
The waterway relationship of this embodiment is as follows:
raw water enters the first filter element unit 100 and is treated by the first filter element unit 100 to obtain pure water A and concentrated water A, the pure water A enters the second filter element unit 200 and is treated by the second filter element unit 200 to obtain pure water B1Pure water B2And concentrated water B, wherein the concentrated water A and the concentrated water B are discharged as system concentrated water, and pure water B1Pure water B for discharging system pure water2Through diverter valve 400 and into the water inlet side of first cartridge unit 100.
It should be noted that the utility model discloses a filter core unit can be provided with 2 grades or, also can be provided with 3 grades, 4 grades, 6 grades, 10 grades, 30 grades etc. and the other end of reposition of redundant personnel governing valve 400 can be connected by the end of intaking of one-level filter core unit, also can be connected with the end of intaking of multistage or whole filter core units, and specific implementation mode is decided according to actual conditions.
Compared with the embodiment 1, the embodiment only replaces the failed filter element unit when the first-stage filter element unit fails, and the non-failed filter element unit does not need to be replaced, so that the replacement cost is greatly reduced. And the multistage filter core unit of this embodiment just discharges the speed governing water purification system through producing water series connection, product water through multi-stage filtration to improve the quality of water of producing greatly.
Example 5.
A speed governing water purification system based on produce hydrologic cycle, other characteristics are the same as embodiment 3, still have following characteristic: at least one stage of the filter element unit is provided with a plurality of sub-filter elements 110.
The utility model discloses a plurality of sub-filter core 110 are series connection in proper order, also can be a plurality of sub-filter core 110 parallel connection, more can be a plurality of sub-filter core 110 series-parallel connection.
It should be noted that, the multiple sub-filter elements 110 of the present invention are sequentially connected in series, that is, the water producing end of the sub-filter element 110 is connected to the water inlet end of the adjacent sub-filter element 110, or the concentrated water outlet end of the sub-filter element 110 is connected to the water inlet end of the adjacent sub-filter element 110, in short, the raw water sequentially passes through the multiple sub-filter elements 110 one by one in the filter element unit, and finally the concentrated water and the produced water are obtained and discharged, as shown in fig. 5.
The parallel connection of the sub-filter elements 110 of the present invention means that the raw water is divided into multiple water flows and enters the sub-filter elements 110 correspondingly, and the raw water is treated by the sub-filter elements 110 to obtain concentrated water and produced water, as shown in fig. 6.
The series-parallel connection of the sub-filter elements 110 of the present invention includes series connection and parallel connection, and one of the sub-filter elements 110 is connected in parallel, and then the other sub-filter element 110 is connected in series, as shown in fig. 7.
The first-stage filter element unit of the present embodiment is provided with 2 sub-filter elements 110, and the 2 sub-filter elements 110 are connected in parallel.
It should be noted that, the sub-filter element 110 of the present invention may be provided with 3, or may be provided with 2, 4, 6, 10, 30, etc., and the specific implementation manner is determined according to the actual situation. Meanwhile, a plurality of sub-filter elements 110 may be provided in one stage or one filter element unit 100, or a plurality of sub-filter elements 110 may be provided in a plurality of stages or a plurality of filter element units 100.
Compared with embodiment 3, this embodiment replaces only the failed filter element unit when one of the sub-filter elements 110 fails, without replacing the non-failed sub-filter elements 110, thereby greatly reducing the replacement cost.
Example 6.
A speed governing water purification system based on produce hydrologic cycle, other characteristics are the same as embodiment 1, still have following characteristic: the filter element unit of the utility model can be a reverse osmosis filter element unit, a nanofiltration filter element unit or an ultrafiltration filter element unit. The filter element unit in this embodiment is specifically a reverse osmosis filter element unit.
The utility model discloses a filter core unit is provided with the diaphragm, and the thickness of diaphragm is less than or equal to 50 mu m. The base support layer of the membrane is a porous material layer formed in a non-phase inversion manner. The material of the porous material layer is polypropylene or polyethylene.
The thickness of the membrane of this example is specifically 45 μm. The thickness of the membrane sheet of the present invention may be 50 μm or less, such as 45 μm in this embodiment, or 40 μm, 50 μm, 30 μm, 20 μm, 10 μm, 5 μm, etc., and the specific embodiment is determined according to the actual situation.
The substrate supporting layer of the membrane of the utility model is a porous material layer formed in a non-phase inversion mode. Wherein the material of the porous material layer is polypropylene or polyethylene. The material of the porous material layer in this embodiment is polypropylene.
The material of the porous material layer of the utility model can also be polyethylene. For a base support layer of polyethylene or polypropylene, which is a material of the porous material layer, the thickness of the membrane can be reduced, so that a thin membrane sheet with a thickness of 50um or less can be made, and the thickness of a conventional membrane is generally 150 um. Because the membrane is thin, the filter element with the same volume can roll more membranes, and because the membranes are more, the pollution resistance and the blockage resistance are good, and the cost of the porous material is low, the porous material can be replaced frequently.
Example 7.
A speed-regulating water purification system based on water production circulation is shown in figure 8, and other characteristics are the same as those of embodiment 1, except that: the produced water shunting assembly is provided with a shunting switch 600, and two ends of the shunting switch 600 are respectively connected with a produced water outlet end of the filtering device and a water inlet end of the filtering device.
The utility model discloses still be provided with the product water governing valve 700 that is used for adjusting product water flow, product water governing valve 700 assembles in filter equipment's product water outlet end, and shunt switch 600 is located product water governing valve 700 and filter equipment's the end of intaking between.
The produced water produced by the filtering device is divided into two paths, wherein one path of the produced water is regulated in flow by a user through the opening of the produced water control regulating valve 700, and the other path of the produced water is circulated to the water inlet end of the filtering device through the shunt switch 600.
This embodiment is adjusted through producing water governing valve 700 and is needed to use product discharge, and the end of intaking that circulates to filter equipment with unnecessary product water through shunt switch 600 avoids causing the pressure of holding back, compares with embodiment 1, and the user can the direct control produce the play water flow of water to it is more convenient.
Example 8.
A water purifier provided with the speed-regulating water purification system based on water production circulation of any one of embodiments 1 to 7.
This purifier can be shunted producing water through producing water reposition of redundant personnel subassembly when producing the water velocity of flow and being higher than the demand velocity of flow to reduce the velocity of flow, can not cause the pressure building to water purification system simultaneously. The utility model discloses water circulation backward flow to the end of intaking is produced to the part after the reposition of redundant personnel to can not cause the water waste, produce the hydrologic cycle moreover and hold to intaking, still wash filter equipment's effect through producing.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a speed governing water purification system based on produce hydrologic cycle which characterized in that: the device is provided with a filtering device and a produced water shunting assembly for shunting produced water of the filtering device, and a produced water outlet end of the filtering device and a water inlet end of the filtering device are both connected with the produced water shunting assembly;
the water production flow dividing assembly is provided with a flow dividing regulating valve for regulating flow dividing flow, and two ends of the flow dividing regulating valve are respectively connected with a water production outlet end of the filtering device and a water inlet end of the filtering device.
2. The speed-regulating water purification system based on water production cycle as claimed in claim 1, wherein: the water outlet switch is arranged on the water outlet end of the produced water of the filtering device, and the shunt regulating valve is positioned between the water outlet switch and the filtering device.
3. The speed-regulating water purification system based on water production cycle as claimed in claim 1, wherein: the produced water shunting assembly is provided with a shunting switch, and two ends of the shunting switch are respectively connected with a produced water outlet end of the filtering device and a water inlet end of the filtering device;
the water production regulating valve is assembled at the water production outlet end of the filtering device, and the shunt switch is positioned between the water production regulating valve and the water inlet end of the filtering device.
4. The speed-regulating water purification system based on water production cycle as claimed in claim 1, wherein: the water production flow distribution assembly is also provided with a pressure sensor for detecting the water production pressure, and the pressure sensor is assembled at the water production outlet end of the filtering device.
5. The speed-regulating water purification system based on water production cycle as claimed in claim 1, wherein: the filter device is provided with at least one filter element unit.
6. The speed-regulating water purification system based on water production cycle as claimed in claim 5, wherein: the filtering device is provided with multistage filter element units which are sequentially connected in series;
the concentrated water outlet end of each stage of filter element unit is connected with the water inlet end of the adjacent next stage of filter element unit;
the water outlet end of each stage of filter element unit is connected with one end of the shunt regulating valve, and the other end of the shunt regulating valve is connected with the water inlet end of at least one stage of filter element unit.
7. The speed-regulating water purification system based on water production cycle as claimed in claim 5, wherein: the filtering device is provided with multistage filter element units which are sequentially connected in series;
the water producing and feeding end of the filter element unit is connected with the water feeding end of the adjacent next-stage filter element unit;
the filter element unit far away from one end of raw water entering is defined as a water producing and water outlet end of the filter element unit at the termination end of the stop end filter element unit and is connected with one end of the shunt regulating valve, and the other end of the shunt regulating valve is connected with the water inlet end of the at least one stage of filter element unit.
8. The speed-regulating water purification system based on water production cycle as claimed in claim 5, wherein: the filter element unit is a reverse osmosis filter element unit, a nanofiltration filter element unit or an ultrafiltration filter element unit;
the filter element unit is provided with a membrane;
the thickness of the membrane is less than or equal to 50 μm;
the substrate supporting layer of the membrane is a porous material layer formed in a non-phase-inversion mode;
the material of the porous material layer is polypropylene or polyethylene.
9. A water purifier, which is characterized in that: an adjustable speed water purification system based on water production circulation as claimed in any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2020217904659 | 2020-08-24 | ||
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Effective date of registration: 20211104 Address after: 528300 No. 2, North Xinxi 4th Road, Xiashi village, Lunjiao street, Shunde District, Foshan City, Guangdong Province (No. 1-6, north of the first floor of office building, block a, Shengda Industrial Park) Patentee after: Guangdong Chestnut Technology Co.,Ltd. Address before: 528300 no.1-7, north of the first floor of building a, No.2 north of Xinxi Fourth Road, Xiashi village committee, Lunjiao sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: Yunmi Internet technology (Guangdong) Co.,Ltd. |