CN112268314B - High-efficient heat transfer air conditioning unit - Google Patents
High-efficient heat transfer air conditioning unit Download PDFInfo
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- CN112268314B CN112268314B CN202011130313.0A CN202011130313A CN112268314B CN 112268314 B CN112268314 B CN 112268314B CN 202011130313 A CN202011130313 A CN 202011130313A CN 112268314 B CN112268314 B CN 112268314B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a high-efficiency heat exchange air conditioning unit which comprises a shell, a compressor and a rear cover plate, wherein the compressor and the rear cover plate are arranged at the bottom in the shell, an inner circulation refrigerating device is arranged on the inner wall of the front side of the shell, a separation cover is sleeved on the outer side of the inner circulation refrigerating device, an outer circulation heat dissipation device is arranged on the outer surface of the separation cover, a first inlet pipeline is connected between the compressor and the outer circulation heat dissipation device, a first outlet pipeline and a second inlet pipeline are connected between the outer circulation heat dissipation device and the inner circulation refrigerating device, and a second outlet pipeline is connected between the inner circulation refrigerating device and the compressor. The multi-layer parallel flow evaporator and the double-layer cooling structure condenser are arranged to work in a matched mode, the low-temperature refrigerant is secondarily utilized by adjusting the refrigerant flow path line, the ambient temperature around the condenser is effectively reduced, and the liquid refrigerant is prevented from entering the compressor by mistake; the multilayer parallel flow evaporator and the double-layer cooling structure condenser are compact in structure, and the cost of the whole machine is reduced.
Description
Technical Field
The invention relates to the technical field of air condensation exchange equipment, in particular to a high-efficiency heat exchange air conditioning unit.
Background
Along with the development of times and science and technology, use the rack air conditioner to go to equipment, the more and more extensive of also application of cooling is carried out to indoor etc. only dispel the heat through traditional fan and has not reached the user demand, current rack air conditioner mainly is through the compressor with the refrigerant compression, the condensation is exothermic, the temperature that the heat absorption of evaporating reduces the environment again, install the rack air conditioner of equipment inside such as switch board, need be under inclosed condition, discharge the high temperature heat in the cabinet to the cabinet outside, avoid the inside high temperature of switch board, make electronic components can not steady operation, lead to components and parts directly to scrap or even take place the short circuit to catch fire scheduling problem more easily when serious, so need the rack air conditioner to provide a good operational environment for it.
From the refrigeration principle of the cabinet air conditioner, the hotter the environment at the air suction position of the air conditioner is, the higher the working pressure is, the more the energy consumption is, especially in the high-temperature environment in summer, the higher the working frequency of the compressor is, the more the consumption is, the more the power consumption is, the greater the burden is caused to the power system, the continuous and safe operation of the cabinet air conditioner is not facilitated, and the working environment of the condenser needs to be improved.
Disclosure of Invention
The invention aims to provide an efficient heat exchange air conditioning unit to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a high-efficient heat transfer air conditioning unit, includes the casing, installs compressor and the back shroud of bottom in the casing, its characterized in that: an inner circulation refrigerating device is installed on the inner wall of the front side of the shell, a separation cover is sleeved on the outer side of the inner circulation refrigerating device, an outer circulation heat dissipation device is installed on the outer surface of the separation cover, a first inlet pipeline is connected between the compressor and the outer circulation heat dissipation device, a first outlet pipeline and a second inlet pipeline are connected between the outer circulation heat dissipation device and the inner circulation refrigerating device, and a second outlet pipeline is connected between the inner circulation refrigerating device and the compressor;
the internal circulation refrigeration device comprises a crossflow fan, a multilayer parallel flow evaporator, a first air inlet and a first air outlet, wherein the crossflow fan is arranged at the upper end of the inner wall of the front side of the shell;
the outer circulation heat dissipation device comprises a vortex fan, a double-layer cooling structure condenser, a second air inlet and a second air outlet, wherein the vortex fan is installed in the middle of the outer surface of the separation cover, the double-layer cooling structure condenser is installed on the upper side of the outer surface of the separation cover, the second air inlet is installed in the middle of the rear cover plate, and the second air outlet is installed at the top of the rear cover plate.
Furthermore, one end of the first inlet pipeline is connected with the upper end of one side of the upper layer in the double-layer cooling structure condenser, one end of the first outlet pipeline is connected with the lower end of the other side of the upper layer in the double-layer cooling structure condenser, the first outlet pipeline is sequentially provided with a first filter tube and a capillary tube from top to bottom, the outlet end of the capillary tube is connected with the lower end of one side of the multilayer parallel flow evaporator, one end of the second inlet pipe is connected to the upper end of one side of the multilayer parallel flow evaporator, the other end of the second inlet pipeline is connected with the upper end of one side of the lower layer in the double-layer cooling structure condenser, the lower end of the second inlet pipeline is provided with a refrigerant liquid injection port, one end of the second outlet pipeline is connected to the lower end of the other side of the middle lower layer of the double-layer cooling structure condenser, and the lower side of the second outlet pipeline is provided with a second filter pipe.
Further, a cooling fan is installed at a side of the compressor.
Further, a controller is installed below the vortex fan.
Furthermore, the multilayer parallel flow evaporator and the double-layer cooling structure condenser are formed by welding a plurality of heat exchange units.
Furthermore, the louver of the first air outlet is inclined upwards by 15-45 degrees.
Further, the first inlet pipeline, the first outlet pipeline, the second inlet pipeline and the second outlet pipeline are all made of aluminum pipes.
Furthermore, a sealing plug is arranged on the refrigerant liquid injection port.
Compared with the prior art, the invention has the following beneficial effects:
the multi-layer parallel flow evaporator and the double-layer cooling structure condenser are arranged to work in a matched mode, the low-temperature refrigerant is secondarily utilized by adjusting the refrigerant flow path line, the ambient temperature around the condenser is effectively reduced, the phenomenon that the liquid refrigerant enters the compressor by mistake, the service life of the compressor is influenced, and the energy consumption of an air conditioner is reduced; the multi-layer parallel flow evaporator and the double-layer cooling structure condenser are compact in structure, strong in combination matching performance and applicability and capable of reducing the cost of the whole machine.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a left side perspective view of the present invention as a whole;
FIG. 2 is a right side perspective view of the present invention as a whole;
FIG. 3 is a left side schematic view of the present invention as a whole;
FIG. 4 is a right side schematic view of the invention as a whole;
FIG. 5 is a left side perspective view of the unitary belt divider cover of the present invention;
FIG. 6 is a front view of the integral belt back cover of the present invention;
FIG. 7 is a top view of the integral belt back cover of the present invention;
in the figure: 1. a housing; 2. a compressor; 3. a rear cover plate; 4. a separation cover; 5. a first inlet duct; 6. a first outlet conduit; 7. a second inlet conduit; 8. a second outlet conduit; 9. a cross flow fan; 10. a multi-layer parallel flow evaporator; 11. a first air inlet; 12. a first air outlet; 13. a vortex fan; 14. a double-layer cooling structure condenser; 15. a second air inlet; 16. a second air outlet; 17. a first filtering pipe; 18. a capillary tube; 19. a refrigerant liquid injection port; 20. a second filtering pipe; 21. a cooling fan; 22. a controller; 23. and (4) sealing the plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The efficient heat exchange air conditioning unit comprises a shell 1, a compressor 2 and a rear cover plate 3, wherein the compressor 2 and the rear cover plate 3 are installed at the bottom in the shell 1, an inner circulation refrigerating device is installed on the inner wall of the front side of the shell 1, a separation cover 4 is sleeved on the outer side of the inner circulation refrigerating device, an outer circulation heat dissipation device is installed on the outer surface of the separation cover 4, a first inlet pipeline 5 is connected between the compressor 2 and the outer circulation heat dissipation device, a first outlet pipeline 6 and a second inlet pipeline 7 are connected between the outer circulation heat dissipation device and the inner circulation refrigerating device, and a second outlet pipeline 8 is connected between the inner circulation refrigerating device and the compressor 2;
the internal circulation refrigerating device comprises a cross flow fan 9, a multilayer parallel flow evaporator 10, a first air inlet 11 and a first air outlet 12, wherein the cross flow fan 9 is arranged at the upper end of the inner wall of the front side of the shell 1, the first air inlet 11 is arranged at the position, opposite to the cross flow fan 9, of the upper end of the front side of the shell 1, the multilayer parallel flow evaporator 10 is arranged in the middle of the inner wall of the front side of the shell 1, and the first air outlet 12 is arranged at the lower end of the front side of the shell;
the outer circulation heat dissipation device comprises a vortex fan 13, a double-layer cooling structure condenser 14, a second air inlet 15 and a second air outlet 16, wherein the vortex fan 13 is installed in the middle of the outer surface of the separation cover 4, the double-layer cooling structure condenser 14 is installed on the upper side of the outer surface of the separation cover 4, the second air inlet 15 is installed in the middle of the rear cover plate 3, and the second air outlet 16 is installed at the top of the rear cover plate 3.
In order to improve the circulation path and the circulation mode of the refrigerant, the refrigerant utilization rate can be better applied, and the energy consumption can be reduced, further, one end of a first inlet pipeline 5 is connected with the upper end of one side of the upper layer in the double-layer cooling structure condenser 14, one end of a first outlet pipeline 6 is connected with the lower end of the other side of the upper layer in the double-layer cooling structure condenser 14, a first filter pipe 17 and a capillary tube 18 are sequentially arranged on the first outlet pipeline 6 from top to bottom, the outlet end of the capillary tube 18 is connected with the lower end of one side of the multilayer parallel flow evaporator 10, one end of a second inlet pipeline 7 is connected with the upper end of one side of the multilayer parallel flow evaporator 10, the other end of the second inlet pipeline 7 is connected with the upper end of one side of the lower layer in the double-layer cooling structure condenser 14, the lower end of the second inlet pipeline 7 is provided with a refrigerant injection port 19, one end of a second outlet pipeline 8 is connected with the lower end of the other side of the lower layer in the double-layer cooling structure condenser 14, a second filtering pipe 20 is installed at the lower side of the second outlet duct 8.
In order to avoid the compressor 2 itself from having too high temperature, further, a cooling fan 21 is installed at a side of the compressor 2.
Further, a controller 22 is installed below the vortex fan 13.
In order to improve the flexible applicability of the multi-layer parallel flow evaporator 10 and the double-layer cooling structure condenser 14, the structure is more compact, the multi-layer parallel flow evaporator 10 and the double-layer cooling structure condenser 14 can be combined and matched according to different use specifications, the condensation effect is improved to the maximum extent, and further, the multi-layer parallel flow evaporator 10 and the double-layer cooling structure condenser 14 are formed by welding a plurality of heat exchange units.
In order to better conduct the generated cold air, the louvers of the first air outlet 12 are further inclined upward by 15 to 45 degrees.
In order to reduce the overall flow resistance and improve the heat exchange performance, the cooling efficiency is utilized to the maximum, and further, the first inlet pipeline 5, the first outlet pipeline 6, the second inlet pipeline 7 and the second outlet pipeline 8 are all made of aluminum pipes.
In order to ensure good sealing performance when the refrigerant liquid is not required to be injected, a sealing plug 23 is further mounted on the refrigerant liquid injection port.
The invention provides a high-efficiency heat exchange air conditioning unit, wherein refrigerant liquid is compressed in a compressor 2 and is changed into high-temperature gaseous refrigerant, the high-temperature gaseous refrigerant enters an upper loop of a double-layer cooling structure condenser 14 through a first inlet pipeline, a vortex fan 13 sucks air through a second air inlet 15 and blows the air into the double-layer cooling structure condenser 14, the high-temperature refrigerant is cooled to be liquid refrigerant, the liquid refrigerant enters a multilayer parallel flow evaporator 10 through a first outlet pipeline 6, the air after heat absorption is discharged through a second air outlet 16, the first outlet pipeline 6 passes through a first filter pipe 17, the first filter pipe 17 can enable the liquid refrigerant to enter a capillary tube 18, the gaseous refrigerant is cooled continuously, the capillary tube 18 mainly reduces the flow rate, and the phenomenon that when too many refrigerants flow into the multilayer parallel flow evaporator 10 at once is avoided, the surrounding heat is difficult to be completely absorbed and is changed into the gaseous refrigerant is avoided, therefore, the flow rate of the liquid refrigerant needs to be reduced through the capillary tube 18, when the liquid refrigerant enters the multilayer parallel flow evaporator 10, the ambient heat is absorbed and cooled, the reduced temperature is blown to the first air outlet 12 through the crossflow fan 9, meanwhile, the first air inlet 11 sucks the external temperature again, the external temperature is reduced through continuous circulation, the refrigerant running in the multilayer parallel flow evaporator 10 flows into the lower loop of the double-layer cooling structure condenser 14 through the second inlet pipeline 7, part of the refrigerant which is not completely gasified continues to absorb heat for cooling, the liquefaction speed of the high-temperature refrigerant in the upper loop of the double-layer cooling structure condenser 14 is increased, the working frequency of the turbo fan 13 is reduced, then the refrigerant enters the compressor 2 through the second outlet pipeline 8, and the second filter pipe 20 in the second outlet pipeline 8 can prevent the liquid low-temperature refrigerant from entering the compressor 2, the service life of the compressor 2 is influenced, the structure of the whole cabinet air conditioner is compact, the cabinet refrigeration efficiency is greatly improved, the cooling rate is improved, the working frequency of the compressor 2 is reduced, and the service life of the whole machine is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-efficient heat transfer air conditioning unit, includes casing (1), installs compressor (2) and back shroud (3) of bottom in casing (1), its characterized in that: an inner circulation refrigerating device is installed on the inner wall of the front side of the shell (1), a separation cover (4) is sleeved on the outer side of the inner circulation refrigerating device, an outer circulation heat dissipation device is installed on the outer surface of the separation cover (4), a first inlet pipeline (5) is connected between the compressor (2) and the outer circulation heat dissipation device, a first outlet pipeline (6) and a second inlet pipeline (7) are connected between the outer circulation heat dissipation device and the inner circulation refrigerating device, and a second outlet pipeline (8) is connected between the inner circulation refrigerating device and the compressor (2);
the internal circulation refrigeration device comprises a crossflow fan (9), a multilayer parallel flow evaporator (10), a first air inlet (11) and a first air outlet (12), wherein the crossflow fan (9) is installed at the upper end of the inner wall of the front side of the shell (1), the first air inlet (11) is installed at the position, relative to the crossflow fan (9), of the upper end of the front side of the shell (1), the multilayer parallel flow evaporator (10) is installed in the middle of the inner wall of the front side of the shell (1), and the first air outlet (12) is installed at the lower end of the front side of the shell (1);
the external circulation heat dissipation device comprises a vortex fan (13), a double-layer cooling structure condenser (14), a second air inlet (15) and a second air outlet (16), the vortex fan (13) is installed in the middle of the outer surface of the separation cover (4), the double-layer cooling structure condenser (14) is installed on the upper side of the outer surface of the separation cover (4), the second air inlet (15) is installed in the middle of the rear cover plate (3), and the second air outlet (16) is installed at the top of the rear cover plate (3);
the one end of first inlet pipeline (5) is connected the upper end of upper strata one side in double-deck cooling structure condenser (14), the one end of first outlet pipeline (6) is connected the lower extreme of upper strata opposite side in double-deck cooling structure condenser (14), install first filter tube (17) and capillary (18) from last to down in proper order on first outlet pipeline (6), the exit end of capillary (18) is connected the lower extreme of multilayer parallel flow evaporimeter (10) one side, the one end of second inlet pipeline (7) is connected the upper end of multilayer parallel flow evaporimeter (10) one side, the other end of second inlet pipeline (7) is connected the upper end of lower floor one side in double-deck cooling structure condenser (14), the lower extreme of second inlet pipeline (7) is opened has refrigerant to annotate liquid mouth (19), one end of the second outlet pipeline (8) is connected with the lower end of the other side of the middle lower layer of the double-layer cooling structure condenser (14), and a second filter pipe (20) is installed on the lower side of the second outlet pipeline (8).
2. The high-efficiency heat exchange air conditioning unit as recited in claim 1, wherein: and a cooling fan (21) is arranged on the side edge of the compressor (2).
3. The high-efficiency heat exchange air conditioning unit as recited in claim 1, wherein: and a controller (22) is arranged below the vortex fan (13).
4. The high-efficiency heat exchange air conditioning unit as recited in claim 1, wherein: the multilayer parallel flow evaporator (10) and the double-layer cooling structure condenser (14) are formed by welding a plurality of heat exchange units.
5. The high-efficiency heat exchange air conditioning unit as recited in claim 1, wherein: the louver of the first air outlet (12) is inclined upwards by 15-45 degrees.
6. The high-efficiency heat exchange air conditioning unit as recited in claim 1, wherein: the first inlet pipeline (5), the first outlet pipeline (6), the second inlet pipeline (7) and the second outlet pipeline (8) are all made of aluminum pipes.
7. The high-efficiency heat exchange air conditioning unit as recited in claim 1, wherein: and a sealing plug (23) is arranged on the refrigerant liquid injection port (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011130313.0A CN112268314B (en) | 2020-10-21 | 2020-10-21 | High-efficient heat transfer air conditioning unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130313.0A CN112268314B (en) | 2020-10-21 | 2020-10-21 | High-efficient heat transfer air conditioning unit |
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| CN112268314A CN112268314A (en) | 2021-01-26 |
| CN112268314B true CN112268314B (en) | 2022-03-08 |
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| CN202011130313.0A Active CN112268314B (en) | 2020-10-21 | 2020-10-21 | High-efficient heat transfer air conditioning unit |
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| CN104813108A (en) * | 2012-10-05 | 2015-07-29 | 力博特公司 | Load estimator for control of vapor compression cooling system with pumped refrigerant economization |
| CN104848421A (en) * | 2015-05-18 | 2015-08-19 | 蒋伟义 | Direct expansion heat recovery energy saving method and device |
| CN105757808A (en) * | 2014-12-17 | 2016-07-13 | 张庆彬 | Integrated fan air-conditioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418989A (en) * | 2011-12-08 | 2012-04-18 | Tcl空调器(中山)有限公司 | Air conditioner with novel heat exchanger |
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2020
- 2020-10-21 CN CN202011130313.0A patent/CN112268314B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749803A (en) * | 2008-12-18 | 2010-06-23 | 三菱电机株式会社 | Floot type air conditioner |
| WO2012107770A2 (en) * | 2011-02-11 | 2012-08-16 | Esg Pool Ventilation Ltd | Heating and/or cooling system and related methods |
| CN104813108A (en) * | 2012-10-05 | 2015-07-29 | 力博特公司 | Load estimator for control of vapor compression cooling system with pumped refrigerant economization |
| CN103912939A (en) * | 2013-01-09 | 2014-07-09 | 艾默生网络能源有限公司 | Air conditioning system |
| EP2679922A2 (en) * | 2013-08-16 | 2014-01-01 | Guangxi Junfuhuang Ground Source Heat Pump Co., Ltd | Heat pump system and air-conditioner |
| CN104329758A (en) * | 2014-11-05 | 2015-02-04 | 中国扬子集团滁州扬子空调器有限公司 | Photovoltaic-drive heat pipe combined machine room air conditioning unit |
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| CN104848421A (en) * | 2015-05-18 | 2015-08-19 | 蒋伟义 | Direct expansion heat recovery energy saving method and device |
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| CN112268314A (en) | 2021-01-26 |
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Effective date of registration: 20230906 Address after: 201507, Building 1, 2nd Floor, Building 2, No. 3999 Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee after: SHANGHAI VICTORY AUTO HEAT EXCHANGER MFG Co.,Ltd. Address before: Room 510, 5 / F, building 23, phase III, Jiangsu information service industry base, Guangling New Town, Guangling District, Yangzhou City, Jiangsu Province 225000 Patentee before: Yangzhou Zhaobang Energy Technology Co.,Ltd. |