CN101498393A - Pipeline connecting device - Google Patents
Pipeline connecting device Download PDFInfo
- Publication number
- CN101498393A CN101498393A CNA2008100002976A CN200810000297A CN101498393A CN 101498393 A CN101498393 A CN 101498393A CN A2008100002976 A CNA2008100002976 A CN A2008100002976A CN 200810000297 A CN200810000297 A CN 200810000297A CN 101498393 A CN101498393 A CN 101498393A
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- China
- Prior art keywords
- hole
- connecting device
- pipeline connecting
- adapter portion
- intermediate section
- 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.)
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- 239000000463 material Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 26
- 238000003466 welding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical class [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000831 Steel Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010951 brass Chemical class 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910052742 iron Chemical class 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Chemical class 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a pipeline connecting device. A first pipe connecting part of the pipeline connecting device is internally provided with a first through hole; the middle part is internally provided with a second through hole; the middle part is connected with the first pipe connecting part; the second through hole is communicated with the first through hole, and the diameter of the first through hole is larger than that of the second through hole, so that the joint of the first through hole and the second through hole forms a stepped first positioning part; a second pipe connecting part is internally provided with a third through hole and connected with the middle part, and the third through hole is communicated with the second through hole; a third pipe connecting part is internally provided with a fourth through hole and connected with the first pipe connecting part, the middle part and the second pipe connecting part; and the fourth through hole and the second through hole form an internal through channel. The pipeline connecting device enables an internal pipe and an external pipe of an internal-external combined pipe to be connected, and enables substances between the internal pipe and the external pipe to be effectively separated; and the invention has simple technology and low fabrication cost.
Description
Technical field
The present invention relates to the pipeline connection area, be specifically related to a kind of pipeline connecting device.
Background technique
At present, the refrigeration agent of car air conditioner has brought huge harm for the destruction of environment for human survival to the mankind.Therefore the scheme of refrigeration agent that the refrigeration agent of car air conditioner is converted into environmentally safe is also more and more, all will use novel heat exchange method usually in the middle of these schemes.
But adopt this novel heat exchanger mode, just need the interior pipe of this inside and outside composite tube be connected with outer tube, and the material between interior pipe and the inner and outer pipes can effectively be separated.
The problem that exists is exactly not have a kind of effective and efficient manner that the interior pipe of inside and outside composite tube is connected with outer tube at present, and the material between interior pipe and the inner and outer pipes is effectively separated.
Summary of the invention
The problem that the present invention solves provides the pipeline connecting device that a kind of inside and outside composite tube connects, and the interior pipe to inside and outside composite tube is made up with outer tube or discrete the connection, and the material between interior pipe and the inner and outer pipes can effectively be separated.
In order to address the above problem, the invention provides a kind of pipeline connecting device, comprising: the first adapter portion, intermediate section portion, the second adapter portion and the 3rd adapter portion have first through hole in the described first adapter portion; Has second through hole in the described intermediate section portion, intermediate section portion links to each other with the first adapter portion, second through hole is communicated with first through hole, and first through-hole diameter is greater than second through-hole diameter, thereby forms the first step-like positioning part at first through hole and the second through hole joint; Have third through-hole in the described second adapter portion, the second adapter portion links to each other with intermediate section portion, and third through-hole is communicated with second through hole; Have fourth hole in described the 3rd adapter portion, the 3rd adapter portion links to each other with the first adapter portion, intermediate section portion and the second adapter portion, and fourth hole and inner passage of second through hole formation.
Further, described third through-hole diameter is less than second through-hole diameter.
Further, further comprise the 4th adapter portion between described second adapter portion and the intermediate section portion, has fifth hole in the 4th adapter portion, fifth hole and third through-hole coaxial communication, the fifth hole diameter is less than the third through-hole diameter, thereby forms the second step-like positioning part in the joint of fifth hole and third through-hole.
Further, also have in described the 3rd adapter portion and coaxial the 6th through hole that links to each other of fourth hole, make fourth hole between the 6th through hole and second through hole, the 6th through-hole diameter is greater than the fourth hole diameter, thereby forms the 3rd step-like positioning part at the 6th through hole and fourth hole joint.
Further, described the 6th through hole has chamfering.
Further, the axial angle of the described fourth hole and second through hole be 60 spend to 120 the degree.
Further, has the through hole of at least one fixed installation usefulness at least one plane of described pipeline connecting device or/and screw hole.
Further, described first through hole, third through-hole, fourth hole have chamfering.
Further, described pipeline connecting device is shaped as dihedral or rectangular.
Further, the material of described pipeline connecting device is an aluminum or aluminum alloy.
Further, described pipeline connecting device is a casting forming after machining forms.
Compared with prior art, major advantage of the present invention is: the interior pipe of inside and outside composite tube is connected with outer tube, and the material between interior pipe and the inner and outer pipes can effectively be separated;
Secondly, the pipeline connecting parts and the inside and outside composite tube of inside and outside composite tube of the present invention are connected firmly, and technology is simple, low cost of manufacture.
Description of drawings
By the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, feature and advantage of the present invention will be more clear.Reference character identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing in proportion, focus on illustrating purport of the present invention.
Fig. 1 is a pipeline connecting device sectional view according to an embodiment of the invention;
Fig. 2 a is according to the first kind of embodiment's of the present invention pipeline connecting device sectional view along K-K line shown in Figure 1;
Fig. 2 b is the partial sectional view that the pipeline connecting device shown in Fig. 2 a is connected with inside and outside composite tube;
Fig. 3 is according to the second kind of embodiment's of the present invention pipeline connecting device sectional view along K-K line shown in Figure 1;
Fig. 4 is according to the third embodiment's of the present invention pipeline connecting device sectional view along K-K line shown in Figure 1.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention is not subjected to the restriction of following public concrete enforcement.
Fig. 1 is the pipeline connecting device schematic representation of first embodiment according to the invention.Fig. 2 a is according to the first kind of embodiment's of the present invention pipeline connecting device sectional view along K-K line shown in Figure 1.
In the present embodiment, described pipeline connecting device is cast into dihedral for adopting, after machining forms pipeline connecting device as shown in Figure 1.The through hole 9 and the screw hole 8 that on two planes of pipeline connecting device, respectively have a fixed installation usefulness.Pipeline connecting device shown in Fig. 1 and Fig. 2 a comprises: the first adapter portion 10, intermediate section portion 11, the second adapter portion 12 and the 3rd adapter portion 13.
In the drawings, the part that the surface of dot and dash line and pipeline connecting device surrounds is divided the first adapter portion 10, intermediate section portion 11, the second adapter portion 12 and the 3rd adapter portion 13 respectively.
10 have the outer tube that columned first through hole, 20, the first through holes 20 are used for connecting inside and outside composite tube in the first adapter portion.When connecting inside and outside composite tube, the outer tube of inside and outside composite tube and first through hole, 20 coaxial being enclosed within first through hole 20, and with the first adapter portion 10 and described outer tube by welding fixing seal.
Have cylindric second through hole 21 in the intermediate section portion 11, intermediate section portion 11 links to each other with the first adapter portion 10, second through hole 21 and 20 coaxial connections of first through hole.When connecting inside and outside composite tube, the interior pipe of inside and outside composite tube enters in second through hole 21 of intermediate section portion 11, and runs through second through hole 21 and enter the second adapter portion 12.
Described first through hole 20 and 21 coaxial connections of second through hole, the first through-hole diameter A are called first positioning part 34 at first through hole 20 and second through hole, 21 joints with regard to forming step-like position like this greater than the second through-hole diameter B.After the outer tube of inner and outer pipes enters in first through hole 20, combine closely with the sidewall of first through hole 20 of the first adapter portion 10, be stuck in the position of first positioning part 34, again with outer tube and the first adapter portion 10 by the welding fixing seal.
Has cylindric the 3rd through hole 22 in the second adapter portion 12.The second adapter portion 12 links to each other with intermediate section portion 11, the 3rd through hole 22 and 21 coaxial connections of second through hole.When connecting inside and outside composite tube, the interior pipe of inside and outside composite tube runs through second through hole 21 and enters the 3rd through hole 22, described in the external diameter of pipe suitable with the diameter of the 3rd through hole 22, and with the second adapter portion 12 with described in pipe by welding fixing seal.
Has cylindric fourth hole 23 in the 3rd adapter portion 13, the 3rd adapter portion 13 links to each other with the first adapter portion 10, intermediate section portion 11 and the second adapter portion 12, and the central shaft vertical connection of the fourth hole 23 and second through hole 21 is in inner passage of the inner formation of described pipeline connecting device.
Further, the diameter C of the second adapter portion, 12 interior third through-holes 22 is less than the diameter B of intermediate section portion 11 second through holes 21.
Further described pipeline connecting device is made by aluminum alloy material.In addition, the material of described pipeline connecting device can be aluminium, brass or iron and steel class material.
In addition, the axial angle of the described fourth hole 23 and second through hole 21 can for 60 spend to 120 the degree between arbitrarily angled.
In addition, described pipeline connecting device shape can be rectangular or other required form.
In another embodiment, the through hole that at least one plane, has at least one installation usefulness of described pipeline connecting device.
In another embodiment, the screw hole that at least one plane, has at least one installation usefulness of described pipeline connecting device.
Fig. 2 b is the partial sectional view that the pipeline connecting device shown in Fig. 2 a is connected with inside and outside composite tube.Pipeline connecting device shown in Fig. 2 b is the first adapter portion 10, intermediate section portion 11, the second adapter portion 11 and the 3rd integral body of adapter portion 13 for adopting die casting to form.
When pipeline connecting device connects inside and outside composite tube, the external diameter of the outer tube 1 of inside and outside composite tube is suitable with the diameter of first through hole 20, coaxial being enclosed within first through hole 20, outer tube 1 puts in first through hole 20, be stuck in first positioning part 34, and with the first adapter portion 10 of pipeline connecting device mode fixing seal by welding.Soldering point 3 shown in Fig. 2 b makes outer tube 1 be connected with the first adapter portion 10.And outer tube 1 is communicated with first through hole 20.Interior pipe 2 also puts in first through hole 20 in outer tube 1, the diameter of interior pipe 2 is less than the diameter of second through hole 21, and therefore interior pipe 2 enters second through hole 21.
In addition, second through hole 21 is communicated with first through hole 20; Third through-hole 22 is communicated with second through hole 21, and interior pipe 2 external diameters of inside and outside composite tube are suitable with the diameter of the 3rd through hole, is enclosed within the 3rd through hole 22, and extends the 3rd through hole 22 vertically, with the mode fixing seal of the second adapter portion 12 by welding;
Materials in the interior pipe 2 pass first through hole, 20, the second through holes, 21, the 3 through holes 22 along interior pipe 2 and flow out pipeline connecting devices.
Fig. 3 is according to the second kind of embodiment's of the present invention pipeline connecting device sectional view along K-K line shown in Figure 1.Pipeline connecting device as shown in Figure 3 comprises: the first adapter portion 10, intermediate section portion 11, the second adapter portion 12 and the 3rd adapter portion 13.
In the drawings, the part that the surface of dot and dash line and pipeline connecting device surrounds is divided the first adapter portion 10, intermediate section portion 11, the second adapter portion 12, the 3rd adapter portion 13 and the 4th adapter portion 14 respectively.
10 have columned first through hole 20 in the first adapter portion, have cylindric second through hole 21 in the intermediate section portion 11, and intermediate section portion 11 links to each other with the first adapter portion 10, and second through hole 21 is communicated with first through hole 20.Described first through hole 20 and 21 coaxial connections of second through hole, the first through-hole diameter A are called first positioning part at first through hole 20 and second through hole, 21 joints with regard to forming step-like position like this greater than the second through-hole diameter B.Wherein, described pipeline connecting device also comprises in 14, the four adapter portions 14 of the 4th adapter portion having cylindric fifth hole 24.The 4th adapter portion 14 is between the intermediate section portion 11 and the second adapter portion 12, and fifth hole 24 is communicated with second through hole 21 and third through-hole 22, and the diameter D of fifth hole 24 is less than the diameter C of third through-hole 22.Thereby, have the second step-like positioning part 35 in the joint of fifth hole 24 and third through-hole 22.When described pipeline connecting device is connected with inside and outside composite tube, from third through-hole 22 connecting tube that to put in a diameter be C, connecting tube withstands on 35 places, second positioning part, and weld fixing with the second adapter portion, and the interior pipe of connecting tube and inside and outside composite tube couples together, perhaps be communicated with by fifth hole 24, the material of pipe flows into connecting tube in making.
In another embodiment, also has cylindric the 6th through hole 25 in the 3rd adapter portion 13, the 6th through hole 25 and 23 coaxial connections of fourth hole, the 6th through hole 25 diameter F are greater than fourth hole 23 diameter E, thereby, form the 3rd step-like positioning part 36 in the 6th through hole 25 and fourth hole 23 joints.When described pipeline connecting device is connected with inside and outside composite tube, diameter puts in the step place that the 6th through hole 25 is stuck in the 3rd positioning part 36 near the connecting tube of F, described connecting tube and 13 welding of the 3rd adapter portion are fixing, and connecting tube is communicated with fourth hole 23, and the material inside and outside making between the inner and outer pipes of composite tube flows into connecting tube.
Fig. 4 is according to the third embodiment's of the present invention pipeline connecting device sectional view along K-K line shown in Figure 1.In the drawings, the part that the surface of dot and dash line and pipeline connecting device surrounds is divided the first adapter portion 10, intermediate section portion 11, the second adapter portion 12 and the 3rd adapter portion 13 respectively
Pipeline connecting device as shown in Figure 4 comprises: the first adapter portion, intermediate section portion, the second adapter portion and the 3rd adapter portion have first through hole 20 in the described first adapter portion; Has second through hole 21 in the described intermediate section portion, intermediate section portion links to each other with the first adapter portion, second through hole 21 is communicated with first through hole 20, and first through hole, 20 diameters are greater than second through hole, 21 diameters, thereby forms the first step-like positioning part at first through hole 20 and second through hole, 21 joints; Have third through-hole 22, the second adapter portions in the described second adapter portion and link to each other with intermediate section portion, third through-hole 22 is communicated with second through hole 21; Have fourth hole 23, the three adapter portions in described the 3rd adapter portion and link to each other with the first adapter portion, intermediate section portion and the second adapter portion, and fourth hole 23 and inner passage of second through hole, 22 formation.
The position that is communicated with the pipeline connecting device surface of described first through hole 20, third through-hole 22, fourth hole 23 has chamfering 5, the end such as the horn shape that stretch out the pipeline connecting device surface of through hole as shown in the figure, the cross section is trapezoidal, has made things convenient for the interior pipe of described pipeline connecting device and inside and outside composite tube, the welding of outer tube to fix like this.And make described pipeline connecting device more firm when welding with the outside pipeline that is connected.
In another embodiment, also have in described the 3rd adapter portion and coaxial the 6th through hole that links to each other of fourth hole, make fourth hole between the 6th through hole and second through hole, the 6th through hole is communicated with the surface of described device, has chamfering at the 6th through hole with the port that the surface of pipeline connecting device is communicated with, as shown in Figure 4, as horn shape, the cross section is trapezoidal.Made things convenient for the interior pipe of described pipeline connecting device and inside and outside composite tube, the welding of outer tube to fix like this.
Pipeline connecting device of the present invention carries out machining after can adopting die casting or forging mode to be shaped again, easily manufactured like this and cost is lower, adopt pipeline connecting device of the present invention to be connected in addition with the mode that inside and outside composite tube directly welds, can once weld success as direct employing stove weldering, manufacture process is simple relatively like this, and manufacture cost is lower.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art, do not breaking away under the technical solution of the present invention scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all still belongs in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (11)
1, a kind of pipeline connecting device is characterized in that: described pipeline connecting device comprises: the first adapter portion, intermediate section portion, the second adapter portion and the 3rd adapter portion,
Has first through hole in the described first adapter portion;
Has second through hole in the described intermediate section portion, intermediate section portion links to each other with the first adapter portion, second through hole is communicated with first through hole, and first through-hole diameter is greater than second through-hole diameter, thereby forms the first step-like positioning part at first through hole and the second through hole joint;
Have third through-hole in the described second adapter portion, the second adapter portion links to each other with intermediate section portion, and third through-hole is communicated with second through hole;
Have fourth hole in described the 3rd adapter portion, the 3rd adapter portion links to each other with the first adapter portion, intermediate section portion and the second adapter portion, and fourth hole and inner passage of second through hole formation.
2, pipeline connecting device according to claim 1 is characterized in that: described third through-hole diameter is less than second through-hole diameter.
3, pipeline connecting device according to claim 1, it is characterized in that: further comprise the 4th adapter portion between described second adapter portion and the intermediate section portion, has fifth hole in the 4th adapter portion, fifth hole and third through-hole coaxial communication, the fifth hole diameter is less than the third through-hole diameter, thereby forms the second step-like positioning part in the joint of fifth hole and third through-hole.
4, according to the pipeline connecting device described in the claim 1, it is characterized in that: also have six through hole coaxial in described the 3rd adapter portion with fourth hole, make fourth hole between the 6th through hole and second through hole, the 6th through-hole diameter is greater than the fourth hole diameter, thereby forms the 3rd step-like positioning part at the 6th through hole and fourth hole joint.
5, according to the pipeline connecting device described in the claim 4, described the 6th through hole has chamfering.
6, according to each described pipeline connecting device in the claim 1 to 5, it is characterized in that: the axial angle of the described fourth hole and second through hole be 60 spend to 120 the degree.
7, according to each described pipeline connecting device in the claim 1 to 5, it is characterized in that: the through hole that has at least one fixed installation usefulness at least one plane of described pipeline connecting device is or/and screw hole.
8, according to each described pipeline connecting device in the claim 1 to 3, it is characterized in that: described first through hole, third through-hole, fourth hole have chamfering.
9, according to each described pipeline connecting device in the claim 1 to 5, it is characterized in that: described pipeline connecting device is shaped as dihedral or rectangular.
10, according to each described pipeline connecting device in the claim 1 to 5, it is characterized in that: the material of described pipeline connecting device is an aluminum or aluminum alloy.
11, according to each described pipeline connecting device in the claim 1 to 5, it is characterized in that: described pipeline connecting device is a casting forming after machining forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100002976A CN101498393A (en) | 2008-01-30 | 2008-01-30 | Pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100002976A CN101498393A (en) | 2008-01-30 | 2008-01-30 | Pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101498393A true CN101498393A (en) | 2009-08-05 |
Family
ID=40945594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100002976A Pending CN101498393A (en) | 2008-01-30 | 2008-01-30 | Pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101498393A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649555A (en) * | 2011-04-08 | 2014-03-19 | 阿克森Ep股份有限公司 | Improved fluid end manifolds and fluid end manifold assemblies |
| CN104565641A (en) * | 2013-10-25 | 2015-04-29 | 上海汽车空调配件有限公司 | Pipe body connecting part for connecting coaxial pipe and aluminum pipe and connecting method thereof |
| CN112709878A (en) * | 2020-12-25 | 2021-04-27 | 浙江启尔机电技术有限公司 | Double-layer pipe quick joint |
| CN113324121A (en) * | 2020-02-28 | 2021-08-31 | 盾安环境技术有限公司 | Flange, valve assembly and vehicle refrigerating system |
-
2008
- 2008-01-30 CN CNA2008100002976A patent/CN101498393A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649555A (en) * | 2011-04-08 | 2014-03-19 | 阿克森Ep股份有限公司 | Improved fluid end manifolds and fluid end manifold assemblies |
| US9310011B2 (en) | 2011-04-08 | 2016-04-12 | Axon Ep, Inc. | Fluid end manifolds and fluid end manifold assemblies |
| US9939097B2 (en) | 2011-04-08 | 2018-04-10 | Afglobal Corporation | Fluid end manifolds and fluid end manifold assemblies |
| CN104565641A (en) * | 2013-10-25 | 2015-04-29 | 上海汽车空调配件有限公司 | Pipe body connecting part for connecting coaxial pipe and aluminum pipe and connecting method thereof |
| CN113324121A (en) * | 2020-02-28 | 2021-08-31 | 盾安环境技术有限公司 | Flange, valve assembly and vehicle refrigerating system |
| CN112709878A (en) * | 2020-12-25 | 2021-04-27 | 浙江启尔机电技术有限公司 | Double-layer pipe quick joint |
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Owner name: ZHEJIANG SHANHUA AUTOMOBILE COMPONENTS CO., LTD. Free format text: FORMER OWNER: ZHEJIANG SANHUA AUTOMOBILE CONTROL SYSTEM CO., LTD. Effective date: 20110525 |
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Free format text: CORRECT: ADDRESS; FROM: 310018 SANHUA INDUSTRIAL PARK, NO. 60, NO. 21 STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 310018 NO. 60, NO. 21 STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, HANGZHOU CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20110525 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60 Applicant after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018 three flower Industrial Park, No. 21, 60 Avenue, Hangzhou economic and Technological Development Zone, Zhejiang Applicant before: Zhejiang Sanhua Auto Control System Co., Ltd. |
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Open date: 20090805 |