CN107492766A - Using the high-speed signal connector of semi-packing type barricade - Google Patents
Using the high-speed signal connector of semi-packing type barricade Download PDFInfo
- Publication number
- CN107492766A CN107492766A CN201710671886.6A CN201710671886A CN107492766A CN 107492766 A CN107492766 A CN 107492766A CN 201710671886 A CN201710671886 A CN 201710671886A CN 107492766 A CN107492766 A CN 107492766A
- Authority
- CN
- China
- Prior art keywords
- grafting
- module
- semi
- speed signal
- signal 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a kind of high-speed signal connector using semi-packing type barricade, belongs to a kind of signal connector, including pedestal, multiple grafting plate modules are provided with pedestal；And barricade is mounted in multiple grafting plate modules, barricade is provided with multiple housings, and the position correspondence of housing distribution is in the position for being grounded contact pin grafting of grafting plate module and connector male end；Multiple housings are fastened in grafting plate module from the bottom to top, and housing both ends extension is placed in the both sides of contact pin.By installing barricade in grafting plate module, its both sides is placed in by the extension of the housing corresponding with contact pin position, and then effectively reduce the mutual crosstalk in grafting plate module in signals transmission, effectively improve the speed of signal transmission, meet the needs of high speed transmission of signals, while the structure of the present invention is simple, suitable for industrialized production, also can similar with other connector male end coordinate and realize high speed transmission of signals, application is wide.
Description
Technical field
The present invention relates to a kind of signal connector, and in particular, the invention mainly relates to one kind to use semi-packing type screen
The high-speed signal connector of shield plate.
Background technology
High-speed signal connector is a kind of common signal transmission connector part, at present the kind of this kind of interface unit on the market
Class is varied, and structure is also different, is in high-speed transfer by it, is influenceed by interface unit inherent structure, easily
The distorted signals caused by its own impedance and signal cross-talk, laser propagation effect and speed are influenceed, thus be necessary high for signal
The structure of fast connector is studied and improved.
The content of the invention
An object of the present invention is to be directed to above-mentioned deficiency, there is provided a kind of high speed signal using semi-packing type barricade
Connector, with it is expected solve in the prior art signal connector easily because the mutual crosstalk of signal and caused by distorted signals, influence to transmit
The technical problem such as effect and transmission rate.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of high-speed signal connector using semi-packing type barricade provided by the present invention, including pedestal, the base
Multiple grafting plate modules are installed in seat；And barricade is mounted in multiple grafting plate modules, the barricade is provided with more
Individual housing, the position correspondence of the housing distribution is in the position for being grounded contact pin grafting of grafting plate module and connector male end
Put；The multiple housing is fastened in grafting plate module from the bottom to top, and the extension at housing both ends is placed in the contact pin
Both sides.
Preferably, further technical scheme is：The barricade is fastened in grafting plate module by claw, and
It is fixed on by rivet hot processing in grafting plate module.
Further technical scheme is：The grafting plate module includes the first module and the second module, first mould
Block and the second module is spaced is plugged on pedestal.
Further technical scheme is：It is also equipped with tail card on the end of the pedestal, the tail card is by multiple grafting
Plate module links together, and prevents that it is crooked to both sides in pedestal.
Further technical scheme is：The multiple housing is connected with each other and is integrated.
Further technical scheme is：The pedestal is provided with multiple slots side by side, and the slot and plugboard
Module matches.
Further technical scheme is：The longitudinal section of the pedestal is L-shaped, the side of the pedestal be provided with it is multiple side by side
Bar-shaped trough, each bar-shaped trough is corresponding with respective slot and is interconnected.
Further technical scheme is：The material of the housing is tin bronze.
Compared with prior art, one of beneficial effects of the present invention are：By installing barricade in grafting plate module, by
The extension of the housing corresponding with interworking Male end connector ground connection contact pin position is placed in its both sides, and then effectively reduces letter
The mutual crosstalk in grafting plate module in number transmitting procedure, the speed of signal transmission is effectively improved, meets high speed transmission of signals
Demand, while a kind of high-speed signal connector using semi-packing type barricade provided by the present invention is simple in construction, is suitable to
Industrialized production, it can also coordinate with other producer's homologous series connector male ends and realize high speed transmission of signals, application is wide.
Brief description of the drawings
Fig. 1 is the structural representation for illustrating one embodiment of the invention；
Fig. 2 is the part fractionation structural representation for illustrating one embodiment of the invention；
Fig. 3 is the shielding plate structure schematic diagram for illustrating one embodiment of the invention；
Fig. 4 is for illustrating showing with partial front structure after interworking connector male end interworking for one embodiment of the invention
It is intended to；
Fig. 5 is for illustrating one embodiment of the invention and local back side structural representation after interworking connector male end interworking
Figure；
In figure, 1 it is pedestal, 11 is slot, 2 is grafting plate module, 21 is the first module, 22 is the second module, 3 is shielding
Plate, 31 be housing, 4 be tail card.
Embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings.
With reference to shown in figure 1 and Fig. 2, one embodiment of the present of invention is a kind of high speed signal using semi-packing type barricade
Connector, including pedestal 1, multiple grafting plate modules 2 are installed in the pedestal 1；And it is mounted on shielding in multiple grafting plate modules 2
Shield plate 3, the barricade 3 are provided with multiple housings 31, and the position correspondence that housing 31 is distributed is in grafting plate module 2 and connector
The position of the ground connection contact pin grafting of male end (in Fig. 4 at A)；, need to be by multiple housings 31 under with reference to shown in Fig. 3, Fig. 4 and Fig. 5
Supreme to be fastened in grafting plate module 2, i.e., housing 31 is fastened by the bottom of grafting plate module 2, and makes the both ends of housing 31
Extension is placed in the both sides of the contact pin.Foregoing housing 31 is such as the shape of wing, and preferably with tin bronze
It is processed into, because housing 31 has the mounting structure of abnormity, thus needs to consider the bending toughness of material, extensibility, resists
The characteristics such as tensile strength, as long as meeting the metal material of aforementioned properties in principle, foregoing technical purpose can be achieved, you can at this
Used in the described high-speed signal connector of invention as half barricade wrapped up, therefore for other similar materials therewith,
Here is omitted；And be also also the mode of bending and stretching for the manufacture craft of barricade 3 and housing 31, it is allowed to be formed
The shape of foregoing wing.
In the present embodiment, by installing barricade 3 in grafting plate module 2, by the shielding corresponding with contact pin position
The extension of set 31 is placed in its both sides, and then effectively reduces the mutual crosstalk in grafting plate module 2 in signals transmission, has
Effect improves the speed of signal transmission, meets the needs of high speed transmission of signals.
According to another embodiment of the invention, go out as shown in Figure 2, grafting plate module is fastened on for lifting housing
Stability on 2, above-mentioned barricade 3 can be fastened in grafting plate module 2 by claw, and be fixed on by rivet hot processing
In grafting plate module 2, and then multiple housings 31 are made to be permanently fixed in half being formed in grafting plate module 2 for parcel, to enter one
Step lifts above-mentioned signal shielding effect.
Referring again to shown in Fig. 1, in another embodiment of the invention, for the speed of promotion signal transmission, inventor uses
Two kinds of different grafting plate modules 2, i.e. the first module 21 and the second module 22, the first module 21 and the second module 22 are spaced
Be plugged on pedestal 1.
Fix on pedestal 1 for convenience of above-mentioned grafting plate module 2, can be also also equipped with the end of pedestal 1 simultaneously
Tail card 4, and the structure of the bottom of tail card 4 is matched with the rear end of multiple grafting plate modules 2, and multiple grafting plate modules 2 are connected
Together；Pass through foregoing tail card 4, you can above-mentioned multiple grafting plate modules 2 are completely fixed on pedestal 1, are allowed to be formed
Overall structure, it is set to carry out grafting as connector female end and similar connector male end.
On the other hand, installed in order to facilitate housing 31 in grafting plate module 2, and improve its globality, can be incited somebody to action
The above-mentioned housing 31 corresponding with the ground connection contact pin of the same row of intermateable connector male end connects as one, make one it is whole
The structure of body.
With reference to shown in figure 2, in another embodiment of the invention, installed for convenience of above-mentioned grafting plate module 2, inventor
The structure of said base 1 is improved, multiple slots 11 side by side specially are set on pedestal 1 as depicted, and
And the slot 11 need to match with grafting plate module 2.
Further, for convenience of installation is engaged with grafting plate module 2, pedestal 1 can be arranged to the L-shaped knot in longitudinal section
Structure, and then above-mentioned slot 11 can be arranged on to the bottom of pedestal 1, multiple bars side by side then are set in the side of pedestal 1 again
Shape groove, each bar-shaped trough is corresponding with respective slot 11 and is interconnected, and is in other words, a slot 11 and a bar-shaped trough
Correspond.
It is above-mentioned it has been noted that the high-speed signal connector described by the above embodiment of the present invention is female terminal structure, it can be with
Connector male end is engaged, and realizes the high-speed transfer of signal.
Than that described above, it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in this manual
Example ", " embodiment " etc., refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the variations and modifications of progress, to those skilled in the art, other purposes also will be apparent.
Claims (8)
1. a kind of high-speed signal connector using semi-packing type barricade, including pedestal (1), it is characterised in that：The pedestal
(1) multiple grafting plate modules (2) are installed in；And it is mounted on barricade (3), the shielding on multiple grafting plate modules (2)
Plate (3) is provided with multiple housings (31), and the position correspondence of housing (31) distribution is in grafting plate module (2) and connector
The position of the ground connection contact pin grafting of male end；The multiple housing (31) is fastened in grafting plate module (2) from the bottom to top, and shields
The extension for covering set (31) both ends is placed in the both sides of the contact pin.
2. the high-speed signal connector according to claim 1 using semi-packing type barricade, it is characterised in that：The screen
Shield plate (3) is fastened in grafting plate module (2) by claw, and is fixed on by rivet hot processing in grafting plate module (2).
3. the high-speed signal connector according to claim 1 using semi-packing type barricade, it is characterised in that：It is described to insert
Fishplate bar module (2) includes the first module (21) and the second module (22), and first module (21) is mutual with the second module (22)
Interval is plugged on pedestal (1).
4. the high-speed signal connector according to claim 1 using semi-packing type barricade, it is characterised in that：The base
Tail card (4) is also equipped with the end of seat (1), the tail card (4) links together multiple grafting plate modules (2).
5. the high-speed signal connector according to claim 1 using semi-packing type barricade, it is characterised in that：It is described more
Individual housing (31) is connected with each other and is integrated.
6. the high-speed signal connector according to claim 1 using semi-packing type barricade, it is characterised in that：The base
Seat (1) is provided with multiple slots (11) side by side, and the slot (11) matches with grafting plate module (2), and the grafting
The grafting of the contact pin of plate module (2) upward is arranged in slot (11).
7. the high-speed signal connector according to claim 7 using semi-packing type barricade, it is characterised in that：The base
The longitudinal section of seat (1) is L-shaped, and the side of the pedestal (1) is provided with multiple bar-shaped troughs side by side, and each bar-shaped trough is inserted with respective
Groove (11) is corresponding and is interconnected.
8. the high-speed signal connector according to claim 1 using semi-packing type barricade, it is characterised in that：The screen
The material for covering set (31) is tin bronze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671886.6A CN107492766A (en) | 2017-08-08 | 2017-08-08 | Using the high-speed signal connector of semi-packing type barricade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671886.6A CN107492766A (en) | 2017-08-08 | 2017-08-08 | Using the high-speed signal connector of semi-packing type barricade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492766A true CN107492766A (en) | 2017-12-19 |
Family
ID=60643937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671886.6A Pending CN107492766A (en) | 2017-08-08 | 2017-08-08 | Using the high-speed signal connector of semi-packing type barricade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492766A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524849A (en) * | 2019-01-09 | 2019-03-26 | 四川华丰企业集团有限公司 | Metal shielding board for high-speed differential signal connector |
| CN109546460A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109546456A (en) * | 2019-01-18 | 2019-03-29 | 四川华丰企业集团有限公司 | The straight public pedestal of high speed connector |
| CN109546461A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109546388A (en) * | 2019-01-18 | 2019-03-29 | 四川华丰企业集团有限公司 | Back panel connector |
| CN109546459A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109546462A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109742607A (en) * | 2019-01-09 | 2019-05-10 | 四川华丰企业集团有限公司 | Metal shielding board for high-speed differential signal connector |
| CN109830854A (en) * | 2019-03-29 | 2019-05-31 | 四川华丰企业集团有限公司 | For the shield assembly of high speed connector, modular structure and high speed connector |
| CN110492311A (en) * | 2019-07-24 | 2019-11-22 | 华为机器有限公司 | Shield piece, terminative connector and connector assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002042978A (en) * | 2000-07-26 | 2002-02-08 | Japan Aviation Electronics Industry Ltd | Electric connector |
| CN101330172A (en) * | 2007-06-22 | 2008-12-24 | 贵州航天电器股份有限公司 | High speed high-density connector with modular structure for back board |
| CN101335406A (en) * | 2007-06-28 | 2008-12-31 | 贵州航天电器股份有限公司 | Integral differential pair and shielding piece dual shielding electric connector |
| CN101916931A (en) * | 2009-02-02 | 2010-12-15 | 泰科电子公司 | Highdensity connector assembly |
| CN203218617U (en) * | 2013-03-22 | 2013-09-25 | 四川华丰企业集团有限公司 | High-speed signal connector with special-shaped shield plate |
| CN105122553A (en) * | 2013-03-15 | 2015-12-02 | 安费诺有限公司 | Mating interfaces for high speed high density electrical connectors |
| CN105742854A (en) * | 2014-12-08 | 2016-07-06 | 欧品电子(昆山)有限公司 | Backboard socket connector |
| CN106450853A (en) * | 2015-04-30 | 2017-02-22 | 莫列斯有限公司 | Slice and method for preparing same |
| CN207165858U (en) * | 2017-08-08 | 2018-03-30 | 四川华丰企业集团有限公司 | Using the high-speed signal connector of semi-packing type barricade |
-
2017
- 2017-08-08 CN CN201710671886.6A patent/CN107492766A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002042978A (en) * | 2000-07-26 | 2002-02-08 | Japan Aviation Electronics Industry Ltd | Electric connector |
| CN101330172A (en) * | 2007-06-22 | 2008-12-24 | 贵州航天电器股份有限公司 | High speed high-density connector with modular structure for back board |
| CN101335406A (en) * | 2007-06-28 | 2008-12-31 | 贵州航天电器股份有限公司 | Integral differential pair and shielding piece dual shielding electric connector |
| CN101916931A (en) * | 2009-02-02 | 2010-12-15 | 泰科电子公司 | Highdensity connector assembly |
| CN105122553A (en) * | 2013-03-15 | 2015-12-02 | 安费诺有限公司 | Mating interfaces for high speed high density electrical connectors |
| CN203218617U (en) * | 2013-03-22 | 2013-09-25 | 四川华丰企业集团有限公司 | High-speed signal connector with special-shaped shield plate |
| CN105742854A (en) * | 2014-12-08 | 2016-07-06 | 欧品电子(昆山)有限公司 | Backboard socket connector |
| CN106450853A (en) * | 2015-04-30 | 2017-02-22 | 莫列斯有限公司 | Slice and method for preparing same |
| CN207165858U (en) * | 2017-08-08 | 2018-03-30 | 四川华丰企业集团有限公司 | Using the high-speed signal connector of semi-packing type barricade |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546460B (en) * | 2019-01-09 | 2023-10-10 | 四川华丰科技股份有限公司 | Female end signal transmission module with metal shielding plate |
| CN109546460A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109546461B (en) * | 2019-01-09 | 2023-11-03 | 四川华丰科技股份有限公司 | Female end signal transmission module with metal shielding plate |
| CN109546461A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109546462B (en) * | 2019-01-09 | 2023-11-03 | 四川华丰科技股份有限公司 | Female end signal transmission module with metal shielding plate |
| CN109546459A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109546462A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN109742607A (en) * | 2019-01-09 | 2019-05-10 | 四川华丰企业集团有限公司 | Metal shielding board for high-speed differential signal connector |
| CN109546459B (en) * | 2019-01-09 | 2023-10-10 | 四川华丰科技股份有限公司 | Female end signal transmission module with metal shielding plate |
| CN109524849A (en) * | 2019-01-09 | 2019-03-26 | 四川华丰企业集团有限公司 | Metal shielding board for high-speed differential signal connector |
| CN109546456B (en) * | 2019-01-18 | 2023-10-10 | 四川华丰科技股份有限公司 | Straight male base for high-speed connector |
| CN109546388B (en) * | 2019-01-18 | 2023-10-10 | 四川华丰科技股份有限公司 | Backboard connector |
| CN109546388A (en) * | 2019-01-18 | 2019-03-29 | 四川华丰企业集团有限公司 | Back panel connector |
| CN109546456A (en) * | 2019-01-18 | 2019-03-29 | 四川华丰企业集团有限公司 | The straight public pedestal of high speed connector |
| CN109830854A (en) * | 2019-03-29 | 2019-05-31 | 四川华丰企业集团有限公司 | For the shield assembly of high speed connector, modular structure and high speed connector |
| CN109830854B (en) * | 2019-03-29 | 2024-02-23 | 四川华丰科技股份有限公司 | Shielding assembly for high-speed connector, module structure and high-speed connector |
| CN110492311A (en) * | 2019-07-24 | 2019-11-22 | 华为机器有限公司 | Shield piece, terminative connector and connector assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107492766A (en) | Using the high-speed signal connector of semi-packing type barricade | |
| CN107359479A (en) | High-speed signal connector with semi-packing type barricade | |
| CN204179385U (en) | High frequency connector structure with grounding conductor | |
| CN101677168B (en) | Electric connector assembly and its socket electric connector and plug electric connector | |
| CN207165858U (en) | Using the high-speed signal connector of semi-packing type barricade | |
| CN101248561B (en) | Communications connector for imparting crosstalk compensation between conductors and its mounting substrate | |
| CN103988375A (en) | Plug connector with shielding | |
| WO1999044400A3 (en) | Backplane having reduced lc product | |
| CN105977665A (en) | High-speed backboard socket connector with double-contact differential signal terminal | |
| CN105914503B (en) | High speed connector component, socket connector and pin connector | |
| CN206225595U (en) | Connector assembly | |
| CN206947651U (en) | High-speed signal connector with semi-packing type barricade | |
| CN106654728A (en) | Connector and communication equipment | |
| TWM588381U (en) | Electrical connector | |
| CN105826782B (en) | USB3.0 signal extended line systems based on FFC winding displacements | |
| US20160174373A1 (en) | Cable for alternative interconnect attachement | |
| CN101673129B (en) | Mainboard and PCI card applied on same | |
| CN109830854A (en) | For the shield assembly of high speed connector, modular structure and high speed connector | |
| CN103390818A (en) | Superspeed crosstalk resistant interface circuit for communication and socket comprising interface circuit | |
| CN205070056U (en) | Socket electric connector | |
| CN104882702B (en) | The structure-improved of 2 in 1 connector | |
| CN207320401U (en) | Wire pair board connector combines and its plate terminal adapter and line-end connector | |
| CN102176563A (en) | High speed transmission interface connector | |
| CN201994445U (en) | High-frequency socket connector | |
| CN205782715U (en) | A kind of multidirectional connector being applied on track lamp |
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 |
Address after: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Applicant after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Applicant before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |