CN106809596A - Abrasion resistant type conveyer belt - Google Patents
Abrasion resistant type conveyer belt Download PDFInfo
- Publication number
- CN106809596A CN106809596A CN201710113236.XA CN201710113236A CN106809596A CN 106809596 A CN106809596 A CN 106809596A CN 201710113236 A CN201710113236 A CN 201710113236A CN 106809596 A CN106809596 A CN 106809596A
- Authority
- CN
- China
- Prior art keywords
- glue layer
- layer
- conveyer belt
- projection
- upper glue
- 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
- 238000005299 abrasion Methods 0.000 title claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 93
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 14
- 239000005060 rubber Substances 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 7
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 106
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2433/00—Closed loop articles
- B32B2433/02—Conveyor belts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
The present invention relates to a kind of conveyer belt, disclose a kind of abrasion resistant type conveyer belt, it includes upper glue layer (1), sandwich layer (2) and lower glue layer (3), and wear-resistant coating is coated with the upper surface of upper glue layer (1) and the lower surface of lower glue layer (3)；The bottom of upper glue layer (1) is provided with the zipper (4) of mutual cooperation with the top of sandwich layer (2) on side wall along its length, the lower surface of upper glue layer (1) is provided with the projection (11) for being evenly arranged and being obliquely installed relative to the lower surface of upper glue layer (1), and the upper surface of sandwich layer (2) is provided with the shrinkage pool (21) coordinated with projection (11).Conveyer belt in the present invention has good anti-wear performance, and upper lower glue layer can be changed again, fully ensures that the performance of conveyer belt.
Description
Technical field
The present invention relates to a kind of conveyer belt, more particularly to a kind of abrasion resistant type conveyer belt.
Background technology
Conveyer belt, is for acting the rubber and fiber, metal composite system that carry and transport material in belt conveyor
Product, or the compound product of plastics and fabric, it is widely used in defeated in the industries such as agricultural, industrial and mining enterprises and transportation
The distance less occasion of shorter, conveying capacity is sent, it has for the transport of various solid blocks and powder shape material or work piece
The features such as having energy serialization, high efficiency, high-inclination conveying, while conveyer belt safe operation, easy to use, maintenance is easy, freight charges
It is cheap, and can effectively shorten transportation range, construction costs is reduced, use manpower and material resources sparingly.
Existing conveyer belt causes to produce friction in motion process due to its upper surface and transported object directly contact,
Lower surface and roller directly contact, thus after long-term use, the upper and lower surface of conveyer belt is easy to wear, causes conveying
The service life reduction of band.
The content of the invention
The present invention is for conveyer belt problem easy to wear in the prior art, there is provided a kind of abrasion resistant type conveyer belt.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
Abrasion resistant type conveyer belt, including set gradually from top to bottom and be made by elastomeric material upper glue layer, sandwich layer and under
Wear-resistant coating is coated with glue-line, the upper surface of upper glue layer and the lower surface of lower glue layer；The bottom of upper glue layer and sandwich layer
Top is provided with the zipper of mutual cooperation on side wall along its length, the lower surface of upper glue layer be provided be evenly arranged and
Relative to the projection that the lower surface of upper glue layer is obliquely installed, the upper surface of sandwich layer is provided with the shrinkage pool coordinated with projection, and projection is inserted
Enter in shrinkage pool；Projection includes the insertion end being fixed in the bottom on upper glue layer lower surface and insertion shrinkage pool, and projection is in cone
And be gradually reduced from bottom to insertion end radius；It is set to connect with sandwich layer in the form of slide fastener by by upper glue layer and lower glue layer
Connect, so as to may be such that upper glue layer and lower glue layer being capable of quick-replaceables；Simultaneously by setting projection and shrinkage pool to incline the side of grafting
Formula can be realized to upper glue layer or lower glue layer perpendicular to conveyer belt in-plane and the limit in projection Yu shrinkage pool grafting direction
Position, with the stability for ensureing to be connected between upper glue layer or lower glue layer and sandwich layer.
Preferably, the lower surface of upper glue layer is provided with the raised line along upper glue layer width, raised line is arranged at upper glue layer
On along projection insertion shrinkage pool direction of insertion leading section, the upper surface of sandwich layer is provided with the groove coordinated with raised line, and when convex
Bar is snapped in when in groove, and upper glue layer is flushed with sandwich layer two ends；Connected mode and upper glue layer and sandwich layer between lower glue layer and sandwich layer
Between connected mode it is identical.By the cooperation of raised line and groove ensure that conveyer belt changed upper glue layer or lower glue layer it
The flatness at conveyer belt two ends afterwards, to ensure the comprehensive connective stability of whole conveyer belt.
Preferably, sandwich layer includes rubber matrix layer and is respectively arranged at the sail of rubber matrix layer upper and lower surface
Layer of cloth.
Preferably, being in 30-45 ° of angle between the axis of projection and the lower surface of upper glue layer.By bump design into this kind
Angle, on the one hand enables to projection to be inserted into shrinkage pool the flatness that can at utmost ensure conveyer belt two ends, the opposing party
Face falls within to reach carries out spacing best angle to upper glue layer or lower glue layer.
Preferably, the upper surface of upper glue layer is provided with anchor hook, anchor hook is head in T-shaped flat of plane and section
Head anchor hook, can play certain position-limiting action further such that the goods on conveyer belt is difficult to drop to goods, reduce defeated
Send the movement for taking goods.
The present invention as a result of above technical scheme, with significant technique effect：
By the way that conveyer belt designed, the upper and lower glue-line of length is detachable to be connected on sandwich layer the present invention, and in upper glue layer
Wearing layer is set on upper surface so that conveyer belt is that, with good anti-wear performance, upper lower glue layer can be changed again, is filled
Code insurance demonstrate,proves the performance of conveyer belt.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of upper glue layer in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 center core layers.
Fig. 4 is the structural representation of lower glue layer in Fig. 1.
The toponym that each number designation is referred in accompanying drawing is as follows：1-upper glue layer, 2-sandwich layer, 3-lower glue layer, 4-
Zipper, 11-projection, 12-raised line, 21-shrinkage pool, 22-groove, 23-rubber matrix layer, 24-canvas layer, 110-
Bottom, 111-insertion end, 120-anchor hook.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Abrasion resistant type conveyer belt, as Figure 1-Figure 4, including set gradually from top to bottom and by elastomeric material be made it is upper
Wear-resistant coating, core are coated with glue-line 1, sandwich layer 2 and lower glue layer 3, the upper surface of upper glue layer 1 and the lower surface of lower glue layer 3
Layer 2 include rubber matrix layer 23 and be respectively arranged at rubber matrix layer 23 upper and lower surface canvas layer 24, by will
Wear-resistant coating is coated with upper glue layer 1 and lower glue layer 3, so that the conveying carries good anti-wear performance.
The upper surface of upper glue layer 1 is provided with anchor hook 120, and anchor hook 120 is that head is in the T-shaped tack of plane and section
Anchor hook 120, the height of anchor hook 120 and the deep equality of the indent of upper glue layer 1, so that whole conveyer belt is maintained at same level
On face.By in the upper surface of upper glue layer 1, anchor hook 120 is set, can be further such that the goods on conveyer belt be difficult to drop, can
Certain position-limiting action is played to goods, reduces the movement of goods on conveyer belt.
The bottom of upper glue layer 1 is provided with the zipper of mutual cooperation with the top of sandwich layer 2 on side wall along its length
4, the connected mode between lower glue layer 3 and sandwich layer 2 is identical with the connected mode between upper glue layer 1 and sandwich layer 2.Lead in the present embodiment
Cross makes it be connected with sandwich layer 2 upper glue layer 1 and lower glue layer 3 in the form of slide fastener, so as to may be such that upper glue layer 1 and lower glue layer
3 can quick-replaceable, because upper glue layer 1 and lower glue layer 3 belong to perishable part easy to wear, thus the connection side for passing through slide fastener
Formula realizes the replacing to conveyer belt levels, improves the performance of conveyer belt.
The lower surface of upper glue layer 1 is provided with to be evenly arranged and inclined relative to the lower surface of upper glue layer 1 and sets in the present embodiment
The projection 11 put, the upper surface of sandwich layer 2 is provided with the shrinkage pool 21 coordinated with projection 11, in the insertion shrinkage pool 21 of projection 11；Projection 11
Including the insertion end 111 in the bottom 110 that is fixed on the lower surface of upper glue layer 1 and insertion shrinkage pool 21, projection 11 in cone and
It is gradually reduced from bottom 110 to the radius of insertion end 111；It is in 30 ° of angles between the axis of projection 11 and the lower surface of upper glue layer 1.
Coordinate company by setting projection 11, shrinkage pool 21 in addition to slide fastener connected mode between sandwich layer 2 and upper glue layer 1 and lower glue layer 3
Connect, and cause that projection 11 and shrinkage pool 21 are in tilted layout, make it between horizontal plane in 30 ° of angles, thus saying upper glue layer 1
Or lower glue layer 3 is connected to when on sandwich layer 2, upper glue layer 1 or lower glue layer 3 need to be combined from one end inclination is plug-type with sandwich layer 2, with
Ensure that coniform projection 11 is inserted into shrinkage pool 21, the inwall of shrinkage pool 21 can be pasted completely with the outer wall of projection 11
Close, can be realized by way of this kind inclines grafting to upper glue layer 1 or lower glue layer 3 perpendicular to conveyer belt in-plane and
It is spacing with the grafting direction of shrinkage pool 21 in projection 11, with the stability for ensureing to be connected between upper glue layer 1 or lower glue layer 3 and sandwich layer 2.
The raised line 12 along the width of upper glue layer 1 is provided with the lower surface of upper glue layer 1 in the present embodiment, raised line 12 is set
In the leading section of the direction of insertion for inserting shrinkage pool 21 on upper glue layer 1 along projection 11, the upper surface of sandwich layer 2 is provided with matches somebody with somebody with raised line 12
The groove 22 of conjunction, and when raised line 12 is snapped in groove 22, upper glue layer 1 is flushed with the two ends of sandwich layer 2.By upper glue layer 1 or under
Leading section on glue-line 3 and along the direction of insertion of the insertion shrinkage pool 21 of projection 11 sets raised line 12, is set on sandwich layer 2 and matched somebody with somebody with boss
The groove 22 of conjunction so that finally changed upper glue layer 1 or the conveyer belt two ends of lower glue layer 3 flush, the position of raised line 12 and groove 22
Put relation mutually somewhat to stagger, because by the way of grafting is inclined, projection 11 unavoidably can be because not between projection 11 and shrinkage pool 21
Final conveyer belt two ends are uneven caused by energy is fully-inserted, thus raised line 12 and groove 22 by mutually staggering, realize existing
Extruding in the direction of insertion of projection 11 so that projection 11 and shrinkage pool 21 can occur elastic deformation, eventually through raised line 12 with it is recessed
Groove 22 is realized in projection 11 and the grafting of shrinkage pool 21 in the reverse direction spacing, to ensure the comprehensive connective stability of whole conveyer belt.
Embodiment 2
With embodiment 1, except that being in 45 ° of angles between the lower surface of the axis of projection 11 and upper glue layer 1.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, should all belong to the covering scope of patent of the present invention.
Claims (5)
1. abrasion resistant type conveyer belt, including upper glue layer (1), the sandwich layer (2) for setting gradually from top to bottom and being made by elastomeric material
With lower glue layer (3), it is characterised in that：Wear-resisting painting is coated with the upper surface of upper glue layer (1) and the lower surface of lower glue layer (3)
Layer；The bottom of upper glue layer (1) is provided with the zipper of mutual cooperation with the top of sandwich layer (2) on side wall along its length
(4), the lower surface of upper glue layer (1) is provided with the projection for being evenly arranged and being obliquely installed relative to the lower surface of upper glue layer (1)
(11), the upper surface of sandwich layer (2) is provided with the shrinkage pool (21) coordinated with projection (11), and projection (11) is inserted in shrinkage pool (21).
2. abrasion resistant type conveyer belt according to claim 1, it is characterised in that：The lower surface of upper glue layer (1) is provided with along upper
The raised line (12) of glue-line (1) width, raised line (12) is arranged on upper glue layer (1) inserting along projection (11) insertion shrinkage pool (21)
Enter the leading section in direction, the upper surface of sandwich layer (2) is provided with the groove (22) coordinated with raised line (12), and when raised line (12) is snapped in
When groove (22) is interior, upper glue layer (1) is flushed with sandwich layer (2) two ends；Connected mode between lower glue layer (3) and sandwich layer (2) with it is upper
Connected mode between glue-line (1) and sandwich layer (2) is identical.
3. abrasion resistant type conveyer belt according to claim 1, it is characterised in that：Sandwich layer (2) including rubber matrix layer (23) with
And it is respectively arranged at the canvas layer (24) of rubber matrix layer (23) upper and lower surface.
4. abrasion resistant type conveyer belt according to claim 1, it is characterised in that：The axis of projection (11) and upper glue layer (1)
It is in 30-45 ° of angle between lower surface.
5. abrasion resistant type conveyer belt according to claim 1, it is characterised in that：The upper surface of upper glue layer (1) is provided with anchor hook
(120), anchor hook (120) is head in the T-shaped tack anchor hook (120) of plane and section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113236.XA CN106809596B (en) | 2017-02-28 | 2017-02-28 | Abrasion resistant type conveyer belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113236.XA CN106809596B (en) | 2017-02-28 | 2017-02-28 | Abrasion resistant type conveyer belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106809596A true CN106809596A (en) | 2017-06-09 |
| CN106809596B CN106809596B (en) | 2019-11-08 |
Family
ID=59112159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113236.XA Active CN106809596B (en) | 2017-02-28 | 2017-02-28 | Abrasion resistant type conveyer belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106809596B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745956A (en) * | 2017-09-30 | 2018-03-02 | 浙江瀚镪自动化设备股份有限公司 | Automatic shunt separate type conveyer belt |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031692A1 (en) * | 2008-09-20 | 2010-03-25 | Phoenix Conveyor Belt Systems Gmbh | Conveyor belt for transporting hot material |
| CN203486451U (en) * | 2013-06-27 | 2014-03-19 | 霓达株式会社 | Circular flat belt |
| CN105035628A (en) * | 2015-08-20 | 2015-11-11 | 重庆绿岛源建材有限公司 | Anti-slip belt type ore conveyer easy to repair |
| CN204847089U (en) * | 2015-07-23 | 2015-12-09 | 常州容和高分子材料科技有限公司 | Fire resistance antistripping transportation area |
| CN105460492A (en) * | 2014-08-22 | 2016-04-06 | 黄碧秀 | Conveying belt structure used for machinery |
| CN105905523A (en) * | 2016-06-01 | 2016-08-31 | 日志动力传送系统（上海）有限公司 | Conveying belt made of polyurethane polymer materials and felt |
-
2017
- 2017-02-28 CN CN201710113236.XA patent/CN106809596B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031692A1 (en) * | 2008-09-20 | 2010-03-25 | Phoenix Conveyor Belt Systems Gmbh | Conveyor belt for transporting hot material |
| CN203486451U (en) * | 2013-06-27 | 2014-03-19 | 霓达株式会社 | Circular flat belt |
| CN105460492A (en) * | 2014-08-22 | 2016-04-06 | 黄碧秀 | Conveying belt structure used for machinery |
| CN204847089U (en) * | 2015-07-23 | 2015-12-09 | 常州容和高分子材料科技有限公司 | Fire resistance antistripping transportation area |
| CN105035628A (en) * | 2015-08-20 | 2015-11-11 | 重庆绿岛源建材有限公司 | Anti-slip belt type ore conveyer easy to repair |
| CN105905523A (en) * | 2016-06-01 | 2016-08-31 | 日志动力传送系统（上海）有限公司 | Conveying belt made of polyurethane polymer materials and felt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745956A (en) * | 2017-09-30 | 2018-03-02 | 浙江瀚镪自动化设备股份有限公司 | Automatic shunt separate type conveyer belt |
| CN107745956B (en) * | 2017-09-30 | 2019-05-21 | 浙江瀚镪自动化设备股份有限公司 | Automatic shunt separate type conveyer belt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106809596B (en) | 2019-11-08 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wear-resistant conveyor belt Effective date of registration: 20230706 Granted publication date: 20191108 Pledgee: China Construction Bank Corporation Sanmen sub branch Pledgor: ZHEJIANG FENFEI RUBBER & PLASTIC PRODUCTS CO.,LTD. Registration number: Y2023330001384 |
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