CN105510762B - The test method of intelligence test circuit for USB TYPE-C wire rod - Google Patents
The test method of intelligence test circuit for USB TYPE-C wire rod Download PDFInfo
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- CN105510762B CN105510762B CN201610013460.7A CN201610013460A CN105510762B CN 105510762 B CN105510762 B CN 105510762B CN 201610013460 A CN201610013460 A CN 201610013460A CN 105510762 B CN105510762 B CN 105510762B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The present invention relates to a kind of intelligence test circuits and its test method for USB TYPE-C wire rod, and testing circuit includes: DisplayPort signal input part；It is electrically connected the first USB TYPE-C socket end of DisplayPort signal input part；2nd USB TYPE-C socket end；It is electrically connected several two-way switching switches of the 2nd USB TYPE-C socket end；It is electrically connected the DisplayPort signal output end of two-way switching switch, for receiving DisplayPort test signal；It is electrically connected the display of DisplayPort signal output end.The first end and second end of TYPE-C wire rod is plugged on the first USB TYPE-C socket end and the 2nd USB TYPE-C socket end respectively, whether shown by judging that DisplayPort tests signal in display with presetting resolution ratio, if not, user triggers several two-way switching switches and switches connection between several preset pins of the 2nd USB TYPE-C socket end, to realize that electrical connection when simple operations can be completed to USB Type-C wire rod positive anti-plug is tested.
Description
Technical field
The present invention relates to USB Type-C wire rod technical fields, more particularly to a kind of intelligence for USB TYPE-C wire rod
Circuit and its test method can be tested.
Background technique
There are mainly three types of transfer functions by USB Type-C, are usb data, power supply/charge, DisplayPort video respectively.
It concludes and, USB Type-C has at least the following advantages: 1, largest data transfer speed reaches 10Gbit/ seconds and USB
3.1 standard；2, the size of USB Type-C socket end is about 8.3mm × 2.5mm；3, support can be inserted into from tow sides
" positive anti-plug " function, can bear 10,000 times and plug repeatedly.Based on above-mentioned advantage, in the near future, mobile phone, plate, notebook,
The communication interface of the electronics such as desktop computer can standard configuration USB Type-C, USB Type-C wire rod the market demand it is huge
Greatly.
The plug of USB Type-C wire rod has pin as shown in Figure 2；USB Type-C socket end has draws as shown in Figure 3
Foot.
Electricity when the positive anti-plug of first end and second end of USB Type-C wire rod is tested before the factory of USB Type-C wire rod
Whether gas connection is normal, and traditional way need to test four times: that is, first end carries out positive anti-plug test twice, after exchanging second end
Positive and negative test is carried out again twice, is led to that testing time is more, the used time is longer, is unfavorable for the batch production of USB Type-C wire rod.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, provide a kind of intelligence test circuit for USB TYPE-C wire rod and
Its test method, electrical connection when simple operations can be completed to USB Type-C wire rod positive anti-plug are tested.
A kind of intelligence test circuit for USB TYPE-C wire rod, comprising:
DisplayPort signal input part, for receiving DisplayPort test signal；
It is electrically connected the first USB TYPE-C socket end of the DisplayPort signal input part, is used for grafting USB
The first end of TYPE-C wire rod；
2nd USB TYPE-C socket end, the second end for grafting USB TYPE-C wire rod；
Several two-way switching switches of the 2nd USB TYPE-C socket end are electrically connected, for responding the triggering of user,
Switch connection between several preset pins of the 2nd USB TYPE-C socket end；
It is electrically connected the DisplayPort signal output end of the two-way switching switch, for receiving the DisplayPort
Test signal；
It is electrically connected the display of the DisplayPort signal output end, for receiving the DisplayPort test letter
Number, and signal is tested according to the DisplayPort and is shown.
The DisplayPort signal output end has pin listed by following table in one of the embodiments:
| Pin | Definition | Pin | Definition |
| 1 | ML_Lane0(p) | 11 | GND |
| 2 | GND | 12 | ML_Lane3(n) |
| 3 | ML_Lane0(n) | 13 | CONFIG1 |
| 4 | ML_Lane1(p) | 14 | CONFIG2 |
| 5 | GND | 15 | AUX CH(p) |
| 6 | ML_Lane1(n) | 16 | GND |
| 7 | ML_Lane2(p) | 17 | AUX CH(n) |
| 8 | GND | 18 | Hot Plug Detect |
| 9 | ML_Lane2(n) | 19 | Return |
| 10 | ML_Lane3(p) | 20 | DP_PWR |
Wherein, the number of the two-way switching switch is eight, and each two-way switching switch includes: fixing end, first
Switch terminal and the second switch terminal；
The ML_Lane0 (p) of fixing end and the DisplayPort signal output end that first two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the A2 pin of USB Type-C socket end, the second switch terminal and USB Type-
The B2 pin of C socket end is electrically connected；
The ML_Lane0 (n) of fixing end and the DisplayPort signal output end that second two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the A3 pin of USB Type-C socket end, the second switch terminal and USB Type-
The B3 pin of C socket end is electrically connected；
The fixing end of the two-way switching switch of third and the ML_Lane1 (p) of the DisplayPort signal output end draw
Foot electrical connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, the second switch terminal and USB
The B10 pin of Type-C socket end is electrically connected；
The ML_Lane1 (n) of fixing end and the DisplayPort signal output end that 4th two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the A11 pin of USB Type-C socket end, the second switch terminal and USB
The B11 pin of Type-C socket end is electrically connected；
The ML_Lane2 (p) of fixing end and the DisplayPort signal output end that 5th two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the B2 pin of USB Type-C socket end, the second switch terminal and USB Type-
The A2 pin of C socket end is electrically connected；
The ML_Lane2 (n) of fixing end and the DisplayPort signal output end that 6th two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, the second switch terminal and USB
The A3 pin of Type-C socket end is electrically connected；
The ML_Lane3 (p) of fixing end and the DisplayPort signal output end that 7th two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the B10 pin of USB Type-C socket end, the second switch terminal and USB
The B10 pin of Type-C socket end is electrically connected；
The ML_Lane3 (n) of fixing end and the DisplayPort signal output end that 8th two-way switching switchs draws
Foot electrical connection, the first switch terminal are electrically connected with the B11 pin of USB Type-C socket end, the second switch terminal and USB
The A11 pin of Type-C socket end is electrically connected.
A kind of test method of the intelligence test circuit for USB TYPE-C wire rod, comprising:
The first end of USB TYPE-C wire rod and the first USB TYPE-C socket end grafting, the second of USB TYPE-C wire rod
End and the 2nd USB TYPE-C socket end grafting；
DisplayPort signal input part receives DisplayPort and tests signal；
DisplayPort signal output end receives the DisplayPort and tests signal；
Judge whether display is shown with default resolution ratio, if it is not, several two-way switching switches of user's triggering are in the 2nd USB
Switch connection between several preset pins of TYPE-C socket end.
Above-mentioned intelligence test circuit and its test method for USB TYPE-C wire rod, the first end of TYPE-C wire rod and
Second end is plugged on the first USB TYPE-C socket end and the 2nd USB TYPE-C socket end respectively, passes through judgement
Whether DisplayPort signal input part received DisplayPort test signal shown in display with default resolution ratio, if
No, user triggers several two-way switching switches and switches company between several preset pins of the 2nd USB TYPE-C socket end
It connects, to realize that electrical connection when simple operations can be completed to USBType-C wire rod positive anti-plug is tested.
Detailed description of the invention
Fig. 1 is the structural block diagram for inventing the intelligence test circuit for USB TYPE-C wire rod of a preferred embodiment；
Fig. 2 is that the plug pin of USB Type-C wire rod defines table；
Fig. 3 is that USB Type-C socket end pin defines table；
Fig. 4 is that two-way switching switch connect and shows with DisplayPort signal output end and USB Type-C socket end respectively
It is intended to.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
As shown in Figure 1, the knot of the intelligence test circuit 30 for USB TYPE-C wire rod of a preferred embodiment of the present invention
Structure block diagram, comprising: DisplayPort signal input part 31, the first USB for being electrically connected DisplayPort signal input part 31
TYPE-C socket end 32, is electrically connected the several two-way of the 2nd USB TYPE-C socket end 33 at the 2nd USB TYPE-C socket end 33
Switch switch 34, the DisplayPort signal output end 35 of the two-way switching switch 34 of electrical connection and electrical connection DisplayPort
The display 36 of signal output end 35.
DisplayPort signal input part 31 is for receiving DisplayPort test signal.In practical applications,
DisplayPort signal input part 31 connects the DisplayPort signal output port on computer, defeated by operation computer
DisplayPort tests signal out.First USB TYPE-C socket end 32 is used for the first end of grafting USB TYPE-C wire rod 40.
2nd USB TYPE-C socket end 33 is used for the second end of grafting USB TYPE-C wire rod 40.Several two-way switching switches 34 are used for
The triggering for responding user switches connection between several preset pins of the 2nd USB TYPE-C socket end 33.
DisplayPort signal output end 35 is for receiving DisplayPort test signal.Display is for receiving DisplayPort
Signal is tested, and signal is tested according to DisplayPort and is shown.
USB Type-C shown in table and Fig. 3 is defined refering to the plug pin of USB Type-C wire rod as shown in Figure 2
Socket end pin defines table.
Specifically in the present embodiment, DisplayPort signal output end 35 has pin listed by following table:
| Pin | Definition | Pin | Definition |
| 1 | ML_Lane0(p) | 11 | GND |
| 2 | GND | 12 | ML_Lane3(n) |
| 3 | ML_Lane0(n) | 13 | CONFIG1 |
| 4 | ML_Lane1(p) | 14 | CONFIG2 |
| 5 | GND | 15 | AUX CH(p) |
| 6 | ML_Lane1(n) | 16 | GND |
| 7 | ML_Lane2(p) | 17 | AUX CH(n) |
| 8 | GND | 18 | Hot Plug Detect |
| 9 | ML_Lane2(n) | 19 | Return |
| 10 | ML_Lane3(p) | 20 | DP_PWR |
Refering to Fig. 4, the number of two-way switching switch is eight, and each two-way switching switch includes: fixing end, the first switch terminal
With the second switch terminal.
ML_Lane0 (p) the pin electricity of the fixing end of first two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A2 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B2 pin electrical connection at seat end.
ML_Lane0 (n) the pin electricity of the fixing end of second two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A3 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B3 pin electrical connection at seat end.
The fixing end of the two-way switching switch of third and ML_Lane1 (p) the pin electricity of DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B10 pin electrical connection at seat end.
ML_Lane1 (n) the pin electricity of the fixing end of 4th two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A11 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B11 pin electrical connection at seat end.
ML_Lane2 (p) the pin electricity of the fixing end of 5th two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the B2 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The A2 pin electrical connection at seat end.
ML_Lane2 (n) the pin electricity of the fixing end of 6th two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The A3 pin electrical connection at seat end.
ML_Lane3 (p) the pin electricity of the fixing end of 7th two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the B10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B10 pin electrical connection at seat end.
ML_Lane3 (n) the pin electricity of the fixing end of 8th two-way switching switch and DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the B11 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The A11 pin electrical connection at seat end.
The present invention also provides a kind of test methods of intelligence test circuit for USB TYPE-C wire rod, comprising:
Step 1, the first end of USB TYPE-C wire rod 40 and 32 grafting of the first USB TYPE-C socket end, USB TYPE-C
The second end of wire rod 40 and 33 grafting of the 2nd USB TYPE-C socket end.
Step 2, DisplayPort signal input part 31 receive DisplayPort and test signal.
Step 3, DisplayPort signal output end receive DisplayPort and test signal.
Step 4 judges whether display 36 is shown with default resolution ratio, if it is not, several two-way switching switches of user's triggering
34 switch connection between several preset pins of the 2nd USB TYPE-C socket end 33.
Above-mentioned intelligence test circuit and its test method for USB TYPE-C wire rod, the first end of TYPE-C wire rod 40
It is plugged on the first USB TYPE-C socket end 32 and the 2nd USB TYPE-C socket end 33 respectively with second end, passes through judgement
Whether the received DisplayPort of DisplayPort signal input part 31 tests signal aobvious with default resolution ratio in display 36
Show, if it is not, user triggers several two-way switching switches 34 in several preset pins of the 2nd USB TYPE-C socket end 33
Between switch connection, to realize that electrical connection when simple operations can be completed to USB Type-C 40 positive anti-plug of wire rod carries out
Test.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (1)
1. the test method of the intelligence test circuit for USB TYPE-C wire rod characterized by comprising
Wherein, the intelligence test circuit includes: DisplayPort signal input part, for receiving DisplayPort test letter
Number；
It is electrically connected the first USB TYPE-C socket end of the DisplayPort signal input part, is used for grafting USB TYPE-C
The first end of wire rod；
2nd USB TYPE-C socket end, the second end for grafting USB TYPE-C wire rod；
Several two-way switching switches of the 2nd USB TYPE-C socket end are electrically connected, for responding the triggering of user, in institute
It states and switches connection between several preset pins of the 2nd USB TYPE-C socket end；
It is electrically connected the DisplayPort signal output end of the two-way switching switch, for receiving the DisplayPort test
Signal；
It is electrically connected the display of the DisplayPort signal output end, for receiving the DisplayPort test signal,
And signal is tested according to the DisplayPort and is shown；
Wherein, the DisplayPort signal output end has following pin: pin 1 is ML_Lane0 (p) pin, and pin 2 is
GND pin, pin 3 are ML_Lane0 (n) pin, and pin 4 is ML_Lane1 (p) pin, and pin 5 is GND pin, and pin 6 is
ML_Lane1 (n) pin, pin 7 are ML_Lane2 (p) pin, and pin 8 is GND pin, and pin 9 is ML_Lane2 (n) pin,
Pin 10 is ML_Lane3 (p) pin, and pin 11 is GND pin, and pin 12 is ML_Lane3 (n) pin, and pin 13 is
CONFIG1 pin, pin 14 are CONFIG2 pin, and pin 15 is AUX CH (p) pin, and pin 16 is GND pin, pin 17
For AUX CH (n) pin, pin 18 is Hot Plug Detect pin, and pin 19 is Return pin, and pin 20 is DP_PWR
Pin；The number of the two-way switching switch is eight, each two-way switching switch include: fixing end, the first switch terminal and
Second switch terminal；
ML_Lane0 (p) the pin electricity of the fixing end of first two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A2 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B2 pin electrical connection at seat end；
ML_Lane0 (n) the pin electricity of the fixing end of second two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A3 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B3 pin electrical connection at seat end；
The fixing end of the two-way switching switch of third and ML_Lane1 (p) the pin electricity of the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B10 pin electrical connection at seat end；
ML_Lane1 (n) the pin electricity of the fixing end of 4th two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A11 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B11 pin electrical connection at seat end；
ML_Lane2 (p) the pin electricity of the fixing end of 5th two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the B2 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The A2 pin electrical connection at seat end；
ML_Lane2 (n) the pin electricity of the fixing end of 6th two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the A10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The A3 pin electrical connection at seat end；
ML_Lane3 (p) the pin electricity of the fixing end of 7th two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the B10 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The B10 pin electrical connection at seat end；
ML_Lane3 (n) the pin electricity of the fixing end of 8th two-way switching switch and the DisplayPort signal output end
Connection, the first switch terminal are electrically connected with the B11 pin of USB Type-C socket end, and the second switch terminal and USB Type-C are inserted
The A11 pin electrical connection at seat end；
Step 1, the first end of USB TYPE-C wire rod and the first USB TYPE-C socket end grafting, the of USB TYPE-C wire rod
Two ends and the 2nd USB TYPE-C socket end grafting；
Step 2, DisplayPort signal input part receive DisplayPort and test signal；
Step 3, DisplayPort signal output end receive the DisplayPort and test signal；
Step 4 judges whether display is shown with default resolution ratio, if it is not, several two-way switching switches of user's triggering are second
Switch connection between several preset pins of USB TYPE-C socket end.
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| CN201610013460.7A CN105510762B (en) | 2016-01-05 | 2016-01-05 | The test method of intelligence test circuit for USB TYPE-C wire rod |
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| CN201610013460.7A CN105510762B (en) | 2016-01-05 | 2016-01-05 | The test method of intelligence test circuit for USB TYPE-C wire rod |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954644B (en) * | 2016-06-30 | 2020-02-07 | 成绎半导体技术（上海）有限公司 | Public first intellectual detection system of USBType-C interface and protection circuit |
| TW201814544A (en) * | 2016-10-13 | 2018-04-16 | 智微科技股份有限公司 | Test fixture and test system applicable to electronic device having Universal Serial Bus Type-C receptacle, and method for performing testing on electronic device with aid of test fixture |
| CN107543994A (en) * | 2017-08-31 | 2018-01-05 | 华勤通讯技术有限公司 | The test system of Type C interface |
| CN108469583B (en) * | 2018-05-28 | 2024-03-22 | 格力电器（郑州）有限公司 | ICT tester |
| CN113820628A (en) * | 2020-06-19 | 2021-12-21 | 神讯电脑(昆山)有限公司 | type-C interface detection device that opens circuit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247297Y (en) * | 2008-05-28 | 2009-05-27 | 株洲南车时代电气股份有限公司 | Test device for multi-core cable connecting line |
| CN202372603U (en) * | 2011-12-19 | 2012-08-08 | 山东理工大学 | Universal serial bus (USB) connecting wire detection device |
| CN203786242U (en) * | 2014-04-15 | 2014-08-20 | 桂林电子科技大学 | Portable multifunctional interface cable test device |
| CN104090198A (en) * | 2014-07-02 | 2014-10-08 | 长芯盛（武汉）科技有限公司 | USB 3.0 cable testing method and device |
| CN105093027A (en) * | 2015-08-20 | 2015-11-25 | 小米科技有限责任公司 | Multifunctional test instrument and multifunctional test test method |
| CN205484625U (en) * | 2016-01-05 | 2016-08-17 | 东莞铭基电子科技集团有限公司 | A intelligent test circuit for USB TYPE -C wire rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007353B (en) * | 2013-02-26 | 2016-12-28 | 国网山东省电力公司菏泽供电公司 | Interface testing circuit |
-
2016
- 2016-01-05 CN CN201610013460.7A patent/CN105510762B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247297Y (en) * | 2008-05-28 | 2009-05-27 | 株洲南车时代电气股份有限公司 | Test device for multi-core cable connecting line |
| CN202372603U (en) * | 2011-12-19 | 2012-08-08 | 山东理工大学 | Universal serial bus (USB) connecting wire detection device |
| CN203786242U (en) * | 2014-04-15 | 2014-08-20 | 桂林电子科技大学 | Portable multifunctional interface cable test device |
| CN104090198A (en) * | 2014-07-02 | 2014-10-08 | 长芯盛（武汉）科技有限公司 | USB 3.0 cable testing method and device |
| CN105093027A (en) * | 2015-08-20 | 2015-11-25 | 小米科技有限责任公司 | Multifunctional test instrument and multifunctional test test method |
| CN205484625U (en) * | 2016-01-05 | 2016-08-17 | 东莞铭基电子科技集团有限公司 | A intelligent test circuit for USB TYPE -C wire rod |
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Address after: 523000 Room 101, No.88, Pingshan Industrial Road, Tangxia Town, Dongguan City, Guangdong Province Patentee after: Guangdong Mingji High Tech Electronics Co., Ltd Address before: 523728, No. 188 Industrial Road, Pingshan Industrial Zone, Tangxia Town, Dongguan, Guangdong, 93 Patentee before: Dongguan Ming Ji electronics technology Group Co., Ltd |
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