CN105666806A - Rubber injection mold capable of automatically demolding and preventing air clog - Google Patents
Rubber injection mold capable of automatically demolding and preventing air clog Download PDFInfo
- Publication number
- CN105666806A CN105666806A CN201610146491.XA CN201610146491A CN105666806A CN 105666806 A CN105666806 A CN 105666806A CN 201610146491 A CN201610146491 A CN 201610146491A CN 105666806 A CN105666806 A CN 105666806A
- Authority
- CN
- China
- Prior art keywords
- mold
- injection mold
- rubber injection
- resentment
- choked
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract 2
- 239000000047 product Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004513 sizing Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
- B29C2045/4015—Ejector pins provided with sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a rubber injection mold capable of automatically demolding and preventing air clog. The rubber injection mold comprises an upper mold and a lower mold combined with each other; middle cores are arranged in the upper mold and the lower mold combined with each other; ejector rods are arranged in the middle cores; the front tail ends of the ejector rods are connected with one ends of springs; the other ends of the springs are connected with air inlet nozzles; sealing surfaces are arranged at the back tail ends of the ejector rods; a second upper basal plate and a first upper basal plate are arranged at the upper part of the upper mold in sequence; a glue injecting nozzle is arranged on the first upper basal plate; exhaust ways are formed in the combined position of the upper mold and the lower mold at the back tail ends of the ejector rods; and rubber accommodating tanks are formed in the exhaust ways. The rubber injection mold can solve the problem of influence on the product quality caused by the air clog phenomenon generated on the end surface of the right mold of the mold near a parting surface due to nonuniform flowing speed of a rubber material with high length-ratio diameter, high viscosity and weak fluidity in a molding cavity during injecting; the ejector rods can enable compressed air enter between the product and a mold core to separate the product from the mold core; and the structure can realize automatic demolding and prevent the air clog, guarantees enough injection pressure in the molding cavity, and guarantees the product quality.
Description
Technical field
The invention belongs to rubber injection mold technical field, relate to a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment.
Background technology
At present, big L/D ratio, viscosity are high, the material of poor fluidity in injection because sizing material is uneven in die cavity internal mobility speed, near the part of die joint, phenomenon of choking with resentment can occur at corresponding mould right-hand member end face, thus the problem causing affecting the quality of product. For this reason, it may be necessary to a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment, it is achieved automatic demoulding, prevent from choking with resentment, it is ensured that die cavity has enough injection pressures, it is ensured that the quality of product simultaneously.
Summary of the invention
The present invention provide a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment, solve that big L/D ratio, viscosity is high, the material of poor fluidity is in injection, because sizing material is uneven in die cavity internal mobility speed, near the part of die joint, phenomenon of choking with resentment can occur at corresponding mould right-hand member end face, thus the problem causing affecting the quality of product so that it is realize automatic demoulding, prevent from choking with resentment simultaneously, ensure that die cavity has enough injection pressures, it is ensured that the quality of product.
For achieving the above object, the present invention provide a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment, including the upper die and lower die being mutually combined, the inside of the upper die and lower die being mutually combined is provided with SMIS, the inside of SMIS is provided with knock-pin, the front end of knock-pin is connected with one end of spring, and the other end of spring is connected with suction nozzle; The rear end of knock-pin is provided with sealing surface; The top of upper mould is sequentially provided with the second upper substrate and the first upper substrate, and the first upper substrate is provided with adhesive pouring nozzle; The position that the upper die and lower die of the rear end of knock-pin are combined is provided with exhaust duct, and exhaust duct is provided with glue groove.
In above scheme preferably, the other end of spring is connected with suction nozzle by locking nut.
It may also be preferred that the sealing surface of the rear end of knock-pin is set to sealing cone.
It may also be preferred that the cone angle of sealing cone is provided towards the direction of knock-pin.
It may also be preferred that counterdie infrabasal plate is arranged below.
It may also be preferred that be inter-connected via a bolt joint fixing between counterdie and infrabasal plate.
It may also be preferred that be inter-connected via a bolt joint fixing between the second upper substrate and upper mould.
It may also be preferred that longitudinal interface of glue groove is set to inverted trapezoidal.
It may also be preferred that adhesive pouring nozzle is provided with gum-injecting port.
It may also be preferred that the top of gum-injecting port is set to inverted cone.
Compared with prior art, the invention have the advantages that
The present invention's can automatic demoulding and the anti-rubber injection mold choked with resentment, it can solve the problem that big L/D ratio, viscosity is high, the material of poor fluidity is in injection, because sizing material is uneven in die cavity internal mobility speed, near the part of die joint, phenomenon of choking with resentment can occur at corresponding mould right-hand member end face, thus the problem causing affecting the quality of product, knock-pin can allow compressed air between goods and core rod, goods are made to separate with core rod, this structure can realize automatic demoulding, prevent from choking with resentment simultaneously, ensure that die cavity has enough injection pressures, it is ensured that the quality of product.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the invention will be further described:
Fig. 1 be the present invention can the structural representation of automatic demoulding and the anti-rubber injection mold choked with resentment;
Fig. 2 be the present invention can the ejecting and exhaust structure schematic diagram of automatic demoulding and the anti-rubber injection mold choked with resentment;
Fig. 3 is can the rubber parts of automatic demoulding and the anti-rubber injection mold choked with resentment ejecting and isolating construction schematic diagram of the present invention.
In figure, 1 is upper mould, and 2 is counterdie, and 3 is SMIS, and 4 is knock-pin, and 5 is spring, and 6 is suction nozzle, and 7 is the second upper substrate, and 8 is the first upper substrate, and 9 is adhesive pouring nozzle, and 10 is exhaust duct, and 11 is glue groove, and 12 is locking nut, and 13 is sealing cone, and 14 is infrabasal plate.
Detailed description of the invention
In order to be more fully understood that the present invention, below in conjunction with specific embodiment, the present invention is explained in detail. It is clear that the present invention can be carried out different modification and remodeling and without departing from the broader spirit and scope of the present invention of appended claims. Therefore, following example have the exemplary implication without restriction.
Embodiment:
A kind of can automatic demoulding and the anti-rubber injection mold choked with resentment, as shown in Figure 1 to Figure 3, including the upper mould 1 being mutually combined and counterdie 2, the upper mould 1 being mutually combined and the inside of counterdie 2 are provided with SMIS 3, the inside of SMIS 3 is provided with knock-pin 4, the front end of knock-pin 4 is connected with one end of spring 5, and the other end of spring 5 is connected with suction nozzle 6; The rear end of knock-pin 4 is provided with sealing surface; The top of upper mould 1 is sequentially provided with the second upper substrate 7 and the first upper substrate 8, and the first upper substrate 8 is provided with adhesive pouring nozzle 9; The upper mould 1 of the rear end of knock-pin 4 and the combined position of counterdie 2 are provided with exhaust duct 10, and exhaust duct 10 is provided with glue groove 11.
In the above-described embodiments, the other end of spring 5 is connected with suction nozzle 6 by locking nut 12.
In the above-described embodiments, the sealing surface of the rear end of knock-pin 4 is set to sealing cone 13.
In the above-described embodiments, the cone angle of sealing cone 13 is provided towards the direction of knock-pin 4.
In the above-described embodiments, counterdie 2 infrabasal plate 14 is arranged below.
In the above-described embodiments, be inter-connected via a bolt joint between counterdie 2 and infrabasal plate 14 fixing.
In the above-described embodiments, be inter-connected via a bolt joint between the second upper substrate 7 and upper mould 1 fixing.
In the above-described embodiments, longitudinal interface of glue groove 11 is set to inverted trapezoidal.
In the above-described embodiments, adhesive pouring nozzle 9 is provided with gum-injecting port.
In the above-described embodiments, the top of gum-injecting port is set to inverted cone.
The present invention's can automatic demoulding and the anti-rubber injection mold choked with resentment, exhaust duct 10 and glue groove 11 are arranged on the left end of counterdie 2, die cavity within upper mould 1 and counterdie 2 combination formation, sizing material may proceed to after being full of die cavity arrive glue groove 11 along exhaust duct 10 stream, survival gas in die cavity is taken out of, when elastomeric material stream is to rear end (i.e. the right-hand member) of glue groove 11 can because die cavity be shut by material plasticizing solidification, thus ensureing that die cavity has enough injection pressures, it is ensured that the quality of goods. The width of exhaust duct 10 can be set to 8-10mm, and its degree of depth can be set to 0.05mm.
The present invention's can automatic demoulding and the anti-rubber injection mold choked with resentment, its SMIS 3 is internal is provided with air blowing pattern drawing mechanism, air blowing pattern drawing mechanism is provided with intake valve and air bleeding valve, intake valve is arranged on suction nozzle 6 position, air blowing pattern drawing mechanism act as when opening after upper and lower mould 2, INO, compression air enters from suction nozzle 6, and promote locking nut 12 and connected knock-pin 4 to overcome the compression resistance force of spring 5 to move right, open the sealing cone 13 between knock-pin 4 and the SMIS 3 of knock-pin 4 right-hand member, compression air ejects rubber parts together with knock-pin 4 and moves right, simultaneously, compression air moves along the inwall of rubber parts to the left end opening part of rubber parts, discharge. the inwall of rubber parts and SMIS 3 are departed from by compression air so that rubber parts departs from from SMIS 3 and will not produce plastic deformation. after the die cavity of rubber parts break away from moulds, intake valve cuts out, and air bleeding valve is opened, and knock-pin 4 returns to initial position under the rebound effect power of spring 5, prepares next one circulation.
Although below various preferred implementations and feature to the present invention are described, but under the premise without departing from the purpose of the present invention and objective, the present invention can be made many changes, supplement, changes and delete by those of ordinary skill in the art. Above in association with the detailed description that specific embodiments of the invention are done, it is not limitation of the present invention. Every technical spirit according to the present invention, to any simple modification made for any of the above embodiments, all still falls within the scope of technical solution of the present invention.
Claims (10)
1. one kind can automatic demoulding and the anti-rubber injection mold choked with resentment, including the upper mould (1) being mutually combined and counterdie (2), the upper mould (1) being mutually combined and the inside of counterdie (2) are provided with SMIS (3), the inside of SMIS (3) is provided with knock-pin (4), it is characterized in that: the front end of knock-pin (4) is connected with one end of spring (5), and the other end of spring (5) is connected with suction nozzle (6); The rear end of knock-pin (4) is provided with sealing surface; The top of upper mould (1) is sequentially provided with the second upper substrate (7) and the first upper substrate (8), and the first upper substrate (8) is provided with adhesive pouring nozzle (9); The upper mould (1) of the rear end of knock-pin (4) and the combined position of counterdie (2) are provided with exhaust duct (10), and exhaust duct (10) is provided with glue groove (11).
2. as claimed in claim 1 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: the other end of spring (5) is connected with suction nozzle (6) by locking nut (12).
3. as claimed in claim 1 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: the sealing surface of the rear end of knock-pin (4) is set to sealing cone (13).
4. as claimed in claim 3 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: the cone angle of sealing cone (13) is provided towards the direction of knock-pin (4).
5. as claimed in claim 1 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: counterdie (2) infrabasal plate (14) is arranged below.
6. as claimed in claim 5 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: it is inter-connected via a bolt joint fixing between counterdie (2) and infrabasal plate (14).
7. as claimed in claim 1 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: it is inter-connected via a bolt joint fixing between the second upper substrate (7) and upper mould (1).
8. as according to any one of claim 1-7 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: longitudinal interface of glue groove (11) is set to inverted trapezoidal.
9. as according to any one of claim 1-7 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: adhesive pouring nozzle (9) is provided with gum-injecting port.
10. as claimed in claim 9 can automatic demoulding and the anti-rubber injection mold choked with resentment, it is characterised in that: the top of gum-injecting port is set to inverted cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146491.XA CN105666806B (en) | 2016-03-15 | 2016-03-15 | It is a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146491.XA CN105666806B (en) | 2016-03-15 | 2016-03-15 | It is a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105666806A true CN105666806A (en) | 2016-06-15 |
| CN105666806B CN105666806B (en) | 2018-02-23 |
Family
ID=56310386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146491.XA Active CN105666806B (en) | 2016-03-15 | 2016-03-15 | It is a kind of can automatic demoulding and the anti-rubber injection mold choked with resentment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105666806B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030228389A1 (en) * | 2002-04-17 | 2003-12-11 | Akira Itoh | Molding device |
| CN1473696A (en) * | 2003-08-11 | 2004-02-11 | 卢能晓 | Compressed air demolding method for injection mold and its mold structure |
| CN201389953Y (en) * | 2009-04-10 | 2010-01-27 | 福建闽发模具有限公司 | EVA shoe mold through which two pairs of shoes can be manufactured with one shoe mold |
| CN202656432U (en) * | 2012-07-09 | 2013-01-09 | 山东浩然特塑有限公司 | Demoulding device for long-tube injection moulding piece |
| CN203726752U (en) * | 2014-02-26 | 2014-07-23 | 台州市黄岩宁光模具有限公司 | Injection mold |
| CN104015315A (en) * | 2014-06-17 | 2014-09-03 | 泰德兴精密电子（昆山）有限公司 | Optical LED (light emitting diode) support mold |
| CN104029352A (en) * | 2014-05-21 | 2014-09-10 | 苏州柏德纳科技有限公司 | Mold with spring exhaust valve |
| CN203994483U (en) * | 2014-07-22 | 2014-12-10 | 星威国际家居有限公司 | Plastic chair backrest mould gas-assisted flash mechanism |
| CN104690909A (en) * | 2015-02-07 | 2015-06-10 | 浙江宏利汽车零部件有限公司 | Stuffiness-proof mold |
| CN204955277U (en) * | 2015-05-05 | 2016-01-13 | 广东泰安模塑科技股份有限公司 | Dark chamber mould with conical roof goes out device |
| CN205416263U (en) * | 2016-03-15 | 2016-08-03 | 青岛开世密封工业有限公司 | Can automatic drawing of patterns and prevent rubber injection mold that chokes with resentment |
-
2016
- 2016-03-15 CN CN201610146491.XA patent/CN105666806B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030228389A1 (en) * | 2002-04-17 | 2003-12-11 | Akira Itoh | Molding device |
| CN1473696A (en) * | 2003-08-11 | 2004-02-11 | 卢能晓 | Compressed air demolding method for injection mold and its mold structure |
| CN201389953Y (en) * | 2009-04-10 | 2010-01-27 | 福建闽发模具有限公司 | EVA shoe mold through which two pairs of shoes can be manufactured with one shoe mold |
| CN202656432U (en) * | 2012-07-09 | 2013-01-09 | 山东浩然特塑有限公司 | Demoulding device for long-tube injection moulding piece |
| CN203726752U (en) * | 2014-02-26 | 2014-07-23 | 台州市黄岩宁光模具有限公司 | Injection mold |
| CN104029352A (en) * | 2014-05-21 | 2014-09-10 | 苏州柏德纳科技有限公司 | Mold with spring exhaust valve |
| CN104015315A (en) * | 2014-06-17 | 2014-09-03 | 泰德兴精密电子（昆山）有限公司 | Optical LED (light emitting diode) support mold |
| CN203994483U (en) * | 2014-07-22 | 2014-12-10 | 星威国际家居有限公司 | Plastic chair backrest mould gas-assisted flash mechanism |
| CN104690909A (en) * | 2015-02-07 | 2015-06-10 | 浙江宏利汽车零部件有限公司 | Stuffiness-proof mold |
| CN204955277U (en) * | 2015-05-05 | 2016-01-13 | 广东泰安模塑科技股份有限公司 | Dark chamber mould with conical roof goes out device |
| CN205416263U (en) * | 2016-03-15 | 2016-08-03 | 青岛开世密封工业有限公司 | Can automatic drawing of patterns and prevent rubber injection mold that chokes with resentment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105666806B (en) | 2018-02-23 |
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Effective date of registration: 20201225 Address after: Room 303, building 4, Rizhao Intelligent Manufacturing Industrial Park, Shenzhen West Road, happy town, Lanshan District, Rizhao City, Shandong Province Patentee after: Shandong Junce Technology Service Co.,Ltd. Address before: 266031 No.7 Jiahe Road, Shibei District, Qingdao City, Shandong Province Patentee before: QINGDAO TKS SEALING INDUSTRY Co.,Ltd. |
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Effective date of registration: 20220916 Address after: Room 303, building 4, Rizhao Intelligent Manufacturing Industrial Park, Shenzhen West Road, happy town, Lanshan District, Rizhao City, Shandong Province Patentee after: Shandong Junce Technology Service Co.,Ltd. Address before: 2 / F, workshop 3, No.2 accelerator, no.13426 Yuqing East Street, high tech Zone, Weifang, Shandong 261000 Patentee before: Weifang Yuda electroacoustic technology Co.,Ltd. |
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Effective date of registration: 20240129 Address after: 508, 5th Floor, Building 1, Courtyard 3, Jinguan North 2nd Street, Shunyi District, Beijing, 101300 Patentee after: Beijing Building Ark Technology Co.,Ltd. Country or region after: China Address before: Room 303, building 4, Rizhao Intelligent Manufacturing Industrial Park, Shenzhen West Road, happy town, Lanshan District, Rizhao City, Shandong Province Patentee before: Shandong Junce Technology Service Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240426 Address after: 713399 Shi Zi, Chengbei Ring Road, Qianxian County, Xianyang City, Shaanxi Province Patentee after: GANXIAN JINGCHENG MOLD MANUFACTURING CO.,LTD. Country or region after: China Address before: 508, 5th Floor, Building 1, Courtyard 3, Jinguan North 2nd Street, Shunyi District, Beijing, 101300 Patentee before: Beijing Building Ark Technology Co.,Ltd. Country or region before: China |