CN104595525A - Refrigeration and heating switching eight-way valve - Google Patents
Refrigeration and heating switching eight-way valve Download PDFInfo
- Publication number
- CN104595525A CN104595525A CN201410854165.5A CN201410854165A CN104595525A CN 104595525 A CN104595525 A CN 104595525A CN 201410854165 A CN201410854165 A CN 201410854165A CN 104595525 A CN104595525 A CN 104595525A
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- China
- Prior art keywords
- valve plate
- interface
- valve
- cooling
- switches
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 238000005057 refrigeration Methods 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims description 28
- 239000006200 vaporizer Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
Abstract
The invention belongs to the technical field of an air-conditioning system and particularly relates to a refrigeration and heating switching eight-way valve. The technical problems, such as complex switching control of the prior art are solved. The refrigeration and heating switching eight-way valve comprises two annular pipelines and a cold and heat switching executing mechanism, wherein a ground source side interface, a condenser interface, an evaporator interface and a load side interface are respectively formed in each annular pipeline; the cold and heat switching executing mechanism is arranged on the two annular pipelines, can enable the ground source side interface to be alternately communicated with the condenser interface and the evaporator interface respectively to form a passage, and can enable the load side interface to be alternately communicated with the evaporator interface and the condenser interface respectively to form a passage. Compared with the prior art, the eight-way valve has the advantages of more reasonable design, convenient and quick switching and high stability.
Description
Technical field
The invention belongs to air-conditioning system technical field, particularly relate to a kind of cooling and heating and switch eight logical valves.
Background technique
Its refrigeration of existing air-conditioning system and heating switches and generally realizes Summer and winter two kinds of operating modes by eight groups of pipelines and some two-way valves and switch, existing eight groups of pipelines and some two-way valves its install after not only complex structure, and switch forms is complicated, on-the-spot easily setup error causes doing over again frequently, even if install and correctly also can be unfavorable for later stage operation maintenance, and final controlling element often because implementation capacity little large with pipeline pressure reduction mate improper, cannot the function of real recloser.In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.
Such as, Chinese patent literature discloses the water-water heat pump unit that a kind of integrating water route switches, [application number: 201420103503.7], comprise compressor, condenser, vaporizer and the first four-way valve and the second four-way valve, described compressor, condenser and vaporizer are communicated with formation refrigerant circulation successively; Source water outlet, source water intake, load side water outlet and load side water intake to be connected with described condenser, vaporizer formation waterway circulating by the first described four-way valve, the second four-way valve., there is not refrigeration bypass in the pressure drop that can reduce system of the program, improves performance and the ability of unit; Ensure that heat exchanger is all in the mode of countercurrent flow under refrigeration and heating mode, the performance and the ability that realize two kinds of patterns are all in optimization model; Refrigerant system is simple and reliable; Waterpower switching is integrated in unit inside, does not affect the design and installation of the water system of client.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but the program also at least exists following defect: design unreasonable, overall complex structure and cost is higher; In addition, later stage of cooling and heating switches and easily occurs misoperation, not convenient and not easy-maintaining and the replacing of switching controls, poor practicability.
Summary of the invention
The object of the invention is for the problems referred to above, provide the cooling and heating that a kind of design is more reasonable, switching controls is convenient and practical to switch eight logical valves.
For achieving the above object, present invention employs following technical proposal: this cooling and heating switches eight logical valves and comprises two annulus lines, each annulus line is respectively equipped with ground source interface, condenser interface, vaporizer interface and load side interface, and these eight logical valves also comprise and are arranged on two annulus lines and described ground source interface can be made to form path with condenser interface and vaporizer interface alternate communication respectively and make load side interface switch actuator with vaporizer interface and the cold and hot of condenser interface alternate communication respectively.
In this application, be provided with two annulus lines and can realize modularization dismounting, then can so that the switching controls of cooling and heating in conjunction with cold and hot switching actuator, misloading or misoperation etc. accident can not be there is in easy switching and be easy to manipulation.
Switch in eight logical valves at above-mentioned cooling and heating, described cold and hot switching actuator comprises four valve plate sockets being arranged on each annulus line and inserts in the valve plate be connected in described valve plate socket and with valve plate spigot seal, described valve plate is provided with and described ground source interface can be made to form four the first valve openings of path with condenser interface and vaporizer interface alternate communication respectively, and valve plate is also provided with four second valve openings that described load side interface can be made with vaporizer interface and condenser interface alternate communication to form path respectively.Thickness and circumferential fixing wearing bush equal with valve plate thickness is respectively equipped with in first valve opening and the second valve opening.
Switch in eight logical valves at above-mentioned cooling and heating, described valve plate is X-shaped, and described valve plate is connected with the straight journey driving structure that it can be driven to move back and forth back and forth in valve plate socket.
Switch in eight logical valves at above-mentioned cooling and heating, described valve plate comprises vertical valve plate body and horizontal valve plate body, four the first valve openings to be separately positioned on vertical valve plate body and to be distributed in the two ends of vertical valve plate body between two, four the second valve openings to be separately positioned on horizontal valve plate body and to be distributed in the two ends of horizontal valve plate body between two, the first described valve opening and the second valve opening setting up and down.
Switch in eight logical valves at above-mentioned cooling and heating, described straight journey driving structure comprises the valve rod being arranged on valve plate infall, described valve rod is connected with straight journey driver.Straight journey driver is cylinder or oil cylinder.
Switch in eight logical valves at above-mentioned cooling and heating, two annulus lines are small one and large one structure and form annular pass between two annulus lines, each annulus line comprises four right angle pipes respectively, described valve plate socket is left between two adjacent sub-pipes in right angle, valve plate to insert in valve plate socket and be provided with sealing configuration between right angle pipe with valve plate, and two annulus lines are combined to form three-back-shaped.
Switch in eight logical valves at above-mentioned cooling and heating, described sealing configuration comprises and is arranged on the sub-tube end in every root right angle and the deformation seal ring be made up of elastic strain material, is respectively equipped with can makes described deformation seal ring generation deformation when moving back and forth back and forth in valve plate socket and seal with deformation seal ring the valve plate seal ring be connected on the two sides of valve plate.
Switch in eight logical valves at above-mentioned cooling and heating, described deformation seal ring has the first angular sealing surface near the one side of valve plate seal ring, and valve plate seal ring is provided with the second angular sealing surface matched with the first described angular sealing surface.
Switch in eight logical valves at above-mentioned cooling and heating, described ground source interface, condenser interface, vaporizer interface and load side interface are connected to connection pipe body, between annulus line and valve plate, are provided with guide structure.
Switch in eight logical valves at above-mentioned cooling and heating, described guide structure comprises the some directional posts be arranged in annular pass, and valve plate is provided with some guide sleeves be set in one by one on described directional post, and described directional post slides with guide sleeve and is connected.
Compared with prior art, the advantages that this cooling and heating switches eight logical valves are: 1, design is more reasonable, easy switching and quick, good stability; 2, achieve modularization dismounting, maintenance can realize modularization and change, and improves dismounting efficiency; 3, can pressure reduction before and after self balancing pipeline, reduce the energy consumption performing driving force; 4, practical.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention.
Fig. 2 is valve board structure schematic diagram provided by the invention.
Fig. 3 is ring shaped pipeline structure schematic diagram provided by the invention.
Fig. 4 is partial structurtes schematic diagram provided by the invention.
Fig. 5 is guide structure schematic diagram provided by the invention.
In figure, annulus line 1, source interface 11, condenser interface 12, vaporizer interface 13, load side interface 14, connection pipe body 15, right angle pipe 1a, deformation seal ring 1b, the first angular sealing surface b, valve plate seal ring 1c, the second angular sealing surface c, cold and hot switching actuator 2, valve plate socket 21, valve plate 22, vertical valve plate body 22a, horizontal valve plate body 22b, the first valve opening 23, second valve opening 24, valve rod 25, straight journey driver 26, directional post 3, guide sleeve 4.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Figure 1-5, this cooling and heating switches eight logical valves and comprises two annulus lines 1, each annulus line 1 is respectively equipped with ground source interface 11, condenser interface 12, vaporizer interface 13 and load side interface 14, ground source interface 11, condenser interface 12, vaporizer interface 13 and load side interface 14 are connected to connection pipe body 15.These eight logical valves also comprise and are arranged on two annulus lines 1 and described ground source interface 11 can be made to form path with condenser interface 12 and vaporizer interface 13 alternate communication respectively and make load side interface 14 switch actuator 2 with vaporizer interface 13 and the cold and hot of condenser interface 12 alternate communication respectively.Two annulus lines 1 are combined to form three-back-shaped, so that stringing is installed and realized module installation, can improve switching efficiency and installation efficiency.
Particularly, the cold and hot switching actuator 2 of the present embodiment comprises four valve plate sockets 21 being arranged on each annulus line 1 and to insert in described valve plate socket 21 and to seal with valve plate socket 21 valve plate 22 be connected, described valve plate 22 is provided with four first valve openings 23 that described ground source interface 11 can be made with condenser interface 12 and vaporizer interface 13 alternate communication to form path respectively, and valve plate 22 is also provided with four second valve openings 24 that described load side interface 14 can be made with vaporizer interface 13 and condenser interface 12 alternate communication to form path respectively.Thickness and circumferential fixing wearing bush equal with valve plate thickness is respectively equipped with in first valve opening 23 and the second valve opening 24.In addition, valve plate 22 can pressure reduction before and after self balancing pipeline, thus reduce operation energy consumption.
Optimized project, valve plate 22 is in X-shaped, and described valve plate 22 is connected with the straight journey driving structure that it can be driven to move back and forth back and forth in valve plate socket 21.This straight journey driving structure comprises the valve rod 25 being arranged on valve plate 22 infall, and described valve rod 25 is connected with straight journey driver 26.Straight journey driver 26 comprises cylinder or oil cylinder.
Secondly, valve plate 22 comprises vertical valve plate body 22a and horizontal valve plate body 22b, four the first valve openings 23 to be separately positioned on vertical valve plate body 22a and to be distributed in the two ends of vertical valve plate body 22a between two, four the second valve openings 24 to be separately positioned on horizontal valve plate body 22b and to be distributed in the two ends of horizontal valve plate body 22b between two, the first described valve opening 23 and the second valve opening 24 setting up and down.
In addition, two annulus lines 1 are small one and large one structure and form annular pass between two annulus lines 1, two annulus lines 1 are combined to form three-back-shaped, each annulus line 1 comprises four sub-pipe 1a in right angle respectively, leave described valve plate socket 21 between two adjacent right angle pipe 1a, valve plate 22 to insert in valve plate socket 21 and be provided with sealing configuration between the sub-pipe 1a in right angle and valve plate 22.
Further, sealing configuration comprises and is arranged on Zi Guan1a end, every root right angle and the deformation seal ring 1b be made up of elastic strain material, is respectively equipped with described deformation seal ring 1b can be made deformation to occur and seal with deformation seal ring 1b the valve plate seal ring 1c be connected when moving back and forth back and forth in valve plate socket 21 on the two sides of valve plate 22.Deformation seal ring 1b axial deformation when stressed, the thickness of deformation seal ring 1b sets according to the pressure size of reality.
Near the one side of valve plate seal ring 1c, there is the first angular sealing surface b at deformation seal ring 1b, valve plate seal ring 1c is provided with the second angular sealing surface c matched with the first described angular sealing surface b.
Guide structure is provided with between annulus line 1 and valve plate 22.This guide structure comprises the some directional posts 3 be arranged in annular pass, and valve plate 22 is provided with some guide sleeves 4 be set in one by one on described directional post 3, and described directional post 3 slides with guide sleeve 4 and is connected.
The working principle of the present embodiment is as follows: straight journey driver 26 makes valve plate 22 in vertical direction lifting by valve rod 25 thus ground source interface 11 is communicated with condenser interface 12 to form path, or ground source interface 11 is communicated with vaporizer interface 13 and forms path, simultaneously, local source interface 11 is communicated with when forming path with condenser interface 12, load side interface 14 is communicated with vaporizer interface 13 and forms path, secondly, ground source interface 11 is communicated with when forming path with vaporizer interface 13, load side interface 14 is communicated with condenser interface 12 and forms path, thus meet the needs of cooling and heating, this switching construction is not only convenient to manipulation, and it is practical.
In addition, be small one and large one structure by two annulus lines 1 and between two annulus lines 1, form annular pass namely form three-back-shaped structure, this structure not only can realize modularization dismounting, but also can improve efficiency of construction.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ herein annulus line 1, the term such as source interface 11, condenser interface 12, vaporizer interface 13, load side interface 14, connection pipe body 15, right angle pipe 1a, deformation seal ring 1b, the first angular sealing surface b, valve plate seal ring 1c, the second angular sealing surface c, cold and hot switching actuator 2, valve plate socket 21, valve plate 22, vertical valve plate body 22a, horizontal valve plate body 22b, the first valve opening 23, second valve opening 24, valve rod 25, straight journey driver 26, directional post 3, guide sleeve 4, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. a cooling and heating switches eight logical valves, it is characterized in that, comprise two annulus lines (1), each annulus line (1) is respectively equipped with ground source interface (11), condenser interface (12), vaporizer interface (13) and load side interface (14), these eight logical valves also comprise that to be arranged on two annulus lines (1) upper and described ground source interface (11) can be made to form path with condenser interface (12) and vaporizer interface (13) alternate communication respectively and make load side interface (14) switch actuator (2) with vaporizer interface (13) and the cold and hot of condenser interface (12) alternate communication respectively.
2. cooling and heating according to claim 1 switches eight logical valves, it is characterized in that, described cold and hot switching actuator (2) comprises four valve plate sockets (21) being arranged on each annulus line (1) and to insert in described valve plate socket (21) and to seal with valve plate socket (21) valve plate (22) be connected, described valve plate (22) is provided with four first valve openings (23) that described ground source interface (11) can be made with condenser interface (12) and vaporizer interface (13) alternate communication to form path respectively, valve plate (22) is also provided with four second valve openings (24) that described load side interface (14) can be made with vaporizer interface (13) and condenser interface (12) alternate communication to form path respectively.
3. cooling and heating according to claim 2 switches eight logical valves, it is characterized in that, described valve plate (22) is in X-shaped, and described valve plate (22) is connected with the straight journey driving structure that it can be driven to move back and forth back and forth in valve plate socket (21).
4. cooling and heating according to claim 3 switches eight logical valves, it is characterized in that, described valve plate (22) comprises vertical valve plate body (22a) and horizontal valve plate body (22b), four the first valve openings (23) are separately positioned on vertical valve plate body (22a) and go up and the two ends being distributed in vertical valve plate body (22a) between two, it is upper and be distributed in the two ends of horizontal valve plate body (22b) between two that four the second valve openings (24) are separately positioned on horizontal valve plate body (22b), described the first valve opening (23) and the second valve opening (24) setting up and down.
5. the cooling and heating according to claim 3 or 4 switches eight logical valves, it is characterized in that, described straight journey driving structure comprises the valve rod (25) being arranged on valve plate (22) infall, and described valve rod (25) is connected with straight journey driver (26).
6. the cooling and heating according to claim 3 or 4 switches eight logical valves, it is characterized in that, the structure that two annulus lines (1) are small one and large one and form annular pass between two annulus lines (1), each annulus line (1) comprises four right angles pipe (1a) respectively, described valve plate socket (21) is left between two adjacent right angles pipe (1a), valve plate (22) to insert in valve plate socket (21) and be provided with sealing configuration between right angle pipe (1a) and valve plate (22), two annulus lines (1) are combined to form three-back-shaped.
7. cooling and heating according to claim 6 switches eight logical valves, it is characterized in that, described sealing configuration comprises and is arranged on son pipe (1a) end and the deformation seal ring (1b) be made up of elastic strain material, every root right angle, is respectively equipped with can makes described deformation seal ring (1b) that deformation occurs when moving back and forth back and forth in valve plate socket (21) and seal with deformation seal ring (1b) the valve plate seal ring (1c) be connected on the two sides of valve plate (22).
8. cooling and heating according to claim 7 switches eight logical valves, it is characterized in that, described deformation seal ring (1b) has the first angular sealing surface (b) near the one side of valve plate seal ring (1c), and valve plate seal ring (1c) is provided with the second angular sealing surface (c) matched with the first described angular sealing surface (b).
9. cooling and heating according to claim 6 switches eight logical valves, it is characterized in that, described ground source interface (11), condenser interface (12), vaporizer interface (13) and load side interface (14) are connected to connection pipe body (15), between annulus line (1) and valve plate (22), are provided with guide structure.
10. cooling and heating according to claim 9 switches eight logical valves, it is characterized in that, described guide structure comprises the some directional posts (3) be arranged in annular pass, valve plate (22) is provided with some guide sleeves (4) be set in one by one on described directional post (3), and described directional post (3) slides with guide sleeve (4) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854165.5A CN104595525B (en) | 2014-12-31 | 2014-12-31 | Cooling and warming switches eight ways valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854165.5A CN104595525B (en) | 2014-12-31 | 2014-12-31 | Cooling and warming switches eight ways valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595525A true CN104595525A (en) | 2015-05-06 |
| CN104595525B CN104595525B (en) | 2017-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854165.5A Active CN104595525B (en) | 2014-12-31 | 2014-12-31 | Cooling and warming switches eight ways valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104595525B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940029A (en) * | 2017-11-14 | 2018-04-20 | 珠海格力电器股份有限公司 | Two eight ways valves and trolley air conditioner system |
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| US20020005221A1 (en) * | 2000-01-19 | 2002-01-17 | Sisk Gregory Edward | Cycle reversing valve for use in heat pumps |
| CN2876470Y (en) * | 2006-01-12 | 2007-03-07 | 周华松 | Water passage exchange valve |
| CN101514856A (en) * | 2009-03-20 | 2009-08-26 | 清华大学 | An air treatment device with natural cold and heat supply |
| CN102966759A (en) * | 2012-11-16 | 2013-03-13 | 浙江盾安人工环境股份有限公司 | Electromagnetic four-way reversing valve with pressure protection |
| CN204477381U (en) * | 2014-12-31 | 2015-07-15 | 浙江陆特能源科技股份有限公司 | Cooling and heating switches eight logical valves |
-
2014
- 2014-12-31 CN CN201410854165.5A patent/CN104595525B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020005221A1 (en) * | 2000-01-19 | 2002-01-17 | Sisk Gregory Edward | Cycle reversing valve for use in heat pumps |
| CN2876470Y (en) * | 2006-01-12 | 2007-03-07 | 周华松 | Water passage exchange valve |
| CN101514856A (en) * | 2009-03-20 | 2009-08-26 | 清华大学 | An air treatment device with natural cold and heat supply |
| CN102966759A (en) * | 2012-11-16 | 2013-03-13 | 浙江盾安人工环境股份有限公司 | Electromagnetic four-way reversing valve with pressure protection |
| CN204477381U (en) * | 2014-12-31 | 2015-07-15 | 浙江陆特能源科技股份有限公司 | Cooling and heating switches eight logical valves |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940029A (en) * | 2017-11-14 | 2018-04-20 | 珠海格力电器股份有限公司 | Two eight ways valves and trolley air conditioner system |
| WO2019095758A1 (en) * | 2017-11-14 | 2019-05-23 | 格力电器（武汉）有限公司 | Two-position eight-way valve and electric vehicle air conditioning system |
| CN107940029B (en) * | 2017-11-14 | 2019-10-25 | 珠海格力电器股份有限公司 | Two eight ways valves and trolley air conditioner system |
| US11383578B2 (en) | 2017-11-14 | 2022-07-12 | Gree Electric Appliances (Wuhan) Co., Ltd | Two-position eight-way valve and electric vehicle air conditioning system |
Also Published As
| Publication number | Publication date |
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| CN104595525B (en) | 2017-11-10 |
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| C06 | Publication | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Refrigeration and heating switching eight-way valve Effective date of registration: 20181203 Granted publication date: 20171110 Pledgee: Hangzhou United Rural Commercial Bank Limited by Share Ltd. Wushan sub branch Pledgor: ZHEJIANG LUTE ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018330000435 |
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Granted publication date: 20171110 Pledgee: Hangzhou United Rural Commercial Bank Limited by Share Ltd. Wushan sub branch Pledgor: ZHEJIANG LUTE ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018330000435 |