CN209445593U - A kind of air energy water heater based on solar energy improving performance - Google Patents
A kind of air energy water heater based on solar energy improving performance Download PDFInfo
- Publication number
- CN209445593U CN209445593U CN201822205623.9U CN201822205623U CN209445593U CN 209445593 U CN209445593 U CN 209445593U CN 201822205623 U CN201822205623 U CN 201822205623U CN 209445593 U CN209445593 U CN 209445593U
- Authority
- CN
- China
- Prior art keywords
- air
- solar energy
- water tank
- mainframe box
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000001914 filtration Methods 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model discloses a kind of air energy water heaters based on solar energy improving performance, including insulated water tank and air-source mainframe box, the insulated water tank is located at the left side of air-source mainframe box, the inner cavity of the insulated water tank is provided with helix tube, one end of the helix tube is communicated with the first long tube, and the other end of the helix tube is communicated with the second long tube.The heat that the utility model can absorb solar energy provides heat to the evaporator of air-source host box cavity, avoid the occurrence of that evaporator surface generates droplet frosting, evaporator can be protected, improve the heat exchange property of evaporator, improve the service performance of air energy water heater, it solves blade surface during long-play of the evaporator in air energy water heater and is easy to produce droplet, in north cold area, droplet can form rime ice, to which the heat exchange property of evaporator can be seriously affected, the problem of reducing air energy water heater service performance.
Description
Technical field
The utility model relates to air energy water heater technical field, specially a kind of air based on solar energy improving performance
It can water heater.
Background technique
Air energy water heater, also referred to as " air source hot pump water heater ", " air energy water heater " is the low-temperature heat quantity in air
It is absorbed into and, gasify by fluorine medium, then heated up by being pressurized after compressor compresses, then water supply is converted by heat exchanger and is added
Heat, compressed high temperature heat heat water temperature with this, and the evaporator in air energy water heater is during long-play
Blade surface is easy to produce droplet, and in north cold area, droplet can form rime ice, so that evaporator can be seriously affected
Heat exchange property reduces the service performance of air energy water heater.
Utility model content
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing to this reality
Be described in detail with novel, the description of this part be only it is exemplary and explanatory, should not be to the protection scope of the utility model
There is any restriction effect.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
To achieve the above object, the utility model provides the following technical solutions: a kind of sky based on solar energy improving performance
Gas energy water heater, including insulated water tank and air-source mainframe box, the insulated water tank is located at the left side of air-source mainframe box, described
The inner cavity of insulated water tank is provided with helix tube, and one end of the helix tube is communicated with the first long tube, the other end of the helix tube
It is communicated with the second long tube, first long tube and the second long tube sequentially pass through insulated water tank and air far from one end of helix tube
Source host case is simultaneously communicated with evaporator, is provided with solar energy hot blast collecting plate on the left of the air-source mainframe box, and described first
The surface of long tube is provided with compressor, and the surface of second long tube is respectively arranged with fluid reservoir, device for drying and filtering and expansion valve,
The fluid reservoir is located at the left side of device for drying and filtering, and the device for drying and filtering is located at the left side of expansion valve.
Preferably, through-hole is offered on the left of the air-source mainframe box, the quantity of the through-hole is several, the sky
Blower is fixedly connected on the left of gas source host box cavity.
Preferably, the top and bottom on the left of the air-source mainframe box offer threaded hole, the solar energy hot blast
Top and bottom on the left of collecting plate are provided through bolt, and the right end of the bolt through solar energy hot blast collecting plate and prolongs
The inner cavity of threaded hole is extended to, the bolt is threadedly coupled with threaded hole.
Preferably, it is communicated with discharge pipe on the right side of the air-source mainframe box, the right end of the discharge pipe is arranged with filtering
Shroud, the discharge pipe are threadedly coupled with air-source mainframe box.
Preferably, the bottom on the left of the insulated water tank is communicated with hot water outlet pipe, and the surface of the hot water outlet pipe is set
It is equipped with the first valve, the top on the left of the insulated water tank is communicated with cold water inlet, the surface setting of the cold water inlet
There is the second valve, the front of the insulated water tank is provided with observation window, and the front of the observation window is provided with graduation mark.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through insulated water tank, air-source mainframe box, helix tube, the first long tube, the second long tube, evaporation
Device, solar energy hot blast collecting plate, compressor, fluid reservoir, device for drying and filtering, expansion valve, through-hole and blower are cooperated, and can be inhaled
The heat for receiving solar energy provides heat to the evaporator of air-source host box cavity, and evaporator surface is avoided to generate droplet frosting
The occurrence of, evaporator can be protected, improve the heat exchange property of evaporator, improve making for air energy water heater
With performance, solves blade surface during long-play of the evaporator in air energy water heater and be easy to produce small water
Pearl, in north cold area, droplet can form rime ice, so that the heat exchange property of evaporator can be seriously affected, reduce air energy
The problem of water heater service performance.
2, the utility model is cooperated by through-hole and blower, and the heat convenient for collecting solar energy hot blast collecting plate is inhaled
Into the inner cavity of air-source mainframe box, hot wind is provided to evaporator, it, can be to solar energy hot blast collection by setting threaded hole and bolt
Installation is fixed in hot plate, while being convenient for the disassembly of solar energy hot blast collecting plate, by setting discharge pipe and filtering shroud, is convenient for
The ventilation of air-source host box cavity, convenient for discharging the hot water of insulated water tank inner cavity, passes through setting by the way that hot water outlet pipe is arranged
Cold water inlet, convenient for injecting cold water to insulated water tank.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the partial structurtes enlarged diagram of A in the utility model Fig. 1；
Fig. 3 is the utility model structure schematic elevation view.
In figure: 1 insulated water tank, 2 air-source mainframe boxes, 3 helix tubes, 4 first long tubes, 5 second long tubes, 6 evaporators, 7 are too
It is positive can hot wind collecting plate, 8 compressors, 9 fluid reservoirs, 10 devices for drying and filtering, 11 expansion valves, 12 through-holes, 13 blowers, 14 threaded holes,
15 bolts, 16 discharge pipes, 17 filtering shrouds, 18 hot water outlet pipes, 19 first valves, 20 cold water inlets, 21 second valves, 22
Observation window.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of air energy water heater based on solar energy improving performance, including insulated water tank 1 and air
Source host case 2, insulated water tank 1 are located at the left side of air-source mainframe box 2, and the inner cavity of insulated water tank 1 is provided with helix tube 3, spiral
One end of pipe 3 is communicated with the first long tube 4, and the other end of helix tube 3 is communicated with the second long tube 5, the first long tube 4 and the second long tube 5
One end far from helix tube 3 sequentially passes through insulated water tank 1 and air-source mainframe box 2 and is communicated with evaporator 6, air source host
The left side of case 2 is provided with solar energy hot blast collecting plate 7, and the surface of the first long tube 4 is provided with compressor 8, the surface of the second long tube 5
It is respectively arranged with fluid reservoir 9, device for drying and filtering 10 and expansion valve 11, fluid reservoir 9 is located at the left side of device for drying and filtering 10, dried
Filter 10 is located at the left side of expansion valve 11, and the left side of air-source mainframe box 2 offers through-hole 12, and the quantity of through-hole 12 is several
It is a, blower 13 is fixedly connected on the left of 2 inner cavity of air-source mainframe box, the top and bottom in 2 left side of air-source mainframe box are opened
Equipped with threaded hole 14, the top and bottom in 7 left side of solar energy hot blast collecting plate are provided through bolt 15, the right end of bolt 15
Through solar energy hot blast collecting plate 7 and the inner cavity of threaded hole 14 is extended to, bolt 15 is threadedly coupled with threaded hole 14, air-source master
The right side of cabinet 2 is communicated with discharge pipe 16, and the right end of discharge pipe 16 is arranged with filtering shroud 17, discharge pipe 16 and air source host
Case 2 is threadedly coupled, and the bottom in the left side of insulated water tank 1 is communicated with hot water outlet pipe 18, and the surface of hot water outlet pipe 18 is provided with the
The top of one valve 19,1 left side of insulated water tank is communicated with cold water inlet 20, and the surface of cold water inlet 20 is provided with the second valve
Door 21, the front of insulated water tank 1 is provided with observation window 22, and the front of observation window 22 is provided with graduation mark, passes through through-hole 12 and wind
Machine 13 is cooperated, convenient for the inner cavity for the heat inspiration air-source mainframe box 2 for collecting solar energy hot blast collecting plate 7, to evaporation
Device 6 provides hot wind, by setting threaded hole 14 and bolt 15, installation can be fixed to solar energy hot blast collecting plate 7, simultaneously
Convenient for the disassembly of solar energy hot blast collecting plate 7, by setting discharge pipe 16 and filtering shroud 17, convenient in air-source mainframe box 2
The ventilation of chamber, by the way that hot water outlet pipe 18 is arranged, convenient for discharging the hot water of 1 inner cavity of insulated water tank, by the way that cold water inlet is arranged
20, convenient for injecting cold water to insulated water tank 1, pass through insulated water tank 1, air-source mainframe box 2, helix tube 3, the first long tube 4, second
Long tube 5, evaporator 6, solar energy hot blast collecting plate 7, compressor 8, fluid reservoir 9, device for drying and filtering 10, expansion valve 11, through-hole 12
Cooperated with blower 13, the heat that can absorb solar energy provides heat to the evaporator 6 of 2 inner cavity of air-source mainframe box, keeps away
Exempt from the occurrence of 6 surface of evaporator generates droplet frosting, evaporator 6 can be protected, improve changing for evaporator 6
Hot property improves the service performance of air energy water heater, solves the evaporator 6 in air energy water heater in long-play
During blade surface be easy to produce droplet, in north cold area, droplet can form rime ice, to can seriously affect
The heat exchange property of evaporator 6, the problem of reducing air energy water heater service performance.
In use, opening the second valve 21, cold water is injected to the inner cavity of insulated water tank 1 by cold water inlet 20, is passed through
The operation of compressor 8 carries out compression discharge high-temperature high-pressure refrigerant gas, the first long tube to the inner cavity refrigerant gas of the first long tube 4
The refrigerant gas of 4 inner cavities successively passes through helix tube 3, fluid reservoir 9, device for drying and filtering 10, expansion valve 11 and evaporator 6, high temperature
When higher pressure refrigerant gas passes through helix tube 3, helix tube 3 heats the water of 1 inner cavity of insulated water tank, and device for drying and filtering 10 rises
To the effect of contaminant filter, expansion valve 11 makes the liquid refrigerant of medium temperature high pressure pass through its wet steaming of the throttling as low-temp low-pressure
Vapour, the condensed fluid of low temperature carry out heat exchange with extraneous air by evaporator 6, and gasification heat absorption achievees the effect that refrigeration,
The heat that sunlight is absorbed by solar energy hot blast collecting plate 7, is run by blower 13, the heat of absorption is blown to evaporator 6
The surface of blade avoids the occurrence of that 6 surface of evaporator generates droplet frosting.
In summary: being somebody's turn to do the air energy water heater based on solar energy improving performance, pass through insulated water tank 1, air source host
Case 2, the first long tube 4, the second long tube 5, evaporator 6, solar energy hot blast collecting plate 7, compressor 8, fluid reservoir 9, is done helix tube 3
Dry filter 10, expansion valve 11, through-hole 12 and blower 13 are cooperated, and solve the evaporator 6 in air energy water heater in length
Blade surface is easy to produce droplet during time runs, and in north cold area, droplet can form rime ice, thus meeting
The heat exchange property for seriously affecting evaporator 6, the problem of reducing air energy water heater service performance.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Illustrate the method and its core concept for being merely used to help understand the utility model.The above is only the preferred implementations of the utility model
Mode, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the art
Those of ordinary skill for, without departing from the principle of this utility model, can also make it is several improve, retouching or become
Change, above-mentioned technical characteristic can also be combined in the right way；These improve retouching, variation or combination, or without changing
Other occasions are directly applied to by the conception and technical scheme of utility model, are regarded as the protection model of the utility model
It encloses.
Claims (5)
1. a kind of air energy water heater based on solar energy improving performance, including insulated water tank (1) and air-source mainframe box (2),
It is characterized by: the insulated water tank (1) is located at the left side of air-source mainframe box (2), the inner cavity setting of the insulated water tank (1)
Have helix tube (3), one end of the helix tube (3) is communicated with the first long tube (4), and the other end of the helix tube (3) is communicated with
Second long tube (5), first long tube (4) and the second long tube (5) sequentially pass through insulated water tank far from the one end of helix tube (3)
(1) it and air-source mainframe box (2) and is communicated with evaporator (6), is provided with solar heat on the left of the air-source mainframe box (2)
The surface of wind collecting plate (7), first long tube (4) is provided with compressor (8), and the surface of second long tube (5) is set respectively
It is equipped with fluid reservoir (9), device for drying and filtering (10) and expansion valve (11), the fluid reservoir (9) is located at a left side for device for drying and filtering (10)
Side, the device for drying and filtering (10) are located at the left side of expansion valve (11).
2. a kind of air energy water heater based on solar energy improving performance according to claim 1, it is characterised in that: described
It is offered on the left of air-source mainframe box (2) through-hole (12), the quantity of the through-hole (12) is several, the air source host
Blower (13) are fixedly connected on the left of case (2) inner cavity.
3. a kind of air energy water heater based on solar energy improving performance according to claim 1, it is characterised in that: described
Top and bottom on the left of air-source mainframe box (2) offer threaded hole (14), on the left of the solar energy hot blast collecting plate (7)
Top and bottom be provided through bolt (15), the right end of the bolt (15) through solar energy hot blast collecting plate (7) simultaneously
The inner cavity of threaded hole (14) is extended to, the bolt (15) is threadedly coupled with threaded hole (14).
4. a kind of air energy water heater based on solar energy improving performance according to claim 1, it is characterised in that: described
It being communicated on the right side of air-source mainframe box (2) discharge pipe (16), the right end of the discharge pipe (16) is arranged with filtering shroud (17),
The discharge pipe (16) is threadedly coupled with air-source mainframe box (2).
5. a kind of air energy water heater based on solar energy improving performance according to claim 1, it is characterised in that: described
Bottom on the left of insulated water tank (1) is communicated with hot water outlet pipe (18), and the surface of the hot water outlet pipe (18) is provided with first
Valve (19), the top on the left of the insulated water tank (1) are communicated with cold water inlet (20), the table of the cold water inlet (20)
Face is provided with the second valve (21), and the front of the insulated water tank (1) is provided with observation window (22), and the observation window (22) is just
Face is provided with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205623.9U CN209445593U (en) | 2018-12-26 | 2018-12-26 | A kind of air energy water heater based on solar energy improving performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205623.9U CN209445593U (en) | 2018-12-26 | 2018-12-26 | A kind of air energy water heater based on solar energy improving performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209445593U true CN209445593U (en) | 2019-09-27 |
Family
ID=68015652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822205623.9U Active CN209445593U (en) | 2018-12-26 | 2018-12-26 | A kind of air energy water heater based on solar energy improving performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209445593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207374A (en) * | 2020-03-17 | 2020-05-29 | 浙江宝威电气有限公司 | Steam forming method for adjusting inclination angle through buoyancy |
| CN111256096A (en) * | 2020-03-17 | 2020-06-09 | 浙江宝威电气有限公司 | Hot air heating type steam production method |
-
2018
- 2018-12-26 CN CN201822205623.9U patent/CN209445593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207374A (en) * | 2020-03-17 | 2020-05-29 | 浙江宝威电气有限公司 | Steam forming method for adjusting inclination angle through buoyancy |
| CN111256096A (en) * | 2020-03-17 | 2020-06-09 | 浙江宝威电气有限公司 | Hot air heating type steam production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206420149U (en) | A kind of energy saving and environment friendly water heater | |
| CN201448954U (en) | dehumidifier | |
| CN103983013B (en) | Novel frost-free air source hot pump water heater | |
| CN209445593U (en) | A kind of air energy water heater based on solar energy improving performance | |
| CN212414684U (en) | Energy-saving tobacco drying system | |
| CN202885340U (en) | Energy supply device of high-efficiency energy tower | |
| CN201297829Y (en) | Energy-saving drying system | |
| CN204830556U (en) | Solar energy sprays overlapping cooling cycle system | |
| CN108775730A (en) | Evaporate cold low form total heat recovery Air-Cooled Heat Pump Unit | |
| CN201364001Y (en) | Composite source heat pump drier | |
| CN208000039U (en) | A kind of solar heat-preservation is in direct contact evaporation high temperature drying system | |
| CN108592559A (en) | A kind of drying unit based on air heat energy cycle | |
| CN203572022U (en) | Air-energy heat pump | |
| CN209295436U (en) | A kind of air source hot pump water heater with humidification function | |
| CN106969541A (en) | A kind of pair of thermal source dryer | |
| CN206257830U (en) | A kind of water resource heat pump | |
| CN206890922U (en) | Air energy thermal pumping system | |
| CN209445646U (en) | A kind of refrigeration system of electric defrosting | |
| CN208567380U (en) | A kind of drying unit based on air heat energy circulation | |
| CN210463578U (en) | Multifunctional energy-saving heat pump | |
| CN204555149U (en) | A kind of Domestic wind-energy tower heat pump energy-conserving central air conditioner system | |
| CN203980701U (en) | A kind of superposing type air-source heating plant | |
| CN208901670U (en) | Evaporate cold low form total heat recovery Air-Cooled Heat Pump Unit | |
| CN208566195U (en) | Open type heat pump hot water apparatus based on air circulation | |
| CN112484343A (en) | Air source screw type heat pump unit with defrosting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An air energy water heater based on solar energy to enhance performance Effective date of registration: 20220904 Granted publication date: 20190927 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG YANGFAN ENERGY SAVING DEVELOPMENT Co.,Ltd. Registration number: Y2022980014459 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190927 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG YANGFAN ENERGY SAVING DEVELOPMENT Co.,Ltd. Registration number: Y2022980014459 |