CN103292388A - Refrigerating system for engine room - Google Patents
Refrigerating system for engine room Download PDFInfo
- Publication number
- CN103292388A CN103292388A CN2013102277141A CN201310227714A CN103292388A CN 103292388 A CN103292388 A CN 103292388A CN 2013102277141 A CN2013102277141 A CN 2013102277141A CN 201310227714 A CN201310227714 A CN 201310227714A CN 103292388 A CN103292388 A CN 103292388A
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- air
- water
- cabin
- pipeline
- cooling
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims description 32
- 238000005057 refrigeration Methods 0.000 claims description 28
- 239000002826 coolant Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 230000007306 turnover Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The invention relates to a refrigerating system for an engine room. The refrigerating system for the engine room comprises a cooling compressor set, a cooling water circulation device and a movable air supply device, wherein the cooling water circulation device comprises a water storage tank, a water pump and an expansion water tank which are connected with an evaporator of the cooling compressor set through pipelines. The movable air supply device is movably installed in the engine room and comprises an air supply box, a water cooling coil pipe, a circulating fan and one or more air supply jet devices, wherein the water cooling coil pipe is provided with a water inlet and a water outlet, the water inlet is communicated with the water storage tank through a pipeline, and the water outlet is communicated with a cooling water inlet of the evaporator through a pipeline. The refrigerating system for the engine room effectively resolves the problem that a compressor of a traditional refrigerating system is frequently regulated, stopped and started, avoids energy waste caused by overall cooling of the engine room, saves initial investment costs of equipment, can meet requirements for a wide temperature area of the engine room, and enables the set to operate efficiently at any environment temperature.
Description
Technical field
The present invention relates to a kind of refrigeration system, particularly the refrigeration system used of a kind of suitable cabin.
Background technology
Assembled a large amount of heat abstractors in the cabin of boats and ships and platform, temperature is throughout the year more than 40 ℃ in the cabin, and general cabin, navigation channel summer temp can reach 50 ℃, and course line, torrid areas cabin temperature can reach about 60 ℃.Owing to have personnel to need work, work in the cabin, need control the temperature in the working region.Existing cabin cooling system generally is made up of direct vaporation-type refrigeration system and air channel, sends into the air channel after by refrigeration system high temperature air being cooled and is transported to the cabin everywhere.
There is following problem in existing cabin cooling system: 1. the cabin load is bigger, if unmanned working region is lowered the temperature together, causes the cold waste; 2. realize the fixed point air-supply by airduct, comparatively inflexible.Along with the people work the zone conversion, the blind spot that can occur blowing or the waste of air output; 3. the fluorine refrigeration system that constitutes of direct-expansion type unit, heat exchange by fluorine and air realizes the cooling to air, because it is less that the air ratio of specific heat is held, refrigerant and air side heat exchange, during unit starting, temperature descends very fast in the cabin, when unit stops, temperature is risen again rapidly in the cabin, easily causes the frequent start-stop of compressor, and compressor is caused damage; 4. when summer, the subtropical environment temperature reached 60 ℃, temperature can be higher in the cabin, for refrigeration relatively good, wind pushing temperature need maintain about 30 ℃, turnover wind-warm syndrome difference is very big like this, and the excessive air side temperature difference can cause the rising of suction temperature, causes excessive discharge temperature, kind of refrigeration cycle is caused deterioration, loss unit service life.In addition because boats and ships annual whole world navigation causes cabin temperature zone span bigger, make the turnover wind parameter of air-conditioning unit change and increase, refrigeration system evaporator be difficult to from economical and functional on meet the demands simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of improved cabin refrigeration system is provided.
For solving above technical problem, the present invention takes following technical scheme:
A kind of cabin refrigeration system, it comprises the cooled compressed unit, the cooled compressed unit comprises compressor, condenser, restricting element and evaporimeter, compressor connects condenser by pipeline, condenser is connected evaporimeter by pipeline with restricting element, and described evaporimeter has refrigerant entrance, refrigerant exit, cooling water inlet and coolant outlet, and the refrigerant exit of described evaporimeter is connected with the inlet end of described compressor by pipeline, particularly
Described cabin also comprises cooling water circulating device and portable air-supply arrangement with refrigeration system, wherein:
Cooling water circulating device comprises the storage tank that is connected by pipeline with the coolant outlet of evaporimeter, the coolant outlet that is arranged on evaporimeter and water pump and the expansion tank on the pipeline between the storage tank;
Portable air-supply arrangement is arranged in the cabin movably, be used for sucking the hot-air in the cabin and in the cabin, spraying cold wind, described portable air-supply arrangement comprises the air-supply casing, is arranged on the interior water-cooled coil pipe of air-supply casing, is arranged on circulating fan and one or more air-supply ejector on the air-supply casing, the aqueous cold plate pipe has water inlet and delivery port, and wherein water inlet and storage tank pass through pipeline connection; Delivery port is communicated with the cooling water inlet of evaporimeter by pipeline.
Preferably, described cooled compressed unit also comprises the economizer with condensed fluid passage and refrigerant steam channel, wherein, the condensed fluid passage is connected on the pipeline between condenser and the evaporimeter, and the refrigerant steam channel is connected on the pipeline between the inlet end of evaporimeter and compressor.The setting of economizer makes and carries out heat exchange through the refrigerant of condenser condenses and the refrigerant steam that returns compressor from evaporimeter, thereby can realize that refrigerant liquid is cold excessively, the refrigerant steam superheating.
Further preferably, described cooled compressed unit also comprises the cooling pipe that is connected for the inlet end with the condensate liquid passage of economizer and compressor, is arranged on magnetic valve and temperature-responsive expansion valve on this cooling pipe.When environment temperature was too high, the compressor heat load was excessive, when causing compressor exhaust temperature higher, can the refrigerant liquid of economizer outlet be told a part to compressor by cooling pipe, and compressor is carried out the hydrojet cooling.
Preferably, described cooled compressed unit has two groups at least, and described at least two group cooled compressed units are in parallel.For example when cold night, compressor bank was two groups, can identify the using and the reserved automatically by leaving air temp, or two operations simultaneously, thereby can satisfy the wide requirement in cabin temperature zone, unit can efficiently moved under the environment temperature arbitrarily.
Preferably, the provided upstream of described water pump is equipped with filter.
According to a concrete aspect, the bottom of described air-supply casing is equipped with mobile wheel, and the top is equipped with hoisting structure.
Preferably, the water inlet of described water-cooled coil pipe and delivery port place are provided with snap joint.
Preferably, the described air-supply ejector air-supply ejector that is inlet shape and/or adjustable size.
Preferably, described portable air-supply arrangement is equipped with Aviation Connector.
Described restricting element is specifically as follows expansion valve.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
1, the present invention adopts refrigerant and water heat exchange, the water that will cool off is delivered in the packaged type coil pipe with band air-supply ejector again, the part, cabin is lowered the temperature, because specific heat of water holds much larger than air, and storage tank has the retaining cool storage function, has alleviated effectively that the conventional refrigeration compressor frequently can be transferred easily, the problem of start and stop;
2, the portable air-supply arrangement of the present invention's design can move to any space that needs cooling in the cabin, thereby realize carrying out big air quantity air-supply cooling at the zone of needs cooling, local cooling's requirement is satisfied in assurance, avoided using the whole energy waste of lowering the temperature and causing in cabin, the initial investment expense of also having saved equipment;
3, cold wind is sent by the air-supply ejector, under the air quantity that requires, the air outlet air velocity can reach 25m/s, and 5 meters wind scooter 4m/s realize remote jet distribution, also can select the air-supply ejector that has the Adjustable air port device for use, for example be adjusted into air outlet fan-shaped or more concentrated air-supply, can select suitable air-supply form according to the open environment in cabin, therefore, air-supply is more flexibly with adjustable.
, the cooled compressed unit is preferably designed for for example 2 groups of many groups, can identify the using and the reserved automatically by leaving air temp, the requirement of wide humidity province, cabin field width has been satisfied in or two operations simultaneously, makes unit high energy efficiency operation under environment temperature arbitrarily.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is according to structural principle schematic diagram of the present invention;
Wherein: 1, cooled compressed unit; 10, compressor; 11, condenser; 12, economizer; 13, expansion valve; 14, evaporimeter; 14a, refrigerant entrance; 14b, refrigerant exit; 14c, coolant outlet; 14d, cooling water inlet; 15, cooling pipe; 16, magnetic valve; 17, temperature-responsive expansion valve; 2, cooling water circulating device; 20, storage tank; 21, filter; 22, water pump; 23, expansion tank; 3, portable air-supply arrangement; 30, air-supply casing; 31, water-cooled coil pipe; 31a, water inlet; 31b, delivery port; 32, circulating fan; 33, air-supply ejector; 34, mobile wheel.
The specific embodiment
The present invention will be further described in detail below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1, the cabin refrigeration system that present embodiment provides, it mainly comprises cooled compressed unit 1, cooling water circulating device 2 and the portable air-supply arrangement 3 of two parallel connections.Wherein, the cooled compressed unit provides the water of refrigerant and cooling water circulating device 2 to carry out heat exchange, obtains low-temperature cooling water, low-temperature cooling water is passed in the portable air-supply arrangement 3, in portable air-supply arrangement 3, after the hot-air in the cabin and the cooling water heat exchange, in the cabin, send cold wind.Various piece to refrigeration system is elaborated below.
In this example, cooled compressed unit 1 has 2 groups, and each cooled compressed unit comprises compressor 10, condenser 11, economizer 12, expansion valve 13, evaporimeter 14, cooling pipe 15, magnetic valve 16, temperature-responsive expansion valve 17.The exhaust end of compressor 10 connects condenser 11 by pipeline, condenser 11 is by the condensed fluid channel connection of pipeline and economizer 12, the condensed fluid passage of economizer 12 also is communicated with the refrigerant entrance 14a of evaporimeter 14 with expansion valve 13 by pipeline, and the two ends of cooling pipe 15 are communicated with the condensed fluid passage place pipeline of economizer 12 and the inlet end of compressor 10 respectively.Magnetic valve 16 and temperature-responsive expansion valve 17 are successively set on the cooling pipe 15.The refrigerant exit 14b of evaporimeter 14 is communicated with the inlet end of compressor 10 by the refrigerant steam channel of pipeline and economizer 12.
In this example, cooling water circulating device 2 comprise and the coolant outlet 14c of evaporimeter 14 by the storage tank 20 of pipeline connection, the coolant outlet 14c that is arranged on evaporimeter 14 and filter 21, water pump 22 and the expansion tank 23 on the pipeline between the storage tank 20.
In this example, portable air-supply arrangement 3 is arranged in the cabin movably, is used for sucking the hot-air in the cabin and spray cold wind in the cabin.Portable air-supply arrangement 3 comprises air-supply casing 30, be arranged on water-cooled coil pipe 31 in the air-supply casing 30, be arranged on circulating fan 32 and 4 ~ 5 air-supply ejectors 33 on the air-supply casing 30, water-cooled coil pipe 31 has water inlet 31a and delivery port 31b, and wherein water inlet 31a and storage tank 20 pass through pipeline connection; Delivery port 31b is communicated with the cooling water inlet 14d of two evaporimeters 14 by pipeline.The water inlet 31a of water-cooled coil pipe 31 and delivery port 31b place are provided with snap joint, realize with other pipeline between fast with removably connect.The bottom of air-supply casing 30 is provided with mobile wheel 34, and the top is provided with the hoisting mechanism (not shown), thereby portable air-supply arrangement can move to the zone that needs cooling easily in the cabin.
Operation principle of the present invention is as follows: compressor is discharged the refrigerant steam of HTHP, in condenser, be condensed into liquid, refrigerant liquid enters in the economizer, carry out heat exchange with the refrigerant steam that returns compressor, realize cold excessively, the refrigerant steam superheating of refrigerant liquid, enter the expansion valve throttling again, enter in the evaporimeter and carry out heat exchange with the chilled water that returns from end.Chilled water cools to 10 ℃ by 20 ℃ in evaporimeter, filter by water filter and enter water pump, by water pump the chilled water of low temperature is sent into storage tank, divide terminad, enter the water-cooled coil pipe, the refrigerant steam of endothermic gasification returns compressor in the evaporimeter, finishes the circulation of refrigerant side.Too high when environment temperature, thermic load is excessive, when causing compressor exhaust temperature higher, and the refrigerant liquid of economizer outlet, part is told through magnetic valve, by the temperature-responsive expansion valve compressor is carried out the hydrojet cooling.10 ℃ of chilled waters by water pump output enter the water-cooled coil pipe, and the cabin atmosphere that sucks with circulating fan carries out heat exchange, and air cools to 30 ℃ by 60 ℃, by the ejection of air-supply ejector, the part, cabin are lowered the temperature.In the water-cooled coil pipe, absorb the air side thermic load and be warming up to 20 ℃ of chilled waters, to evaporimeter, finish chilled water side kind of refrigeration cycle by the pump blowback.
The cabin of present embodiment has following characteristics with cooling system:
1, can carry out big air quantity air-supply cooling to certain regional area by mobile packaged type air-supply arrangement to the working region, guarantee to satisfy local cooling's requirement the energy waste of having avoided the whole cooling in use cabin to cause, the initial investment expense of also having saved equipment;
2, packaged type air-supply arrangement, air-out selects for use 4-5 only with the air-supply ejector of rotation, under the air quantity that requires, the air outlet air velocity reaches 25m/s, 5 meters wind speed 4m/s, realize remote jet distribution, select the air-supply ejector that has the Adjustable air port device for use, be adjusted into air outlet fan-shaped or more concentrated air-supply.Can select suitable air-supply form according to the open environment in cabin;
3, packaged type air-supply arrangement, the mobile wheel of bottom assembling, the top is equipped with hoisting structure.Cooling coil can be moved to any space that needs cooling.Device is established aviation plug, can be connected fast with main frame, can realize that the optional position that moves to the cabin carries out work;
4, this cabin cooling system adopts for example fluorine and water heat exchange of refrigerant, and the water that will cool off is delivered in the packaged type coil pipe of band air-supply fluidic device again, and the part, cabin is lowered the temperature.Utilize the specific heat of water appearance much larger than the characteristic of air, again by storage tank retaining cool storage function, the frequent energy of effectively having alleviated the refrigeration system freon compressing unit is transferred, start and stop;
5, chilled water system is selected two handpiece Water Chilling Units parallel connections for use, identifies the using and the reserved automatically by leaving air temp, or two operations simultaneously.Satisfied the requirement of wide humidity province, cabin field width, made unit high energy efficiency operation under any environment temperature.
More than the present invention has been done detailed description; its purpose is to allow the personage that is familiar with this art can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; the equivalence that all spiritual essence according to the present invention is done changes or modifies, and all should be encompassed in protection scope of the present invention
Claims (10)
1. cabin refrigeration system, comprise the cooled compressed unit, described cooled compressed unit comprises compressor, condenser, restricting element and evaporimeter, described compressor connects described condenser by pipeline, described condenser is connected described evaporimeter by pipeline with described restricting element, described evaporimeter has refrigerant entrance, refrigerant exit, cooling water inlet and coolant outlet, and the refrigerant exit of described evaporimeter is connected with the inlet end of described compressor by pipeline, it is characterized in that:
Described cabin also comprises cooling water circulating device and portable air-supply arrangement with refrigeration system, wherein:
Described cooling water circulating device comprises the storage tank that is connected by pipeline with the coolant outlet of described evaporimeter, the coolant outlet that is arranged on evaporimeter and water pump and the expansion tank on the pipeline between the storage tank;
Described portable air-supply arrangement is arranged in the cabin movably, be used for sucking the hot-air in the cabin and in the cabin, spraying cold wind, described portable air-supply arrangement comprises the air-supply casing, is arranged on the interior water-cooled coil pipe of described air-supply casing, is arranged on circulating fan and one or more air-supply ejector on the described air-supply casing, described aqueous cold plate pipe has water inlet and delivery port, and wherein water inlet and described storage tank pass through pipeline connection; Described delivery port is communicated with the cooling water inlet of described evaporimeter by pipeline.
2. cabin according to claim 1 refrigeration system, it is characterized in that: described cooled compressed unit also comprises the economizer with condensed fluid passage and refrigerant steam channel, wherein, the condensed fluid passage is connected on the pipeline between condenser and the evaporimeter, and the refrigerant steam channel is connected on the pipeline between the inlet end of evaporimeter and compressor.
3. cabin according to claim 2 refrigeration system is characterized in that: described cooled compressed unit also comprises the cooling pipe that is connected for the inlet end with the condensate liquid passage of described economizer and described compressor, is arranged on magnetic valve and temperature-responsive expansion valve on this cooling pipe.
4. cabin according to claim 1 refrigeration system, it is characterized in that: described cooled compressed unit has two groups at least, and described at least two group cooled compressed units are in parallel.
5. cabin according to claim 1 refrigeration system, it is characterized in that: the provided upstream of described water pump is equipped with filter.
6. cabin according to claim 1 refrigeration system, it is characterized in that: the bottom of described air-supply casing is equipped with mobile wheel, and the top is equipped with hoisting structure.
7. cabin according to claim 1 refrigeration system, it is characterized in that: the water inlet of described water-cooled coil pipe and delivery port place are provided with snap joint.
8. cabin according to claim 1 refrigeration system is characterized in that: the air-supply ejector that described air-supply ejector is inlet shape and/or adjustable size.
9. cabin according to claim 1 refrigeration system, it is characterized in that: described portable air-supply arrangement is equipped with Aviation Connector.
10. cabin according to claim 1 refrigeration system, it is characterized in that: described restricting element is expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227714.1A CN103292388B (en) | 2013-06-08 | 2013-06-08 | Refrigerating system for engine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227714.1A CN103292388B (en) | 2013-06-08 | 2013-06-08 | Refrigerating system for engine room |
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| Publication Number | Publication Date |
|---|---|
| CN103292388A true CN103292388A (en) | 2013-09-11 |
| CN103292388B CN103292388B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310227714.1A Active CN103292388B (en) | 2013-06-08 | 2013-06-08 | Refrigerating system for engine room |
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| CN (1) | CN103292388B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729160A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Parallel air-conditioning unit |
| CN105805825A (en) * | 2014-12-30 | 2016-07-27 | 艾默生网络能源有限公司 | Air conditioner and control method thereof |
| CN108020022A (en) * | 2017-11-24 | 2018-05-11 | 南通象屿海洋装备有限责任公司 | A kind of new Cargo Oil temperature control system and temperature control method for chemical tanker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0699883A2 (en) * | 1994-08-31 | 1996-03-06 | Nippondenso Co., Ltd. | Refrigerating system |
| CN201277661Y (en) * | 2008-09-13 | 2009-07-22 | 徐振国 | Water thermostat type mobile air conditioner |
| CN201555392U (en) * | 2009-10-23 | 2010-08-18 | 南通康鑫药业有限公司 | Folding type cooling system |
| CN203395994U (en) * | 2013-06-08 | 2014-01-15 | 张家港市江南利玛特设备制造有限公司 | Refrigeration system used for engine room |
-
2013
- 2013-06-08 CN CN201310227714.1A patent/CN103292388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0699883A2 (en) * | 1994-08-31 | 1996-03-06 | Nippondenso Co., Ltd. | Refrigerating system |
| CN201277661Y (en) * | 2008-09-13 | 2009-07-22 | 徐振国 | Water thermostat type mobile air conditioner |
| CN201555392U (en) * | 2009-10-23 | 2010-08-18 | 南通康鑫药业有限公司 | Folding type cooling system |
| CN203395994U (en) * | 2013-06-08 | 2014-01-15 | 张家港市江南利玛特设备制造有限公司 | Refrigeration system used for engine room |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729160A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Parallel air-conditioning unit |
| CN104729160B (en) * | 2013-12-24 | 2018-10-16 | 珠海格力电器股份有限公司 | Parallel air-conditioning group |
| CN105805825A (en) * | 2014-12-30 | 2016-07-27 | 艾默生网络能源有限公司 | Air conditioner and control method thereof |
| CN105805825B (en) * | 2014-12-30 | 2018-12-25 | 维谛技术有限公司 | A kind of air-conditioning and its control method |
| CN108020022A (en) * | 2017-11-24 | 2018-05-11 | 南通象屿海洋装备有限责任公司 | A kind of new Cargo Oil temperature control system and temperature control method for chemical tanker |
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| Publication number | Publication date |
|---|---|
| CN103292388B (en) | 2015-06-24 |
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Address after: 215634 East side of Huachang Road, Yangzijiang Chemical Industry Park, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Limat Energy Equipment Co.,Ltd. Address before: 215634 East side of Huachang Road, Yangzijiang Chemical Industry Park, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: JIANGNAN LMART EQUIPMENT MANUFACTURING (ZHANGJIAGANG) Co.,Ltd. |