CN212778016U - Direct expansion type piston parallel refrigerating unit for cold filling station - Google Patents
Direct expansion type piston parallel refrigerating unit for cold filling station Download PDFInfo
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- CN212778016U CN212778016U CN202021393489.0U CN202021393489U CN212778016U CN 212778016 U CN212778016 U CN 212778016U CN 202021393489 U CN202021393489 U CN 202021393489U CN 212778016 U CN212778016 U CN 212778016U
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Abstract
The utility model provides a fill cold station with parallelly connected refrigerating unit of formula piston that directly expands, include: the refrigeration system and the vacuum system are installed in the unit frame; the refrigeration system includes: the liquid storage device comprises a compression part, a heat dissipation part, a liquid storage part, an air return structure and a liquid injection structure, wherein the compression part is a compressor; the heat dissipation part is an air-cooled condenser, and the vacuum system comprises a vacuum pump and a vacuumizing quick connector; the compression part, the liquid storage part and the vacuum pump system are arranged in the unit frame, and the heat dissipation part is arranged at the back of the unit frame; the return air structure annotate the liquid structure and the evacuation is connected rapidly and is installed the front of unit frame, the utility model discloses mainly utilize refrigerating system and vacuum system integration in the unit frame to play the cold efficiency of filling that has improved the refrigerator car and occupy littleer space.
Description
Technical Field
The utility model relates to a refrigerating system technical field especially relates to a fill cold station with parallelly connected refrigerating unit of formula piston that expands directly.
Background
At present, the usage amount of cold storage type freezing and refrigerating compartments for storing foods such as vegetables, fruits, meat and the like is increasing year by year. A cold storage type freezing and refrigerating carriage needs to be rapidly and efficiently cooled by a cold storage plate in a cold storage station when food is not conveyed in the carriage so as to meet the cold insulation requirement when the food is conveyed. The existing refrigerating units of the cold charging station are generally cooled by secondary refrigerant. The refrigerating unit of the cold filling station comprises a compression condensing system and a water path system. The water pump of the waterway system drives the secondary refrigerant to circulate, primary heat exchange is carried out through the evaporator of the compression condensing system, and then the low-temperature secondary refrigerant enters the cold storage plate in the carriage to carry out secondary heat exchange, so that refrigeration is completed. The refrigerating unit of the cold filling station comprises a compression condensing system and a waterway system, so that the unit system is complex, complicated to control, not beneficial to maintenance and large in equipment investment. Meanwhile, the secondary heat exchange of the secondary refrigerant realizes refrigeration, so that the heat exchange efficiency is low, the heat exchange temperature difference is small, and the cold charging time is long. Based on objective actual requirements and solves the problems existing in the prior art.
Therefore, a direct expansion type piston parallel refrigerating unit for a cold filling station needs to be designed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned technical problems, a direct expansion type piston parallel refrigerating unit for a cold filling station is provided. The utility model discloses mainly utilize and integrate refrigerating system and vacuum system in the unit frame to play the cold efficiency of filling that has improved the refrigerator car and occupy littleer space. The utility model discloses a technical means as follows:
a directly-expanded piston parallel refrigerating unit for a cold filling station is characterized by comprising: the refrigerating system and the vacuum system are arranged in the unit frame, the unit frame comprises a unit base, a unit upright post and a fan cover plate, the unit upright post is arranged on the unit base, and the fan cover plate is arranged on the unit upright post; the refrigeration system includes: the liquid storage device comprises a compression part, a heat dissipation part, a liquid storage part, an air return structure and a liquid injection structure, wherein the compression part is a compressor; the heat dissipation part is an air-cooled condenser, and a condensation air inlet of the air-cooled condenser is connected with a compressor air outlet of the compressor through a pipeline I; the liquid storage part is a liquid storage device, and a liquid inlet of the liquid storage device is connected with a condensation liquid outlet of the air-cooled condenser through a pipeline II; the air return structure is an air return quick connector, and the air return quick connector is connected with an air inlet of a compressor of the compressor through a pipeline III; the liquid injection structure is a liquid supply quick connector, and the liquid supply quick connector is connected with a liquid outlet of a liquid storage device of the liquid storage device through a pipeline IV; the vacuum system comprises a vacuum pump and a rapid vacuumizing joint, and the vacuum pump is connected with the rapid vacuumizing joint through a pipeline VI; the compression part, the liquid storage part and the vacuum pump system are arranged in the unit frame, and the heat dissipation part is arranged at the back of the unit frame; the air return structure, the liquid injection structure and the vacuumizing quick connector are arranged on the front side of the unit frame.
Furthermore, a unit peripheral panel is arranged between the unit upright column and the unit base as well as between the unit upright column and the fan cover plate, and a fan is arranged on the fan cover plate; the refrigerating system is further provided with an oil return device which is an oil separator, the oil separator is arranged on the pipeline I, and an oil outlet of the oil separator is connected with an electronic oil balance oil filling port on the compressor through a pipeline V.
Furthermore, an air return ball valve, an electronic expansion valve pressure sensor and an electronic expansion valve temperature sensor are sequentially arranged at the pipe end of the air return structure; the pipe end of the liquid injection structure is sequentially provided with a liquid supply ball valve and an electronic expansion valve; a gas-liquid separator is arranged on the pipeline III, and an air suction filter is arranged at the pipeline between the gas-liquid separator and the air return structure on the pipeline III; a liquid supply drying filter is arranged on the pipeline IV, and a liquid path liquid sight glass is arranged at a pipe section between the liquid supply drying filter and the liquid injection structure of the pipeline IV; an oil way filter, an oil way stop valve and an oil way liquid sight glass are sequentially arranged on the pipeline V by taking the position close to the oil separator as a starting point; the reservoir is provided with a reservoir safety valve; a pressure gauge is arranged in the refrigerating system; and a vacuum pump electromagnetic valve is arranged on the pipeline VI.
Further, the compressor comprises a compressor I and a compressor II, and the compressor I and the compressor II are connected in parallel; the air return structures are provided with one or more than one, and every two air return structures are connected in parallel; the liquid injection structure is provided with one or more than one liquid injection structure, and every two liquid injection structures are connected in parallel; one or more vacuum-pumping quick joints are arranged.
Furthermore, a panel dismounting buckle is arranged on the unit peripheral panel, and an electric control box is arranged behind the unit peripheral panel at the upper end of the front side of the unit frame; the pressure gauge is arranged on the front surface of the unit frame; and a condenser protective mesh enclosure is arranged on the back of the unit frame.
The utility model has the advantages of it is following:
1. the utility model provides a pair of fill cold station with parallelly connected refrigerating unit of formula piston that directly expands connects and annotates the liquid joint through setting up a plurality of return air, can be quick for a plurality of refrigeration cars notes cold.
2. The utility model provides a pair of fill cold station with parallelly connected refrigerating unit return air joint of formula piston that directly expands, annotate the liquid joint and the parallelly connected setting of evacuation joint rapidly, carry out return air, evacuation and annotate the liquid operation simultaneously for the notes cold efficiency of refrigeration car.
3. The utility model provides a pair of fill cold station with directly expanding formula piston refrigeration unit that connects in parallel with integrated occuping that has reduced the space in the unit of refrigerating system and vacuum system.
Based on the reason, the utility model discloses can extensively promote in fields such as refrigerating system technique.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of a direct-expansion type piston parallel refrigerating unit for a cold filling station of the present invention.
Fig. 2 is a schematic diagram of the direct expansion type piston parallel refrigerating unit for the cold filling station of the present invention.
Fig. 3 is a schematic diagram of the direct expansion type piston parallel refrigerating unit for the cold filling station of the present invention.
Fig. 4 is a schematic diagram of the direct expansion type piston parallel refrigerating unit for the cold filling station of the present invention.
Fig. 5 is a diagram of a refrigeration cycle system of a direct expansion type piston parallel refrigerating unit for a cold filling station.
In the figure: 1. a unit base; 2. a unit upright post; 3. a unit outer side beam; 4. a unit peripheral panel; 5. the panel is disassembled and assembled with the handle; 6. a fan housing plate; 7. a fan; 8. an electric cabinet operation panel; 9. a pressure gauge; 10. a quick connect boot; 11. vacuumizing the quick connector I; 12. vacuumizing the quick connector II; 13. a quick air return joint I; 14. a quick air return joint II; 15. a quick air return joint III; 16. a liquid supply quick connector I; 17. a liquid supply quick joint II; 18. a liquid supply quick connector III; 19. a scram switch; 20. an air-cooled condenser; 21. a condenser protective mesh enclosure; 22. an oil separator; 23. an electric cabinet; 24. a compressor I; 25. a compressor II; 26. a reservoir; 27. an oil-way liquid sight glass; 28. an oil path filter; 29. a vacuum pump; 30. a vacuum pump waterproof cover; 31. a liquid supply drying filter; 32. an intake filter; 33. a pressure switch waterproof cover; 34. a reservoir safety valve; 35. a liquid path liquid sight glass; 36. a vacuum pump solenoid valve; 37. a gas-liquid separator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides a fill cold station with parallelly connected refrigerating unit of formula piston that directly expands, include: the refrigerating system and the vacuum system are installed in the unit frame, the unit frame comprises a unit base 1, a unit upright post 2 and a fan cover plate 6, the unit upright post 2 is installed on the unit base 1, the fan cover plate 6 is installed on the unit upright post 2, a unit peripheral panel 4 is arranged between the unit upright post 2 and the unit base 1 as well as between the fan cover plate 6, and a fan 7 is arranged on the fan cover plate 6; the refrigeration system includes: the compressor comprises a compression part, a heat dissipation part, a liquid storage part, an air return structure and a liquid injection structure, wherein the compression part is a compressor, the compressor comprises a compressor I24 and a compressor II 25, and the compressor I24 and the compressor II 25 are connected in parallel; the heat dissipation part is an air-cooled condenser 20, and a condensation air inlet of the air-cooled condenser 20 is connected with an air outlet of a compressor of the compressor through a pipeline I; the liquid storage part is a liquid storage device 26, and a liquid inlet of the liquid storage device 26 is connected with a condensation liquid outlet of the air-cooled condenser 20 through a pipeline II; the air return structure is an air return quick connector, and the air return quick connector is connected with an air inlet of a compressor of the compressor through a pipeline III; the liquid injection structure is a liquid supply quick connector, and the liquid supply quick connector is connected with a liquid outlet of a liquid storage device 26 of the liquid storage device 26 through a pipeline IV; the vacuum system comprises a vacuum pump 29 and a rapid vacuumizing joint, the vacuum pump 29 is connected with the rapid vacuumizing joint through a pipeline VI, the refrigeration system is also provided with an oil return device, the oil return device is an oil separator 22, the oil separator 22 is arranged on the pipeline I, an oil outlet of the oil separator 22 is connected with an electronic oil balance oil injection port on the compressor through a pipeline V, and an air return ball valve, an electronic expansion valve pressure sensor and an electronic expansion valve temperature sensor are sequentially arranged at the pipe end of the air return structure; the pipe end of the liquid injection structure is sequentially provided with a liquid supply ball valve and an electronic expansion valve; a gas-liquid separator 37 is arranged on the pipeline III, and an air suction filter 32 is arranged on the pipeline III between the gas-liquid separator 37 and the air return structure; a liquid supply drying filter 31 is arranged on the pipeline IV, and a liquid path liquid sight glass 35 is arranged at a pipe section between the liquid supply drying filter 31 and the liquid injection structure of the pipeline IV; an oil path filter 28, an oil path stop valve and an oil path liquid observation mirror 27 are sequentially arranged on the pipeline V by taking the oil separator 22 as a starting point; a reservoir safety valve 34 is arranged on the reservoir 26; a pressure gauge 9 is arranged in the refrigerating system; a vacuum pump electromagnetic valve 36 is arranged on the pipeline VI; the air return structures are provided with one or more than one, and every two air return structures are connected in parallel; the liquid injection structure is provided with one or more than one liquid injection structure, and every two liquid injection structures are connected in parallel; one or more vacuum-pumping quick joints are arranged; the compression part, the liquid storage part and the vacuum pump 29 are integrally arranged in the unit frame, and the heat dissipation part is arranged at the back of the unit frame; the air return structure, the liquid injection structure and the vacuumizing rapid joint are arranged on the front side of the unit frame, a panel dismounting buckle 5 is arranged on the unit peripheral panel 4, and an electric cabinet 23 is arranged behind the unit peripheral panel 4 at the upper end of the front side of the unit frame; the pressure gauge 9 is arranged on the front surface of the unit frame; and a condenser protective mesh enclosure 21 is arranged on the back of the unit frame.
Example 1
A direct expansion type piston parallel refrigerating unit for a cold filling station comprises: the refrigerating system and the vacuum system are installed in the unit frame, the unit frame comprises a unit base 1, unit columns 2 and a fan cover plate 6, the unit columns 2 are installed on the unit base 1, the fan cover plate 6 is installed on the unit columns 2, unit outer side cross beams 3 are arranged among the unit columns, unit peripheral panels 4 are arranged among the unit columns 2, the unit base 1 and the fan cover plate 6, and fans 7 are arranged on the fan cover plate 6; the refrigeration system includes: the compressor comprises a compression part, a heat dissipation part, a liquid storage part, an air return structure and a liquid injection structure, wherein the compression part is a compressor, the compressor comprises a compressor I24 and a compressor II 25, and the compressor I24 and the compressor II 25 are connected in parallel; the heat dissipation part is an air-cooled condenser 20, and a condensation air inlet of the air-cooled condenser 20 is connected with an air outlet of a compressor of the compressor through a pipeline I; the liquid storage part is a liquid storage device 26, and a liquid inlet of the liquid storage device 26 is connected with a condensation liquid outlet of the air-cooled condenser 20 through a pipeline II; the air return structure is an air return quick connector, and the air return quick connector is connected with an air inlet of a compressor of the compressor through a pipeline III; the liquid injection structure is a liquid supply quick connector, and the liquid supply quick connector is connected with a liquid outlet of a liquid storage device 26 of the liquid storage device 26 through a pipeline IV; the vacuum system comprises a vacuum pump 29 and a rapid vacuumizing joint, the vacuum pump 29 is connected with the rapid vacuumizing joint through a pipeline VI, the refrigeration system is also provided with an oil return device, the oil return device is an oil separator 22, the oil separator 22 is arranged on the pipeline I, an oil outlet of the oil separator 22 is connected with an electronic oil balance oil injection port on the compressor through a pipeline V, and an air return ball valve, an electronic expansion valve pressure sensor and an electronic expansion valve temperature sensor are sequentially arranged at the pipe end of the air return structure; the pipe end of the liquid injection structure is sequentially provided with a liquid supply ball valve and an electronic expansion valve; a gas-liquid separator 37 is arranged on the pipeline III, and an air suction filter 32 is arranged on the pipeline III between the gas-liquid separator 37 and the air return structure; a liquid supply drying filter 31 is arranged on the pipeline IV, and a liquid path liquid sight glass 35 is arranged at a pipe section between the liquid supply drying filter 31 and the liquid injection structure of the pipeline IV; an oil path filter 28, an oil path stop valve and an oil path liquid observation mirror 27 are sequentially arranged on the pipeline V by taking the oil separator 22 as a starting point; a reservoir safety valve 34 is arranged on the reservoir 26; a pressure gauge 9 and a pressure switch are arranged in the refrigerating system, and a pressure switch waterproof cover 33 is arranged outside the pressure switch; a vacuum pump electromagnetic valve 36 is arranged on the pipeline VI; the air return structure is provided with three quick air return joints I13, II 14 and III 15, and every two air return structures are connected in parallel; the liquid injection structure is provided with three liquid supply quick connectors I16, II 17 and III 18, and every two liquid injection structures are connected in parallel; the vacuumizing quick joint is provided with two vacuumizing quick joints I11 and II 12; the compression part, the liquid storage part and the vacuum pump 29 are integrally installed in the unit frame, a vacuum pump waterproof cover 30 is arranged outside the vacuum pump 29, and the heat dissipation part is installed at the back of the unit frame; the air return structure, the liquid injection structure and the rapid vacuumizing joint are arranged on the front side of the unit frame, a rapid joint protective cover 10 is arranged outside the liquid injection structure and the rapid vacuumizing joint, a panel disassembling and assembling buckle 5 is arranged on a unit peripheral panel 4, an electric cabinet 23 is arranged behind the unit peripheral panel 4 at the upper end of the front side of the unit frame, an electric cabinet operation panel 8 of the electric cabinet 23 is arranged on the unit peripheral panel 4, and an emergency stop switch 19 is arranged on the electric cabinet 23; the pressure gauge 9 is arranged on the front surface of the unit frame; the unit frame back is equipped with condenser protective screen 21, vapour and liquid separator 37 installs the bottom of unit frame, compressor I24 with compressor II 25 installs vapour and liquid separator 37 upper end, the heat that the compressor produced can be by fan 7 takes away can not influence vapour and liquid separator 37's work.
When the cold storage type freezing and refrigerating compartment evaporator is required to be externally connected, the refrigerant gas returned by the gas-liquid separator 37 is compressed by the compressor I24 and the compressor II 25, the compressed refrigerant gas is compressed into high-temperature and high-pressure refrigerant gas, the high-temperature and high-pressure refrigerant gas enters the oil separator 22 to realize oil-gas separation, the separated refrigerant gas enters the air-cooled condenser 20 to be cooled and then becomes liquid refrigerant, the liquid refrigerant enters the liquid reservoir 26, the liquid refrigerant in the liquid reservoir 26 passes through the liquid supply drying filter 31 and the liquid path liquid sight glass 35 and respectively enters each liquid supply branch, each liquid supply branch is connected with the refrigerant rapidly by the electronic expansion valve and the liquid supply joint and enters the cold storage type freezing and refrigerating compartment evaporator which is externally connected, and the refrigerant enters each air return branch after the evaporation and refrigeration of the cold storage type freezing and refrigerating compartment evaporator which is externally connected, in each air return branch, refrigerant passes through the air return quick connector and then joins, passes through the air suction filter 32 and the gas-liquid separator 37, enters the compressor I24 and the compressor II 25 for compression, lubricating oil separated in the oil separator 22 passes through the oil path filter 28 and the oil path liquid observation mirror 27, enters each compressor for lubrication, and the vacuum pump 29 can be connected with an external cold storage type refrigeration and refrigeration carriage evaporator through the vacuum pump electromagnetic valve 36 and the vacuum quick connector according to actual requirements to vacuumize the external evaporator.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A directly-expanded piston parallel refrigerating unit for a cold filling station is characterized by comprising: the refrigerating system and the vacuum system are arranged in the unit frame, the unit frame comprises a unit base, a unit upright post and a fan cover plate, the unit upright post is arranged on the unit base, and the fan cover plate is arranged on the unit upright post; the refrigeration system includes: the liquid storage device comprises a compression part, a heat dissipation part, a liquid storage part, an air return structure and a liquid injection structure, wherein the compression part is a compressor; the heat dissipation part is an air-cooled condenser, and a condensation air inlet of the air-cooled condenser is connected with a compressor air outlet of the compressor through a pipeline I; the liquid storage part is a liquid storage device, and a liquid inlet of the liquid storage device is connected with a condensation liquid outlet of the air-cooled condenser through a pipeline II; the air return structure is an air return quick connector, and the air return quick connector is connected with an air inlet of a compressor of the compressor through a pipeline III; the liquid injection structure is a liquid supply quick connector, and the liquid supply quick connector is connected with a liquid outlet of a liquid storage device of the liquid storage device through a pipeline IV; the vacuum system comprises a vacuum pump and a rapid vacuumizing joint, and the vacuum pump is connected with the rapid vacuumizing joint through a pipeline VI; the compression part, the liquid storage part and the vacuum pump system are arranged in the unit frame, and the heat dissipation part is arranged at the back of the unit frame; the air return structure, the liquid injection structure and the vacuumizing quick connector are arranged on the front side of the unit frame.
2. The direct-expansion type piston parallel refrigerating unit for the cold filling station as claimed in claim 1, wherein a unit peripheral panel is arranged between the unit upright column and the unit base and between the unit upright column and the fan cover plate, and a fan is arranged on the fan cover plate; the refrigerating system is further provided with an oil return device which is an oil separator, the oil separator is arranged on the pipeline I, and an oil outlet of the oil separator is connected with an electronic oil balance oil filling port on the compressor through a pipeline V.
3. The direct-expansion type piston parallel refrigerating unit for the cold filling station as claimed in claim 2, wherein a return ball valve, an electronic expansion valve pressure sensor and an electronic expansion valve temperature sensor are sequentially arranged at a pipe end of the return structure; the pipe end of the liquid injection structure is sequentially provided with a liquid supply ball valve and an electronic expansion valve; a gas-liquid separator is arranged on the pipeline III, and an air suction filter is arranged at the pipeline between the gas-liquid separator and the air return structure on the pipeline III; a liquid supply drying filter is arranged on the pipeline IV, and a liquid path liquid sight glass is arranged at a pipe section between the liquid supply drying filter and the liquid injection structure of the pipeline IV; an oil way filter, an oil way stop valve and an oil way liquid sight glass are sequentially arranged on the pipeline V by taking the position close to the oil separator as a starting point; the reservoir is provided with a reservoir safety valve; a pressure gauge is arranged in the refrigerating system; and a vacuum pump electromagnetic valve is arranged on the pipeline VI.
4. The direct-expansion type piston parallel refrigerating unit for the cold filling station as claimed in claim 1, wherein the compressor comprises a compressor I and a compressor II, and the compressor I and the compressor II are connected in parallel; the air return structures are provided with one or more than one, and every two air return structures are connected in parallel; the liquid injection structure is provided with one or more than one liquid injection structure, and every two liquid injection structures are connected in parallel; one or more vacuum-pumping quick joints are arranged.
5. A direct-expansion type piston parallel refrigerating unit for a cold-charging station as claimed in claim 3, wherein a panel dismounting buckle is arranged on the unit peripheral panel, and an electric cabinet is arranged behind the unit peripheral panel on the upper end of the front face of the unit frame; the pressure gauge is arranged on the front surface of the unit frame; and a condenser protective mesh enclosure is arranged on the back of the unit frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021393489.0U CN212778016U (en) | 2020-07-15 | 2020-07-15 | Direct expansion type piston parallel refrigerating unit for cold filling station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021393489.0U CN212778016U (en) | 2020-07-15 | 2020-07-15 | Direct expansion type piston parallel refrigerating unit for cold filling station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778016U true CN212778016U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021393489.0U Active CN212778016U (en) | 2020-07-15 | 2020-07-15 | Direct expansion type piston parallel refrigerating unit for cold filling station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212778016U (en) |
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2020
- 2020-07-15 CN CN202021393489.0U patent/CN212778016U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Bingshan Songyang Refrigerator System (Dalian) Co.,Ltd. Address before: 116000 No.8 Songlan street, Jinzhou new district, Dalian City, Liaoning Province Patentee before: PANASONIC REFRIGERATOR SYSTEM (DALIAN) CO.,LTD. |
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| CP03 | Change of name, title or address |