CN209071736U - Female end signal transmission module with metal shielding board - Google Patents
Female end signal transmission module with metal shielding board Download PDFInfo
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- CN209071736U CN209071736U CN201920035308.8U CN201920035308U CN209071736U CN 209071736 U CN209071736 U CN 209071736U CN 201920035308 U CN201920035308 U CN 201920035308U CN 209071736 U CN209071736 U CN 209071736U
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- signal transmission
- metal shielding
- shielding board
- module
- transmission module
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Abstract
The utility model discloses a kind of female end signal transmission module with metal shielding board, including signal transmission module and the metal shielding board being fixed on signal transmission module, signal transmission module includes module housing, signal transmits reed and plastic packaging module, multiple spill cavitys are offered in module housing, signal transmission reed is mounted in concave shaped cavity body, it is offered in module housing and is arranged at intervals with pressing plate at a side of spill cavity, and pressing plate is between adjacent spill cavity, plastic packaging module is covered on spill cavity and closes spill cavity, signal transmission reed is set to form closed signal path, there is gap between plastic packaging module and pressing plate;More than two bridge structures are arranged at intervals on metal shielding board.Female end signal transmission module in the utility model with metal shielding board is applied in high-speed differential signal connector, can reduce interfering with each other between Difference signal pair as much as possible, shorten return flow path.
Description
Technical field
The utility model relates to high-speed-differential connector technique fields, and in particular to a kind of female end letter with metal shielding board
Number transmission module.
Background technique
At present in high-speed differential signal connector, the return flow path in transmission link around differential signal is connected by multiple spot
It connects and interconnects realization between metal screen to shorten return flow path and pass through, spacing is consistent between metal and metal
It needs to assist other structures, complex process is not easy to control.
In current high-speed differential signal connector, due to the limitation of its structure, the crosstalk between signal is serious, differential signal
It interferes with each other, the final laser propagation effect for influencing signal connector.
Utility model content
The purpose of this utility model is to provide a kind of female end signal transmission module with metal shielding board is solved due to letter
It may lead to insufficient contact and signal since each contact point is uneven when multiple components are assembled in number transmission module
The big problem of return flow path between.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of female end signal transmission module with metal shielding board, including signal transmission module transmit mould with signal is fixed on
Metal shielding board on block, above-mentioned signal transmission module include module housing, signal transmission reed and plastic packaging module, above-mentioned module
Multiple spill cavitys are offered on shell, above-mentioned signal transmission reed is mounted in concave shaped cavity body, opens up in above-mentioned module housing
It is arranged at intervals with pressing plate at a side for having spill cavity, and above-mentioned pressing plate is between adjacent spill cavity, above-mentioned pressure
Square boss is provided on plate, above-mentioned plastic packaging module is covered on above-mentioned spill cavity and closes spill cavity, passes signal
Defeated reed forms closed signal path, and has gap between above-mentioned plastic packaging module and above-mentioned pressing plate;Above-mentioned metallic shield
More than two bridge structures are arranged at intervals on plate, and above-mentioned bridge structure is raised towards the outside of metal shielding board.
Preferably, more than two above-mentioned bridge structures are uniformly arranged according to cornerwise mode.
Preferably, same direction of more than two above-mentioned bridge structures towards metal shielding board, and in above-mentioned gold
Belong to and be provided with bar shaped groove at the position for corresponding to bridge structure on barricade, the both ends of above-mentioned bridge structure are movably connected with
At the both ends of bar shaped groove.
Preferably, above-mentioned plastic packaging module and spill cavity correspond, the plastic sealed mould on adjacent above-mentioned spill cavity
It is linked together between block by transverse bar, and the both ends of above-mentioned plastic packaging module are nearby respectively connected with transverse bar.
Preferably, being arranged between two transverse bars at above-mentioned plastic packaging module both ends in 90 degree of directions, and above-mentioned module
Groove compatible with above-mentioned transverse bar is provided on shell, between having between the transverse bar and above-mentioned pressing plate at above-mentioned pressing plate
Gap.
Preferably, above-mentioned spill cavity is distributed according to the differential signal wiring path of signal transmission reed, above-mentioned spill
The cavity edge of cavity and the difference track edge of differential signal transmission reed have interval.
Preferably, two above-mentioned signal transmission reed composition differential pairs are mounted in the same concave shaped cavity body, and every
Two signals transmission reed in a differential pair is symmetrical set.
Preferably, the surface of above-mentioned module housing is covered with electroplated layer.
Preferably, offering on side of the above-mentioned module housing far from above-mentioned signal transmission switch jaw contact terminal for pacifying
The shielding part mounting groove of shielding part is filled, is provided with bending protrusion, above-mentioned bending on above-mentioned metal shielding board at corresponding position
Protrusion is adapted with above-mentioned shielding part mounting groove, and the protrusion side of the overbending direction of above-mentioned bending protrusion and above-mentioned bridge structure
To opposite.
Preferably, one end opposite with bending protrusion on above-mentioned metal shielding board is arranged at intervals with for solid with pedestal
Determine, the protruding teeth of conducting, is provided in a side of above-mentioned metal shielding board for " L " type latch fixed with pedestal.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, by the module housing in the female end signal transmission module of high-speed differential signal connector
Multiple spill cavitys are set, which is distributed according to difference wiring path and signal transmission reed is fixed on spill cavity
It is interior, to form closed signal path, the plating of spill cavity is finally made to be distributed in three faces of differential signal transmission surrounding,
Interfering with each other between Difference signal pair can be reduced.
Pressing plate and square boss is arranged in another aspect the utility model in module housing, and square boss has bullet
Property can be avoided all directions boss between multiple components and be uneven caused insufficient contact, while in plastic packaging module
The direction boss of the retention gap between pressing plate, packaging pressing plate end face has elasticity.
Metal shielding board is installed on signal transmission module in the utility model, and two are arranged on metal shielding board
Above bridge structure, after metal shielding board is fixed with female end signal transmission module, multiple female end signal transmission modules
It will do it laid out in parallel, can make to realize multiple spot between metal shielding board and the shielding shell of adjacent female end signal transmission module
Connection, to shorten return flow path.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the signal transmission module of the utility model.
Fig. 3 is the structural schematic diagram of the module housing of the utility model.
Fig. 4 is that the signal of the utility model transmits the structural schematic diagram that reed is mounted on module housing.
Fig. 5 is the structural schematic diagram of the metal shielding board of the utility model.
Fig. 6 is the plastic packaging module of the utility model and the structural schematic diagram of transverse bar.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
For one embodiment of the utility model, referring to Fig. 1,2,5, a kind of female end signal transmission with metal shielding board
Module, including signal transmission module and the metal shielding board 200 being fixed on signal transmission module, metal shielding board 200 is installed
On signal transmission module, differential signal can be shielded, while by the setting of metal shielding board, further shortened back
Flow path.
Above-mentioned signal transmission module includes module housing 101, signal transmission reed 102 and plastic packaging module 103, above-mentioned module
Multiple spill cavitys 104 are offered on shell 101, above-mentioned signal transmission reed 102 is mounted in spill cavity 104, above-mentioned modeling
Envelope module 103 is covered on above-mentioned spill cavity 104 and closes spill cavity 104, and signal transmission reed 102 is made to form closing
Signal path;Due to being provided with spill cavity in module housing 101 in the signal transmission module, and transmitted by signal
The Difference signal pair that reed 102 forms is fixed in concave shaped cavity body, after module housing is electroplated, so that spill cavity electricity
Plating is distributed in three faces of differential signal transmission surrounding, can reduce interfering with each other between Difference signal pair.
More than two bridge structures 201, and above-mentioned bridge structure are arranged at intervals on above-mentioned metal shielding board 200
201 is raised towards the outside of metal shielding board 200.Bridge structure 201 on the metal shielding board 200 is to protrude from metal screen
The arch-type structure of shield plate 200, the purpose that more than two bridge structures 201 are arranged on the metal shielding board 200 is when gold
After category barricade 200 and signal transmission module are fixed, multiple signal transmission modules will do it laid out in parallel, can make metal
Realize that multiple spot is connected between barricade 200 and the shielding shell of adjacent signal transmission module, to shorten return flow path.
Fig. 3 shows the structural schematic diagram of module housing 101, and according to the display of module housing 101, spill cavity 104 is set
It sets on the surface of module housing 101, and spill cavity 104 is presented curved channel-shaped, and the spill cavity 104 is from module
A side of shell 101 is extended towards adjacent a side.
It is offered in above-mentioned module housing 101 and is arranged at intervals with pressing plate 109 at a side of spill cavity 104, and on
Pressing plate 109 is stated between adjacent spill cavity, square boss 1091, above-mentioned plastic packaging module 103 are provided on above-mentioned pressing plate
There is gap between above-mentioned pressing plate 109.By setting pressing plate 109 and in the outside of pressing plate 109, square boss 1091 is set,
Square boss 1091 has elasticity, can be avoided contact caused by each square boss between multiple components is uneven and does not fill
Point, while can guarantee that the square boss of pressing plate end face has elasticity with gap between plastic module 103 and pressing plate 109.
Fig. 4 shows that signal transmission reed 102 is mounted on the structural schematic diagram in module housing 101, when signal transmits spring
When piece 102 is mounted in spill cavity 104, signal transmits reed 102 to be installed along the direction of spill cavity 104.When installation, modeling
It is two pieces that envelope module 103, which is divided to, and signal transmits 102 every two of reed and forms a differential pair, installs a signal transmission reed 102
Afterwards just cover one piece of plastic packaging module 103 so that between the same differential pair two signals transmission reed 102 formed away from
From convenient for forming cooperation with the contact pin of male end.
Further, on the basis of the above embodiments, more than two for another embodiment of the utility model
Above-mentioned bridge structure 201 is uniformly arranged according to cornerwise mode, i.e., the central point distribution of more than two bridge structures 201 is same
On one diagonal line, i.e., uniformly arrange on metal shielding board 200 according to cornerwise direction, arrangement mode energy in this way
Enough so that metal shielding board 200 is distributed on different x wires from multiple connectivity points of signal transmission module or vertical line
On, to further realize the multiple spot for realizing different location between metal shielding board 200 and the shielding shell of signal transmission module
Connection, shortens return flow path.
Further, on the basis of the above embodiments, more than two for another embodiment of the utility model
For above-mentioned bridge structure 201 towards the same direction of metal shielding board 200, bridge structure enables to stress towards same direction
The angle of Shi Shouli is consistent, convenient for the stability of structure, and corresponds to bridge structure 201 on above-mentioned metal shielding board 200
Position at be provided with bar shaped groove 202, the both ends of above-mentioned bridge structure 201 are respectively and movably connected to the two of bar shaped groove 202
End, the bar shaped groove 202 are groove body closed at both ends, hollow, and setting bar shaped groove is convenient to be attached bridge structure, and
In order to be connected to barricade with the more stably multiple spot of signal transmission module;On the other hand, which connects
It connects at the both ends of above-mentioned bar shaped groove 202, i.e. the rotation of certain angle can be presented in bridge structure 201, realize such structure
Hinged mode can be used.By the simulation analysis of mechanics, the rotation of bridge structure at an angle is fixed compared to bridge structure
There is smaller stress and equivalent stress when connection, i.e., be able to bear stronger interaction force by way of flexible connection,
So that total is more stable.
Further, for another embodiment of the utility model, on the basis of above-described embodiment, above-mentioned plastic packaging
Module 103 and spill cavity 104 correspond, and pass through transverse bar between the plastic packaging module 103 on adjacent above-mentioned spill cavity 104
107 are linked together, and the both ends of above-mentioned plastic packaging module 103 are nearby respectively connected with transverse bar 107.For the plastic packaging module 103
On transverse bar 107, plastic packaging module compatible with the spill cavity 104 is provided on each spill cavity 104, for body
Stability after existing structure assembling, therefore the plastic packaging module on each spill cavity 104 is linked together by transverse bar 107, and
And be provided with transverse bar near the both ends of plastic packaging module 103 and be connected and fixed, the convenient difference that signal transmission reed 102 is constituted
Point to carrying out stablizing fixation, at the same realize structure installation convenience and integrally-built stability.
Further, for another embodiment of the utility model, on the basis of above-described embodiment, above-mentioned plastic packaging
Be arranged between two transverse bars 107 at 103 both ends of module in 90 degree directions, and be provided in above-mentioned module housing 101 with it is upper
The compatible groove 108 of transverse bar 107 is stated, there is gap between the transverse bar 107 and above-mentioned pressing plate at above-mentioned pressing plate 109.
The connection structure of plastic packaging module 103 and transverse bar 107 is shown in Fig. 6, as seen from Figure 6, in the embodiment
In, three plastic packaging modules 103 are respectively provided with corresponding to three spill cavitys 104, by two in 90 in plastic packaging module 103
Plastic packaging module 103 is connected to become an entirety by the transverse bar 107 of degree direction setting, and when installation only needs will according to corresponding position
The plastic packaging module 103 being linked together by transverse bar 107 covers on spill cavity 104, and stabilized structure is easy for installation, simultaneously
In order to be bonded transverse bar 107 also more with module housing 101, therefore it is provided in module housing 101 and is adapted with transverse bar 107
Groove 108;In addition to all grooves opened up or concave shaped cavity body is enable to reduce between Difference signal pair to the maximum extent
Interfere with each other, therefore preferably two transverse bars 107 in plastic packaging module 103 are arranged in 90 degree directions, avoid arbitrarily slotting
Influence the crosstalk between signal.It can just be contacted with pressing plate additionally, due to transverse bar 107, therefore between transverse bar 107 and pressing plate
With gap.
Further, for another embodiment of the utility model, on the basis of the above embodiments, above-mentioned concave shaped cavity
Body 104 is distributed according to the differential signal wiring path of signal transmission reed 102, the cavity edge and difference of above-mentioned spill cavity 104
The difference track edge that sub-signal transmits reed 102 has interval.Cavity is distributed according to differential path in the present embodiment, on the one hand
Shorten return flow path as far as possible, reduce crosstalk between differential signal, on the other hand, spill cavity and differential signal guarantee a spacing
From being to preferably carry out impedance matching.
Above-mentioned difference wiring path is the adjacent side that the module housing 101 is extended to from a side of module housing 101
At side, and the contact terminal 1021 of above-mentioned signal transmission reed 102 stretches to the outside of module housing 101.In the present embodiment, limit
The path for determining difference cabling, since signal transmission reed 102 will carry out signal transmitting, then signal transmits the both ends of reed 102 all
Signal transmission may be carried out with other structures, therefore according to the transmission principle of signal connector, signal transmits reed 102 and arc is presented
Shape bending setting, therefore difference wiring path is to extend to the adjacent of the module housing 101 from a side of module housing 101
Side edge, the contact terminal 1021 to make signal transmit reed 102 are cooperated with male end contact pin, and signal transmits reed 102
Contact terminal 1021 stretches to the outside of module housing 101.
Further, for another embodiment of the utility model, on the basis of the above embodiments, two above-mentioned letters
Number transmission reed 102 forms differential pair and is mounted in the same spill cavity 104, and two signals in each differential pair pass
Defeated reed 102 is symmetrical set.In the present embodiment, in order to be cooperated with the contact pin in Male end connector, therefore it is same recessed
Need to fix two signal transmission reeds 102 in shape cavity 104, and two signal transmission reeds 102 form differential pair and are used for
Cooperated with the contact pin of male end, the contact terminal that signal transmission reed 102 is matched with male end contact pin is in opposite waveform
Bending setting, and signal transmission is carried out with male end contact pin.
Further, for another embodiment of the utility model, on the basis of the above embodiments, outside above-mentioned module
The surface of shell 101 is covered with electroplated layer.Electroplated layer can be the metal material of the conduction such as electronickelling, gold, silver, copper;In addition to mould
Block shell 101 can also be taken the case where not being electroplated, and metallic fiber is such as added in module housing, and adding graphite etc., all can make
The conductive appropriate materials of module housing 101;After plating, the plating of spill cavity is distributed in transmission on module housing 101 surface
Three faces of differential signal surrounding shield the signal interference between Difference signal pair;Go out additionally, due to signals transmission metal
Existing skin effect, module housing 101 be electroplated after can approximation regard metal as, be centered around around differential signal, returned as differential signal
Flow path reduces the interference of Difference signal pair therebetween, shortens signal return flow path.
Further, for another embodiment of the utility model, on the basis of the above embodiments, outside above-mentioned module
Shell 101 offers the shielding part installation for installing shielding part on the side far from above-mentioned signal transmission 102 contact terminal of reed
Slot 105, is provided with bending protrusion 203 on above-mentioned metal shielding board 200 at corresponding position, above-mentioned bending protrusion 203 with it is upper
It states shielding part mounting groove 105 to be adapted, and the protrusion of the overbending direction of above-mentioned bending protrusion 203 and above-mentioned bridge structure 201
It is contrary.When metal screen 200 is mounted in module housing 101, the bending protrusion 203 of metal screen 200 is just
It is inserted into the shielding part mounting groove 105 in module housing 101, can enable metal screen 200 is more firm to be fixed on
In module housing 101, metal can be regarded as after being electroplated due to module housing 101, the setting of the structure can also ensure that mould
Multiple spot is connected between block shell 101 and metal screen 200.
The end that shielding part mounting groove 105 is arranged in above-mentioned module housing 101 is provided with installation protrusion 106.The present embodiment
In, setting installation protrusion 106 is convenient for that female end progress transmission module is mounted on female end pedestal and is clamped by tail card.
Further, for another embodiment of the utility model, on the basis of the above embodiments, above-mentioned metal screen
One end opposite with bending protrusion 203 is arranged at intervals with the protruding teeth 204 for fixing, being connected with pedestal in shield plate 200, above-mentioned
It is provided in a side of metal shielding board 200 for " L " the type latch 205 fixed with pedestal.Protruding teeth in the present embodiment
For being fixed and being connected with pedestal, " L " type latch is to be fixed with pedestal.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification
Example " etc., referring to combining specific features, structure or the feature of embodiment description includes describing extremely in the application generality
In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one
For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations
Example realizes that this feature, structure or feature are also fallen in the scope of the utility model.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (10)
1. a kind of female end signal transmission module with metal shielding board, it is characterised in that: including signal transmission module and be fixed on
Metal shielding board (200) on signal transmission module,
The signal transmission module includes module housing (101), signal transmission reed (102) and plastic packaging module (103),
Multiple spill cavitys (104) are offered on the module housing (101), signal transmission reed (102) is mounted on recessed
In shape cavity (104),
It offers on the module housing (101) and is arranged at intervals with pressing plate (109) at a side of spill cavity (104), and
The pressing plate (109) is provided with square boss (1091) between adjacent spill cavity on the pressing plate,
The plastic packaging module (103) is covered on the spill cavity (104) and closes spill cavity (104), passes signal
Defeated reed (102) forms closed signal path, and between having between the plastic packaging module (103) and the pressing plate (109)
Gap;
It is arranged at intervals with more than two bridge structures (201) on the metal shielding board (200), and the bridge structure
(201) towards the outside of metal shielding board (200) protrusion.
2. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: more than two
The bridge structure (201) is uniformly arranged according to cornerwise mode.
3. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: more than two
The bridge structure (201) towards metal shielding board (200) same direction, and in the metal shielding board (200) on pair
It should be provided at the position of bridge structure (201) bar shaped groove (202), the activity respectively of the both ends of the bridge structure (201)
It is connected to the both ends of bar shaped groove (202).
4. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: the plastic sealed mould
Block (103) and spill cavity (104) correspond, and lead between the plastic packaging module (103) on the adjacent spill cavity (104)
It crosses transverse bar (107) to be linked together, and the both ends of the plastic packaging module (103) are nearby respectively connected with transverse bar (107).
5. the female end signal transmission module according to claim 4 with metal shielding board, it is characterised in that: the plastic sealed mould
In 90 degree of direction settings between two transverse bars (107) at block (103) both ends, and it is provided in the module housing (101)
The compatible groove (108) with the transverse bar (107), between the transverse bar (107) and the pressing plate at the pressing plate (109)
With gap.
6. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: the concave shaped cavity
Body (104) is distributed according to the differential signal wiring path of signal transmission reed (102), the cavity side of the spill cavity (104)
The difference track edge of edge and differential signal transmission reed (102) has interval.
7. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: two letters
Number transmission reed (102) composition differential pair is mounted in the same spill cavity (104), and two letters in each differential pair
Number transmission reed (102) is symmetrical set.
8. the female end signal transmission module described in any one with metal shielding board, feature exist according to claim 1~7
In: the surface of the module housing (101) is covered with electroplated layer.
9. the female end signal transmission module according to claim 7 with metal shielding board, it is characterised in that: outside the module
Shell (101) offers the shielding part for installing shielding part on the side far from signal transmission reed (102) contact terminal
Mounting groove (105), bending protrusion (203) is provided on the metal shielding board (200) at corresponding position, the bending is convex
Portion (203) is adapted with the shielding part mounting groove (105), and the overbending direction and the bridge of bending protrusion (203)
The protrusion direction of girder construction (201) is opposite.
10. the female end signal transmission module according to claim 8 with metal shielding board, it is characterised in that: the metal
One end opposite with bending protrusion (203) is arranged at intervals with the protruding teeth for fixing, being connected with pedestal on barricade (200)
(204), it is provided in a side of the metal shielding board (200) for " L " the type latch (205) fixed with pedestal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920035308.8U CN209071736U (en) | 2019-01-09 | 2019-01-09 | Female end signal transmission module with metal shielding board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920035308.8U CN209071736U (en) | 2019-01-09 | 2019-01-09 | Female end signal transmission module with metal shielding board |
Publications (1)
Publication Number | Publication Date |
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CN209071736U true CN209071736U (en) | 2019-07-05 |
Family
ID=67102742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920035308.8U Active CN209071736U (en) | 2019-01-09 | 2019-01-09 | Female end signal transmission module with metal shielding board |
Country Status (1)
Country | Link |
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CN (1) | CN209071736U (en) |
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2019
- 2019-01-09 CN CN201920035308.8U patent/CN209071736U/en active Active
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Address after: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Patentee after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Patentee before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |