CN108235671A - A kind of EMI plugging devices and a kind of light communication system - Google Patents
A kind of EMI plugging devices and a kind of light communication system Download PDFInfo
- Publication number
- CN108235671A CN108235671A CN201711251154.8A CN201711251154A CN108235671A CN 108235671 A CN108235671 A CN 108235671A CN 201711251154 A CN201711251154 A CN 201711251154A CN 108235671 A CN108235671 A CN 108235671A
- Authority
- CN
- China
- Prior art keywords
- emi
- fiber connector
- closeouts
- plugging devices
- lower housing
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 61
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
- H05K9/0016—Gaskets or seals having a spring contact
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0058—Casings specially adapted for optoelectronic applications
Abstract
The present invention relates to electronic technology fields, more particularly to a kind of EMI plugging devices and a kind of light communication system, the lower housing of cooperation is loaded including upper shell and with upper shell, the EMI plugging devices further include fiber connector and the EMI closeouts being connected with fiber connector and the fixed seat being fixedly connected with lower housing, the EMI closeouts are set on fiber connector, and the fiber connector is fixed in fixed seat；Wherein, the EMI closeouts are made of an electrically conducting material.The fiber connector and EMI closeouts interference fit, when being assemblied in housing, EMI closeouts can deform upon, and ensure to form continuous conductive sealing layer between the having the gap of plugging device, can effectively stop the leakage of EMI.
Description
Technical field
The present invention relates to electronic technology fields, and in particular to a kind of EMI plugging devices and a kind of light communication system.
Background technology
With the rising of signal transmission rate, the challenge of bigger is proposed to the EMI closure of light communication system.Using light as
Medium transmission rate has a variety of advantages, and optical cable disengaging light communication system is needed through fiber connector, signal transmission rate
It is higher, it is meant that the wavelength of EMI interference sources is lower, if the interference source wavelength of 25G is 12mm, to the gap of 3mm or so still
There is preferable penetrability, the gap between fiber connector and light communication system needs effective continuous conduction to contact；In addition, work as
It is all parallel channel that preceding light communication system, which has many, is typically provided with multiple smooth connectors, it means that the difficulty that EMI is blocked will
It can bigger.
At present, it is mostly that conduction EMI glue or the point EMI glue on fiber connector are put on housing that EMI, which blocks mode, then
It needs in addition to be equipped with automatic dispensing machine；Also, fiber connector in parallel is not usually plane in the corresponding position of housing,
EMI adhesive tape is not easy to adhere to；And EMI glue has the risk scraped during housing is transported, if wanting to restore EMI after scraping
Function is blocked to also need to reuse automatic dispensing machine point EMI glue on housing.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of EMI and blocks dress
It puts, solves the problems, such as flexibly block EMI.
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of light communication system,
It solves the problems, such as flexibly block EMI.
To solve the technical problem, the present invention provides a kind of EMI plugging devices, is loaded including upper shell and with upper shell
The lower housing of cooperation, the EMI that the EMI plugging devices further include fiber connector and are connected with fiber connector are sealed
Blocking piece and the fixed seat being fixedly connected with lower housing, the fixed seat are equipped with fixing port, and the EMI closeouts are set in
On fiber connector, the fiber connector is fixed on by fixing port in fixed seat；Wherein, the EMI closeouts are by conduction
Material is made.
Wherein, preferred version is：The EMI closeouts include the main body being adapted with fiber connector end shape, with
And the extension being extended along main body both ends, the quantity of the main body is consistent with the quantity of fiber connector, the main body point
It is not set on fiber connector, and the extension between fiber connector abuts.
Wherein, preferred version is：It is interference fitted between the EMI closeouts and fiber connector, the lower housing is equipped with
The first holding tank being adapted with EMI closeouts shapes and the second holding tank being adapted with fiber connector shape, it is described
Upper shell and lower housing load when coordinating, and the EMI closeouts squeeze into the first holding tank, and the fiber connector squeezes into the
Two holding tanks.
Wherein, preferred version is：The upper shell and lower housing are made of an electrically conducting material.
Wherein, preferred version is：The EMI plugging devices further include elastic parts, and the elastic parts includes fixed plate
And shrapnel, described shrapnel one end connect fixed plate, the other end is extended along the direction of fixed seat, and the shrapnel
It is central raised.
Wherein, preferred version is：The upper shell is equipped with a groove, and the fixed plate is sheathed on groove；The lower casing
Body is equipped with buckling groove, and the opening both ends of the fixed plate are equipped with extension in opposite directions, and the extension is equipped with to match with buckling groove
The clamping portion of conjunction.
Wherein, preferred version is：Every one side of the fixed plate, which is extended, shrapnel.
Wherein, preferred version is：The EMI plugging devices further include pcb board, and the pcb board passes through with fiber connector
One tabletting connects, and the lower housing is equipped with the third holding tank being adapted with pcb board shape, and the upper shell is loaded with lower housing
During cooperation, the pcb board is located in third holding tank.
Wherein, preferred version is：One end of the upper shell is equipped with the first mounting hole, and the other end is equipped with second and fixes
Hole, one end of the lower housing are equipped with third mounting hole corresponding with the first mounting hole, and the other end is equipped with and the second mounting hole
Corresponding 4th mounting hole, first mounting hole and the second mounting hole are provided through the first screw, the third mounting hole
The second screw is provided through with the 4th mounting hole.
The present invention also provides a kind of light communication system, the light communication system includes EMI plugging devices as described above.
The beneficial effects of the present invention are, compared with prior art, the present invention by design and a kind of EMI plugging devices and
A kind of light communication system, equipped with fiber connector and EMI closeouts, and fiber connector and EMI closeouts are interference fitted, dress
When fitting in housing, EMI closeouts can deform upon, and ensure to form continuous conductive seal between the having the gap of plugging device
Layer, can effectively stop the leakage of EMI；Meanwhile the extension of the EMI closeouts has certain lap, makes fiber connector
Between also form the conductive wall continuously contacted with, ensure to maximize and play EMI plugging actions；In addition, shrapnel is additionally provided with, it can be closely sealed
The gap of device enhances web contact, effectively prevent electromagnetic radiation.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the explosive view of EMI plugging devices of the present invention；
Fig. 2 is the schematic diagram of EMI closeouts of the present invention；
Fig. 3 is the schematic diagram that EMI closeouts of the present invention are set in fiber connector；
Fig. 4 is the schematic diagram that fiber connector of the present invention is fixed on fixed seat；
Fig. 5 is the schematic diagram that upper shell and lower housing of the present invention load cooperation；
Fig. 6 is the schematic diagram of EMI package device of the present invention.
Specific embodiment
In conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As shown in Figure 1 to Figure 2, the present invention provides a kind of preferred embodiment of EMI plugging devices.
A kind of EMI plugging devices, EMI (Electromagnetic Interference, Chinese are translated into electromagnetic interference) are
Refer to the interference phenomenon generated after electromagnetic wave and electronic component effect, there is two kinds of Conduction Interference and radiation interference；Conduction Interference is
Refer to and the signal on an electric network is coupled to by conducting medium by another electric network；Radiation interference refers to that interference source passes through sky
Between its signal is coupled to another electric network, in High-Speed PCB and system design, high-frequency signal line, integrated circuit pin,
All kinds of connectors etc. are all likely to become the radiation interference source with antenna performance, can emit electromagnetic wave and influence other systems or sheet
The normal work of other subsystems in system；The EMI plugging devices include upper shell 10 and load with upper shell 10 to coordinate
Lower housing 20, the EMI plugging devices further include fiber connector 30 and the EMI being connected with fiber connector 30
Closeouts 40 and the fixed seat 21 being fixedly connected with lower housing 20, the fiber connector 30 be provided with it is at least one, it is described
Fixed seat 21 is equipped with fixing port 211, and the fixing port 211 runs through fixed seat 21, and the EMI closeouts 40 are set in optical fiber company
On connector 30, the fiber connector 30 is fixed on by being caught in fixing port 211 in fixed seat 21, the EMI closeouts 40 by
Conductive material is made, and the EMI closeouts 40 are reached the seal line of continuous conduction, made for the gap in filling machine contact
The gap for obtaining EMI devices forms continuous conductive sealing layer, so as to achieve the purpose that block EMI.Or according to requirements
Difference, the EMI closeouts 40 can adjust material, be applicable in the EMI interference sources for blocking different-waveband.
In the present embodiment, and with reference to figure 2, the EMI closeouts 40 include mutually fitting with 30 end shape of fiber connector
The main body 41 answered, such as 30 end shape of fiber connector are circle, and the shape of the main body 41 is also circle, the EMI envelopes
Blocking piece 40, which is further included, to be provided only with one between the extension 42 being extended along 41 both ends of main body or the EMI closeouts 40 and prolongs
Long portion 42, the outer end of outermost EMI closeouts 40 is equipped with extension 42, to save installation cost；Also, the main body 41
Quantity is consistent with the quantity of fiber connector 30, and the main body 41 is respectively sleeved on fiber connector 30, and the extension
Portion 42 keeps a straight line, and the extension 42 between fiber connector 30 abuts so that fills up the interior of EMI plugging devices
Portion gap.
Wherein, it and with reference to figure 1 and Fig. 2, is interference fitted between the EMI closeouts 40 and fiber connector 30, alternatively, institute
It states there are the gap of very little between EMI closeouts 40 and fiber connector 30, the gap must not influence the EMI closeouts 40
It is arranged into fiber connector 30, the EMI closeouts 40 have elasticity, and the lower housing 20 is equipped with and 40 shape of EMI closeouts
The first adaptable holding tank 22 and the second holding tank 23 being adapted with 30 shape of fiber connector, the upper shell 10
When loading cooperation with lower housing 20, the EMI closeouts 40 squeeze into the first holding tank 22, and the fiber connector 30 squeezes into
Second holding tank 23；Ensure EMI closeouts 40 when being caught in lower housing 20, when on radially or axially, the EMI closeouts
40 can occur certain deformation, so that EMI closeouts 40 are to continuously contact with and conduct with lower housing 20；Also, by institute
It states EMI closeouts 40 and fiber connector 30 is interference fitted, the extension 42 between adjacent EMI closeouts 40 has certain weight
Folded amount when the upper shell 10 and lower housing 20 load cooperation, also forms what is continuously contacted between the fiber connector 30
Conductive wall is maximized with this and plays EMI plugging actions.
Preferably, the upper shell 10 and lower housing 20 are made of an electrically conducting material or difference according to requirements, can
Material is adjusted, is applicable in the EMI interference sources for blocking different-waveband；Conductive material can be used in the fixed seat 21, and non-lead also can be used
Electric material.
Further, and with reference to figure 1, the EMI plugging devices further include elastic parts, and the elastic parts includes fixing
Plate 51 and shrapnel 52, described 52 one end of shrapnel connect fixed plate 51, and the other end is extended along the direction of fixed seat 21, and
And the shrapnel 52 central raised and, the fixed plate 51 is " Contraband " type, and every one side of the fixed plate 51, which extends, to be set
Shrapnel 52 is equipped with, i.e., three sides of described fixed plate 51, which are extended, shrapnel 52；The shrapnel 52 being capable of closely sealed EMI closure dress
The gap put enhances web contact, effectively prevent electromagnetic radiation.
Wherein, and with reference to figure 1, the upper shell 10 is equipped with a groove 11, the groove 11 and the shape phase of fixed plate 51
It adapts to, the fixed plate 51 is sheathed on groove 11；The lower housing 20 is equipped with buckling groove, the opening both ends of the fixed plate 51
It is equipped with extension 53 in opposite directions, the extension 53 is equipped with clamping portion 531 matched with buckling groove, anti-by clamping portion 531
It is buckled on buckling groove, realizes that the elastic parts is fixed on lower housing 20；Alternatively, the fixed plate 51 is directly consolidated by screw
It is scheduled on the lower housing 20.
Further, and with reference to figure 1, the EMI plugging devices further include pcb board, the pcb board and fiber connector
30 are connected by a tabletting, and the lower housing 20 is equipped with the third holding tank 24 being adapted with pcb board shape, the upper shell 10
When loading cooperation with lower housing 20, the pcb board is located in third holding tank 24, and the pcb board is equipped with optical communication circuit, with
Realize optical fiber effect.
In the present embodiment, and with reference to figure 1, one end of the upper shell 10 is equipped with the first mounting hole 12, and the other end is set
Have the second mounting hole 13, one end of the lower housing 20 be equipped with 12 corresponding third mounting hole 25 of the first mounting hole, it is another
End is equipped with runs through setting with 13 corresponding 4th mounting hole 26 of the second mounting hole, 12 and second mounting hole 13 of the first mounting hole
There is the first screw, 25 and the 4th mounting hole 26 of third mounting hole is provided through the second screw, with this upper shell 10 firmly
It is fixed on lower housing 20, the EMI plugging devices good airproof performance, and fastness is strong, is hardly damaged.
As shown in Figures 3 to 6, the present invention also provides a kind of assembling process of EMI plugging devices.
With reference to figure 3, first EMI closeouts 40 are arranged into along the top of fiber connector 30, due to fiber connector
30 gradually increase from the top towards bottom end, and the EMI closeouts 40 are parked at first increase position, and against increasing position at first
It puts, realizes that EMI closeouts 40 and fiber connector 30 are interference fitted；With reference to figure 4, then, fiber connector 30 is sticked into fixation
Seat 21, the EMI closeouts 40 squeeze into the first holding tank 22, and the fiber connector 30 squeezes into the second holding tank 23, institute
It states pcb board and is placed into third holding tank 24, and adjust the position of EMI closeouts 40, extension 42 is made to keep straight line；With reference to
Finally, the lower housing 20 is fastened on upper shell 10 by Fig. 5, and is passed through the first screw and be screwed into the first mounting hole 12 and third
Mounting hole 25 and the second mounting hole 13 and the 4th mounting hole 26 are screwed by the second screw, realize upper shell 10 and lower housing
20 fixation.Fig. 6 shows the EMI plugging devices that assembling finishes, and the EMI closeouts 40, which are squeezed, to be deformed upon, described
There is also mistakes in the face contacted between extension 42 with EMI closeouts 40 respectively there are interference, the upper shell 10 and lower housing 20
It is full of so that the inside of EMI plugging devices is to continuously contact with and conduct, and the gap of the EMI devices forms continuous conduction
Sealant can realize the purpose for blocking EMI.
It is provided in this embodiment to be provided with the EMI plugging devices of two fiber connectors 30, but this is not limited only to, it is described
EMI plugging devices can be equipped with multiple fiber connectors 30, not limit herein.
The present invention also provides a kind of preferred embodiments of light communication system.
A kind of light communication system, such as light cross-connecting box, optical transmitter and receiver, bare electrode machine etc., the light communication system are included as above
The EMI plugging devices.
In conclusion the foregoing is merely a prefered embodiment of the invention, it is not intended to limit the scope of the present invention.
Any modification made all within the spirits and principles of the present invention, equivalent replacement, improve etc., it should be included in the guarantor of the present invention
In the range of shield.
Claims (10)
1. a kind of EMI plugging devices load the lower housing of cooperation including upper shell and with upper shell, it is characterised in that：It is described
EMI plugging devices further include fiber connector and the EMI closeouts being connected with fiber connector and and lower housing
The fixed seat being fixedly connected, the EMI closeouts are set on fiber connector, and the fiber connector is fixed on fixed seat
In；Wherein, the EMI closeouts are made of an electrically conducting material.
2. EMI plugging devices according to claim 1, it is characterised in that：The EMI closeouts include and fiber connector
The main body and the extension being extended along main body both ends that end shape is adapted, the quantity of the main body are connect with optical fiber
The quantity of head is consistent, and the main body is respectively sleeved on fiber connector, and the extension phase between fiber connector
Mutually against.
3. EMI plugging devices according to claim 2, it is characterised in that：Between the EMI closeouts and fiber connector
Interference fit, the lower housing be equipped with the first holding tank for being adapted with EMI closeouts shapes and with fiber connector shape
The second adaptable holding tank, when the upper shell loads cooperation with lower housing, the EMI closeouts squeeze into the first receiving
Slot, the fiber connector squeeze into the second holding tank.
4. EMI plugging devices according to claim 1, it is characterised in that：The upper shell and lower housing are by conductive material
It is made.
5. EMI plugging devices according to any one of claims 1 to 4, it is characterised in that：The EMI plugging devices further include
Elastic parts, the elastic parts include fixed plate and shrapnel, and described shrapnel one end connects fixed plate, and the other end is along fixation
The direction of seat is extended, and the shrapnel is central raised.
6. EMI plugging devices according to claim 5, it is characterised in that：The upper shell is equipped with a groove, the fixation
Sleeve-board is set on groove；The lower housing is equipped with buckling groove, and the opening both ends of the fixed plate are equipped with extension in opposite directions, described to prolong
Extending portion is equipped with and the matched clamping portion of buckling groove.
7. EMI plugging devices according to claim 6, it is characterised in that：Every one side of the fixed plate is extended
There is shrapnel.
8. EMI plugging devices according to claim 5, it is characterised in that：The EMI plugging devices further include pcb board, institute
It states pcb board to connect by a tabletting with fiber connector, the lower housing is equipped with the third being adapted with pcb board shape and accommodates
Slot, when the upper shell loads cooperation with lower housing, the pcb board is located in third holding tank.
9. EMI plugging devices according to claim 1, it is characterised in that：One end of the upper shell is equipped with first and fixes
Hole, the other end are equipped with the second mounting hole, and one end of the lower housing is equipped with third mounting hole corresponding with the first mounting hole,
The other end is equipped with the 4th mounting hole corresponding with the second mounting hole, and first mounting hole and the second mounting hole are provided through the
One screw, the third mounting hole and the 4th mounting hole are provided through the second screw.
10. a kind of light communication system, it is characterised in that：The light communication system is included as described in claim 1 to 9 is any
EMI plugging devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251154.8A CN108235671A (en) | 2017-12-01 | 2017-12-01 | A kind of EMI plugging devices and a kind of light communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251154.8A CN108235671A (en) | 2017-12-01 | 2017-12-01 | A kind of EMI plugging devices and a kind of light communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108235671A true CN108235671A (en) | 2018-06-29 |
Family
ID=62653228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711251154.8A Pending CN108235671A (en) | 2017-12-01 | 2017-12-01 | A kind of EMI plugging devices and a kind of light communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108235671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134595A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Optical port shielding and fixing apparatus, optical module and communication device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902023A (en) * | 2011-07-26 | 2013-01-30 | 住友电气工业株式会社 | Optical transceiver with finger tightly fastened to housing |
| CN203811851U (en) * | 2014-03-21 | 2014-09-03 | 索尔思光电（成都）有限公司 | Light transceiver module |
| US20150256260A1 (en) * | 2014-03-05 | 2015-09-10 | Sumitomo Electric Industries, Ltd. | Pluggable optical transceiver with shield finger rigidly fixed to housing |
| CN205430252U (en) * | 2016-03-18 | 2016-08-03 | 索尔思光电（成都）有限公司 | Optical module with conductine gasket structure |
| CN207678185U (en) * | 2017-12-01 | 2018-07-31 | 昂纳信息技术（深圳）有限公司 | A kind of EMI plugging devices and a kind of light communication system |
-
2017
- 2017-12-01 CN CN201711251154.8A patent/CN108235671A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902023A (en) * | 2011-07-26 | 2013-01-30 | 住友电气工业株式会社 | Optical transceiver with finger tightly fastened to housing |
| US20150256260A1 (en) * | 2014-03-05 | 2015-09-10 | Sumitomo Electric Industries, Ltd. | Pluggable optical transceiver with shield finger rigidly fixed to housing |
| CN203811851U (en) * | 2014-03-21 | 2014-09-03 | 索尔思光电（成都）有限公司 | Light transceiver module |
| CN205430252U (en) * | 2016-03-18 | 2016-08-03 | 索尔思光电（成都）有限公司 | Optical module with conductine gasket structure |
| CN207678185U (en) * | 2017-12-01 | 2018-07-31 | 昂纳信息技术（深圳）有限公司 | A kind of EMI plugging devices and a kind of light communication system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134595A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Optical port shielding and fixing apparatus, optical module and communication device |
| US11747580B2 (en) | 2019-12-31 | 2023-09-05 | Huawei Technologies Co., Ltd. | Optical port shielding and fastening apparatus, optical module, and communications device |
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Address after: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Applicant after: Ona Technology (Shenzhen) Group Co.,Ltd. Address before: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Applicant before: O-NET COMMUNICATIONS (SHENZHEN) Ltd. |
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