CN109340488A - A kind of steel flange limit telescopic connector - Google Patents
A kind of steel flange limit telescopic connector Download PDFInfo
- Publication number
- CN109340488A CN109340488A CN201811393870.4A CN201811393870A CN109340488A CN 109340488 A CN109340488 A CN 109340488A CN 201811393870 A CN201811393870 A CN 201811393870A CN 109340488 A CN109340488 A CN 109340488A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- flange
- fixing pipe
- limit telescopic
- telescopic connector
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 230000000694 effects Effects 0.000 claims description 5
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/162—Flanged joints characterised by the sealing means the pipe ends abutting each other
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The present invention relates to flanged joint technical fields, and disclose a kind of steel flange limit telescopic connector, including connecting tube, the outer surface fixing sleeve of the connecting tube is connected to left flange, the quantity of the left flange is two, one end movable sleeve of the connecting tube is connected to fixing pipe, the outer surface fixing sleeve of the fixing pipe is connected to right flange, the quantity of the right flange is two, the outer surface of the left flange and right flange opens up hole, there is threaded rod in the outer surface of the left flange and right flange by hole pivot bush unit, the outer surface thread of threaded rod is socketed with nut, the quantity of one threaded rod is four.The steel flange limit telescopic connector, fitted bolt again, so that positioning ring is wrapped in the junction of connecting tube and fixing pipe, and it is sealed by sealing strip, reduce the entrance of external substance, to reduce erosion of the external environment to outermost sealing ring, have the function that improve device leakproofness.
Description
Technical field
The present invention relates to flanged joint technical field, specially a kind of steel flange limit telescopic connector.
Background technique
Limit expansion joint is the new product that the equipment such as pump, valve are connect with pipeline, they are connected by full bolt
Come, becomes an entirety, and have certain displacement, it thus can be in installation and maintenance, according to in-site installation size
It is adjusted, at work, axial thrust can be passed also to entire pipeline, not only improve working efficiency in this way, but also be directed to
The equipment such as pump, valve play certain protective role, and flange limit expansion joint is a kind of utensil applied to flange seal, are
It avoids flange limit expansion joint from being corroded, is cast using stainless steel material, use time so as to improve connector.
But after pine set telescopic joint is mounted on pipeline by existing steel flange limit telescopic connector, tighten nut
Elastic seal ring relies on mutual gradient under the action of nut gland, is pressed on pipe outer ring and plays sealing and connection function, so
And the leakproofness of sealing ring changes with the time used, and the acidic materials in soil can be connect by junction and sealing ring
Touching, to corrode sealing ring, causes the leakproofness of sealing ring to weaken.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of steel flange limit telescopic connector, has raising
The advantages of leakproofness, the leakproofness for solving sealing ring changes with the time used, and the acidic materials in soil can lead to
It crosses junction to contact with sealing ring, to corrode sealing ring, the leakproofness of sealing ring is caused to weaken problem.
The invention provides the following technical scheme: a kind of steel flange limit telescopic connector, including connecting tube, the company
The outer surface fixing sleeve of adapter tube is connected to left flange, and the quantity of the left flange is two, one end pivot bush unit of the connecting tube
There is fixing pipe, the outer surface fixing sleeve of the fixing pipe is connected to right flange, and the quantity of the right flange is two, the left flange
Hole is opened up with the outer surface of right flange, and there is screw thread in the outer surface of the left flange and right flange by hole pivot bush unit
Bar, the outer surface thread of the threaded rod are socketed with nut, and the quantity of a threaded rod is four, two nuts
One side contacts of side and left flange, the side of nut described in another two and a side contacts of right flange, the one of the connecting tube
End movable sleeve is connected to positioning ring, and one end of the connecting tube passes through one end pivot bush unit of positioning ring and fixing pipe.
Preferably, the bottom of the positioning ring is fixedly installed with sealing strip, and the both ends of the sealing strip are fixedly installed with
Fixed block, screw thread is socketed with bolt between two fixed blocks.
Preferably, the quantity of the sealing strip is two, and the bottom of sealing strip and the outer surface of connecting tube connect
Touching, the bottom of another sealing strip and the appearance face contact of fixing pipe.
Preferably, one end of the connecting tube and fixing pipe offers circular trough, and the quantity of the circular trough is four,
Four circular troughs are evenly distributed on one end of connecting tube and fixing pipe.
Preferably, the internal activity of the circular trough is socketed with sealing ring, and the quantity of the sealing ring is two, the company
The circular trough of adapter tube one end is contacted by sealing ring with the circular trough of fixing pipe one end.
Preferably, the outer surface thread of the fixing pipe is socketed with screw rod, and fixing pipe and company are run through in one end of the screw rod
The outer surface thread of adapter tube is socketed.
Be compared with the prior art, the present invention have it is following the utility model has the advantages that
The steel flange limit telescopic connector, by opening up for circular trough, so that the position of sealing ring is convenient for placing,
Sealing ring is mobile after avoiding connecting tube from connecting with fixing pipe, so that the sealing effect of sealing ring is influenced, and connecting tube utilizes sealing
Circle is contacted with fixing pipe, so that sealing is kept between connecting tube and fixing pipe, using two groups of sealing rings to connecting tube and fixing pipe
Junction be sealed, further increase the leakproofness of device, and the outermost sealing ring isolation external world makes the close of inner layer
Seal is in a good environment, avoids the sealing ring of inner layer from being etched, then fitted bolt, so that positioning ring is wrapped in company
The junction of adapter tube and fixing pipe, and be sealed by sealing strip, the entrance of external substance is reduced, to reduce external environment
Erosion to outermost sealing ring has haved the function that improve device leakproofness.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the side view of positioning ring.
In figure: 1, connecting tube；2, left flange；3, fixing pipe；4, right flange；5, threaded rod；6, positioning ring；7, nut；8,
Sealing strip；9, fixed block；10, bolt；11, circular trough；12, sealing ring；13, screw rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of steel flange limit telescopic connector referring to FIG. 1-2, including connecting tube 1, the outer surface of connecting tube 1
Fixing sleeve is connected to left flange 2, and the quantity of left flange 2 is two, and one end movable sleeve of connecting tube 1 is connected to fixing pipe 3, fixing pipe 3
Outer surface fixing sleeve be connected to right flange 4, the quantity of right flange 4 is two, and the outer surface of left flange 2 and right flange 4 opens up
There are threaded rod 5, the outer surface thread of threaded rod 5 in the outer surface of hole, left flange 2 and right flange 4 by hole pivot bush unit
It is socketed with nut 7, fixes the position of left flange 2 and right flange 4 by nut 7, to make the position of connecting tube 1 and fixing pipe 3
Fixation is set, so that pinch seal circle 12, avoids being detached between connecting tube 1 and fixing pipe 3, influences leakproofness, threaded rod 5
Quantity is four, a side contacts of the side of two nuts 7 and left flange 2, the side of another two nut 7 and the one of right flange 4
Side contacts, one end movable sleeve of connecting tube 1 are connected to positioning ring 6, and one end of connecting tube 1 passes through one end of positioning ring 6 and fixing pipe 3
Pivot bush unit, the bottom of positioning ring 6 are fixedly installed with sealing strip 8, and the both ends of sealing strip 8 are fixedly installed with fixed block 9, and two
Screw thread is socketed with bolt 10, fitted bolt 10 between fixed block 9, so that positioning ring 6 is wrapped in the company of connecting tube 1 and fixing pipe 3
Place is met, and is sealed by sealing strip 8, the entrance of external substance is reduced, to reduce external environment to outermost sealing
The erosion of circle 12, the quantity of sealing strip 8 are two, the bottom of a sealing strip 8 and the appearance face contact of connecting tube 1, another
One end of the bottom of sealing strip 8 and the appearance face contact of fixing pipe 3, connecting tube 1 and fixing pipe 3 offers circular trough 11, circle
The quantity of shape slot 11 is four, and four circular troughs 11 are evenly distributed on one end of connecting tube 1 and fixing pipe 3, pass through circular trough 11
Open up so that the position of sealing ring 12 is convenient for placing, sealing ring 12 is mobile after avoiding connecting tube 1 and fixing pipe 3 from connecting, thus
The sealing effect of sealing ring 12 is influenced, the internal activity of circular trough 11 is socketed with sealing ring 12, and the quantity of sealing ring 12 is two,
The circular trough 11 of 1 one end of connecting tube is contacted by sealing ring 12 with the circular trough 11 of 3 one end of fixing pipe, and two groups of sealing rings 12 are utilized
The junction of connecting tube 1 and fixing pipe 3 is sealed, the leakproofness of device, and outermost sealing ring 12 are further increased
The isolation external world is in the sealing ring 12 of inner layer in a good environment, and the sealing ring 12 of inner layer is avoided to be etched, fixed
The outer surface thread of pipe 3 is socketed with screw rod 13, and one end of screw rod 13 is socketed through the outer surface thread of fixing pipe 3 and connecting tube 1,
It is fixed using position of the screw rod 13 to connecting tube 1 and fixing pipe 3, avoids the nut 7 of threaded rod 5 from loosening, so that connecting tube 1
Become larger with the connector of fixing pipe 3, cause sealing ring 12 to fall off, have the function that positioning, solves the leakproofness of sealing ring 12
The case where of change with the time used, and the acidic materials in soil can be contacted by junction with sealing ring 12, thus
Corrode sealing ring 12, the leakproofness of sealing ring 12 is caused to weaken problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of steel flange limit telescopic connector, including connecting tube (1), it is characterised in that: outside the connecting tube (1)
Surface fixing sleeve is connected to left flange (2), and the quantity of the left flange (2) is two, one end pivot bush unit of the connecting tube (1)
Have fixing pipe (3), the outer surface fixing sleeve of the fixing pipe (3) is connected to right flange (4), and the quantity of the right flange (4) is two
A, the outer surface of the left flange (2) and right flange (4) opens up hole, the left flange (2) and right flange (4) it is outer
Surface has threaded rod (5) by hole pivot bush unit, and the outer surface thread of the threaded rod (5) is socketed with nut (7), an institute
The quantity for stating threaded rod (5) is four, the side of two nuts (7) and a side contacts of left flange (2), described in another two
The side of nut (7) and a side contacts of right flange (4), one end movable sleeve of the connecting tube (1) are connected to positioning ring (6), institute
The one end for stating connecting tube (1) passes through one end pivot bush unit of positioning ring (6) and fixing pipe (3).
2. a kind of steel flange limit telescopic connector according to claim 1, it is characterised in that: the positioning ring
(6) bottom is fixedly installed with sealing strip (8), and the both ends of the sealing strip (8) are fixedly installed with fixed block (9), two institutes
It states screw thread between fixed block (9) and is socketed with bolt (10).
3. a kind of steel flange limit telescopic connector according to claim 2, it is characterised in that: the sealing strip
(8) quantity is two, the bottom of a sealing strip (8) and the appearance face contact of connecting tube (1), another described sealing
The bottom of item (8) and the appearance face contact of fixing pipe (3).
4. a kind of steel flange limit telescopic connector according to claim 1, it is characterised in that: the connecting tube
(1) it is offered circular trough (11) with one end of fixing pipe (3), the quantity of the circular trough (11) is four, four circles
Shape slot (11) is evenly distributed on one end of connecting tube (1) and fixing pipe (3).
5. a kind of steel flange limit telescopic connector according to claim 4, it is characterised in that: the circular trough
(11) internal activity is socketed with sealing ring (12), and the quantity of the sealing ring (12) is two, described connecting tube (1) one end
Circular trough (11) is contacted by sealing ring (12) with the circular trough (11) of fixing pipe (3) one end.
6. a kind of steel flange limit telescopic connector according to claim 1, it is characterised in that: the fixing pipe
(3) outer surface thread is socketed with screw rod (13), and one end of the screw rod (13) is through the outer of fixing pipe (3) and connecting tube (1)
The socket of surface screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393870.4A CN109340488A (en) | 2018-11-21 | 2018-11-21 | A kind of steel flange limit telescopic connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393870.4A CN109340488A (en) | 2018-11-21 | 2018-11-21 | A kind of steel flange limit telescopic connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340488A true CN109340488A (en) | 2019-02-15 |
Family
ID=65316968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811393870.4A Pending CN109340488A (en) | 2018-11-21 | 2018-11-21 | A kind of steel flange limit telescopic connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606417A (en) * | 2021-08-04 | 2021-11-05 | 远大阀门集团有限公司 | Universal screw limiting type pipeline compensation joint with indicating mechanism |
| CN115104437A (en) * | 2022-06-20 | 2022-09-27 | 上海景好建筑工程股份有限公司 | Novel stainless steel air pipe for grain storage of low-temperature granary |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284898Y (en) * | 1997-06-02 | 1998-06-24 | 锡山市管道附件厂 | Limit expansion joint |
| CN201401582Y (en) * | 2009-03-24 | 2010-02-10 | 江苏奎泽机械工业有限公司 | Inner nozzle-type expansion joint |
| KR100998358B1 (en) * | 2010-09-09 | 2010-12-06 | 주식회사 서일탑스코 | Expansion joint |
| CN204284739U (en) * | 2014-11-05 | 2015-04-22 | 无锡市明富管道附件有限公司 | Scalable pair of flange force transmission joint |
| CN106151717A (en) * | 2015-03-27 | 2016-11-23 | 袁丽明 | A kind of anticorrosion bump joint |
| CN206988638U (en) * | 2017-06-19 | 2018-02-09 | 焦作万瑞工贸有限公司 | A kind of double flange limit expansion joints of new high-bearing capacity |
| CN207514445U (en) * | 2017-12-05 | 2018-06-19 | 东莞市工匠五金有限公司 | A kind of Hardware fitting for valve connection |
| CN209180537U (en) * | 2018-11-21 | 2019-07-30 | 泰州华然不锈钢制品有限公司 | A kind of steel flange limit telescopic connector |
-
2018
- 2018-11-21 CN CN201811393870.4A patent/CN109340488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284898Y (en) * | 1997-06-02 | 1998-06-24 | 锡山市管道附件厂 | Limit expansion joint |
| CN201401582Y (en) * | 2009-03-24 | 2010-02-10 | 江苏奎泽机械工业有限公司 | Inner nozzle-type expansion joint |
| KR100998358B1 (en) * | 2010-09-09 | 2010-12-06 | 주식회사 서일탑스코 | Expansion joint |
| CN204284739U (en) * | 2014-11-05 | 2015-04-22 | 无锡市明富管道附件有限公司 | Scalable pair of flange force transmission joint |
| CN106151717A (en) * | 2015-03-27 | 2016-11-23 | 袁丽明 | A kind of anticorrosion bump joint |
| CN206988638U (en) * | 2017-06-19 | 2018-02-09 | 焦作万瑞工贸有限公司 | A kind of double flange limit expansion joints of new high-bearing capacity |
| CN207514445U (en) * | 2017-12-05 | 2018-06-19 | 东莞市工匠五金有限公司 | A kind of Hardware fitting for valve connection |
| CN209180537U (en) * | 2018-11-21 | 2019-07-30 | 泰州华然不锈钢制品有限公司 | A kind of steel flange limit telescopic connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606417A (en) * | 2021-08-04 | 2021-11-05 | 远大阀门集团有限公司 | Universal screw limiting type pipeline compensation joint with indicating mechanism |
| CN113606417B (en) * | 2021-08-04 | 2024-04-30 | 远大阀门集团有限公司 | General screw limiting type pipeline compensation joint with indicating mechanism |
| CN115104437A (en) * | 2022-06-20 | 2022-09-27 | 上海景好建筑工程股份有限公司 | Novel stainless steel air pipe for grain storage of low-temperature granary |
| CN115104437B (en) * | 2022-06-20 | 2024-06-04 | 上海景好建筑工程股份有限公司 | Stainless steel air pipe for grain storage of low-temperature granary |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109268595A (en) | A kind of fluid pipeline steel flange component | |
| CN209180537U (en) | A kind of steel flange limit telescopic connector | |
| CN109340488A (en) | A kind of steel flange limit telescopic connector | |
| CN209180535U (en) | A kind of fluid pipeline steel flange component | |
| CN203292150U (en) | Pipeline cleaning device | |
| CN108150743A (en) | A kind of long-life tube pipe connecting | |
| CN205745740U (en) | A kind of conduit coupling of good airproof performance | |
| CN210344667U (en) | Elbow pipeline quick joint | |
| CN109296850A (en) | It is a kind of can more root canal roads simultaneously connect multi-pipeline connecting flange | |
| CN211693934U (en) | Wear-resisting four-way pipe | |
| CN208750252U (en) | A kind of PPR can quick connection water pipe elbow | |
| CN201343748Y (en) | Launching flexible pipe connector | |
| CN209229186U (en) | It is a kind of can more root canal roads simultaneously connect multi-pipeline connecting flange | |
| CN209180534U (en) | A kind of steel flange of leakproof jacketed pipe connection | |
| CN209084287U (en) | Anticorrosive external member of wall pipeline | |
| CN208455779U (en) | A kind of high-intensity connecting device of rainwater sewage combined pipeline | |
| CN205479813U (en) | Simple to operate's stainless steel pipe fittings | |
| CN209725558U (en) | One kind being convenient for clean assembly type tee pipe fitting | |
| CN207660032U (en) | A kind of gardens drainpipe being conveniently replaceable | |
| CN205879452U (en) | Experimental flange of valve seal nature and valve seal nature test device | |
| CN2222844Y (en) | Glandless flange connection device for pipe | |
| CN2320867Y (en) | Pipe joint | |
| CN219809579U (en) | Industrial gas recycling and conveying pipeline | |
| CN210831444U (en) | Drainer for gas pipeline of industrial factory building | |
| CN217382028U (en) | Pipeline connecting piece for building of factory building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 225300 Shen Nan Road, Shenlun Industrial Concentration Zone, Xinghua City, Taizhou City, Jiangsu Province Applicant after: Taizhou Huaran Metal Products Co.,Ltd. Address before: 225715 Shennan Road, Shenlun Industrial Concentration Zone, Xinghua City, Taizhou City, Jiangsu Province Applicant before: TAIZHOU HUARAN STAINLESS STEEL PRODUCTS Co.,Ltd. Country or region before: China |