CN102830468B - Welding-free optical fiber adapter - Google Patents
Welding-free optical fiber adapter Download PDFInfo
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- CN102830468B CN102830468B CN201210350612.4A CN201210350612A CN102830468B CN 102830468 B CN102830468 B CN 102830468B CN 201210350612 A CN201210350612 A CN 201210350612A CN 102830468 B CN102830468 B CN 102830468B
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- plug
- optical fiber
- welding
- fiber adapter
- base portion
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Abstract
The invention discloses a welding-free optical fiber adapter, comprising a plug-in piece, a sleeve, a sleeve fixing element for containing the sleeve, and a housing for containing the sleeve fixing element, wherein the housing has an integrated structure; the housing has a plug-in chamber penetrating back and forth; the sleeve fixing element containing the sleeve is inserted into the plug-in chamber from the rear end of the housing; a slot communicated with the plug-in chamber is formed on the sidewall of the housing; and the plug-in piece is inserted into the slot so as to fix the sleeve fixing element in the housing. The welding-free optical fiber adapter provided by the invention is free of an ultrasonic welding process so that the shortcomings of high reject ratio, unreliable connection and complex manufacture of the conventional optical fiber adapter due to the utilization of ultrasonic welding are overcome; and therefore the welding-free optical fiber adapter provided by the invention is simple to manufacture, low in cost and reliable in connection.
Description
Technical field
The present invention relates to a kind of fiber adapter, particularly relate to a kind of Welding-free optical fiber adapter.
Background technology
Fiber adapter, has another name called ring flange, and it cooperatively interacts with corresponding fibre-optical splice and connects, thus realizes the docking transmission between optical fiber, and therefore, fiber adapter is widely used in the docking transmission occasion between optical fiber.
Wherein, for SC fiber adapter, because SC fiber adapter and extraneous fibre-optical splice adopt the connected mode plugged, therefore do not need between SC fiber adapter and fibre-optical splice to rotate, thus make SC fiber adapter and fibre-optical splice coordinate have plug easy to operate, Insertion loss fluctuation is little, compressive strength is higher and packing density advantages of higher; Again because the docking structure of SC fiber adapter adopts pottery or copper sleeve, therefore make SC fiber adapter have mechanical property steady in a long-term and optical property, therefore, SC fiber adapter is widely used in fibre distribution frame (ODF), optical fiber communication equipment and fiber instrument.
At present, existing SC fiber adapter comprises the first shell, second housing, sleeve, the first sleeved mount and the second sleeved mount, in the first sleeved mount that sleeve is contained in mutually docking and the second sleeved mount.Wherein, the manufacture process of existing SC fiber adapter is: first, and make the first sleeved mount be placed in the first shell, the second sleeved mount is placed in second housing; Then, one end of sleeve is made to be loaded on the first sleeved mount or the second sleeved mount; Then, the first shell being built-in with the first sleeved mount and the mutual corresponding matching of second housing being built-in with the second sleeved mount, and the first sleeved mount and the second sleeved mount are cooperatively interacted, thus sleeve is made to be contained in the first sleeved mount and the second sleeved mount; Finally, by ultrasonic welding process, the place of being connected to the first shell and second housing carries out welding processing, the place of being connected of the first shell and second housing is fixed together, achieves the processing and manufacturing of SC fiber adapter.
But, first shell of existing SC fiber adapter and second housing carry out welding processing because adopting the place of being connected of ultrasonic soldering operation to the first shell and second housing, first shell and second housing are fixed together, this not only makes the yield rate of existing SC fiber adapter not high, correspondingly increases the manufacturing cost of existing SC fiber adapter; But also make the manufacture of existing SC fiber adapter extremely complicated; Meanwhile, the defect that the place of being connected also making existing SC fiber adapter there is the first shell and second housing when being connected with fibre-optical splice is opened, thus make the connection of existing SC fiber adapter unreliable.
Therefore, be badly in need of wanting a kind of Welding-free optical fiber adapter to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of Welding-free optical fiber adapter, remove ultrasonic welding process from, Welding-free optical fiber adapter of the present invention is had, and manufacture is simple, cost is low and connect reliable advantage.
For achieving the above object, Welding-free optical fiber adapter of the present invention comprises sleeve, the sleeved mount of containing sleeve and the shell of containing sleeve fixture, and wherein, Welding-free optical fiber adapter of the present invention also comprises plug-in card part.Shell is integral type structure, grafting chamber through before and after shell has, accommodate sleeved sleeved mount and insert grafting chamber from the rear end of shell, the sidewall of shell offers the slot being communicated with grafting chamber, and plug-in card part inserts slot and fixed in the enclosure by sleeved mount; Wherein, described slot runs through the two lateral walls of described shell, one end of described plug-in card part is first successively by slot, described sleeved mount and slot described in another described in one, and the two ends of described plug-in card part are laid respectively in described slot, and the middle part of described plug-in card part props up described sleeved mount; The sidewall of described shell also extends outward installation coordinating block in the position of described slot, and described installation coordinating block offers mounting hole, described installation coordinating block also offers the guide channel being communicated with described slot.
Preferably, plug-in card part is U-shaped structure.
Preferably, the inwall in grafting chamber has contact part, location, and contact part, location is kept out sleeved mount and moved on, and plug-in card part is kept out sleeved mount and retreated.
Preferably, locating contact part is the boss extended to grafting chamber from grafting cavity wall.
Preferably, sleeved mount comprises the first butt junction and the second butt junction, has first passage in the first butt junction, has second channel in the second butt junction, first butt junction and the second butt junction docking and first passage are communicated with second channel, and sleeve is built in first passage and second channel.
Preferably, the first butt junction has the first cooperation base portion, and the second butt junction has the second cooperation base portion, first coordinates base portion to coordinate base portion to fit with second, contact part, location coordinates the inconsistent location of base portion with first, and slot is positioned at the rear of contact part, location, and plug-in card part keeps out the second cooperation base portion.
Preferably, the first butt junction also has by the first the first buckling parts coordinating base portion to extend and the first Plug Division, and first passage runs through the first Plug Division and first and coordinates base portion, and the first buckling parts is positioned at the outside of the first Plug Division; Second butt junction also has by the second the second buckling parts coordinating base portion to extend and the second Plug Division, and second channel runs through the second Plug Division and second and coordinates base portion, and the second buckling parts is positioned at the outside of the second Plug Division.
Preferably, first coordinates base portion to be provided with the first locating piece, and what the second cooperation base portion was corresponding is provided with the second locating piece coordinating with the first locating piece and locate.
Compared with prior art, because shell of the present invention is integral type structure, the sidewall of shell offers the slot being communicated with grafting chamber, therefore just sleeved mount is fixed in the enclosure at plug-in card part insertion slot, thus realize the assembling process of Welding-free optical fiber adapter of the present invention, make Welding-free optical fiber adapter of the present invention eliminate ultrasonic welding process, reduce the manufacturing cost of Welding-free optical fiber adapter of the present invention and simplify its manufacture process on the one hand; Improve the reliability that Welding-free optical fiber adapter of the present invention connects on the other hand.
Accompanying drawing explanation
Fig. 1 is the three-dimensional combination figure of Welding-free optical fiber adapter of the present invention.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is a cut-open view of the Welding-free optical fiber adapter shown in Fig. 1.
Fig. 4 is the assembling flow path figure of Welding-free optical fiber adapter shown in Fig. 3.
Fig. 5 is another cut-open view of the Welding-free optical fiber adapter shown in Fig. 1.
Fig. 6 is the three-dimensional combination figure of the sleeved sleeved mount of collecting of Welding-free optical fiber adapter of the present invention.
Fig. 7 is the three-dimensional exploded view of Fig. 6.
Fig. 8 is the stereographic map of the shell of Welding-free optical fiber adapter of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described, but embodiments of the present invention are not limited thereto.
Refer to Fig. 1 and Fig. 2, Welding-free optical fiber adapter 100 of the present invention is more excellent is SC type fiber adapter, this Welding-free optical fiber adapter 100 is in mating connection with fibre-optical splice (not shown) and realize docking between optical fiber and transmit, wherein, Welding-free optical fiber adapter 100 of the present invention comprises plug-in card part 20, sleeve 50, the sleeved mount 30 of containing sleeve 50 and the shell 10 of containing sleeve fixture 30.Shell 10 is integral type structure, more excellent is the square structure of integral type, and the grafting chamber 11 that shell 10 is through before and after having, the sleeved mount 30 containing sleeve 50 inserts grafting chamber 11 from the rear end of shell 10, the sidewall of shell 10 offers the slot 16 being communicated with grafting chamber 11, plug-in card part 20 is more excellent is U-shaped structure so that fixing to sleeved mount 30, and plug-in card part 20 inserts slot 16 is fixed in shell 10 by sleeved mount 30.Particularly, in the present embodiment, sleeve 50 is more excellent is the sleeve that pottery or copper material manufacture, to make the optical fiber of docking more reliable in the transmission at Welding-free optical fiber adapter 100 place of the present invention, simultaneously, slot 16 runs through the left and right sides wall of shell 10, it (is namely that one end of plug-in card part 20 is arranged in a slot 16 that the two ends of plug-in card part 20 now lay respectively in slot 16, the other end of plug-in card part 20 is arranged in another slot 16), and the middle part of plug-in card part 20 props up sleeved mount 30, make on the one hand sleeved mount 30 by coordinating and make sleeved mount 30 reliably can be fixed in the grafting chamber 11 of shell 10 by plug-in card part 20 between plug-in card part 20 and the left and right sides wall of shell 10, plug-in card part 20 of being more convenient on the other hand inserts in the slot 16 of shell 10.
Wherein, for the ease of the connection of Welding-free optical fiber adapter 100 of the present invention with fibre-optical splice, therefore shell 10 fibre-optical splice had for docking provides the guide part 13 of guiding, this guide part 13 is more excellent is a guide groove be connected with grafting chamber 11, so that the manufacture of guide part 13, the middle position of more excellent to be guide groove along the direction that sleeved mount 30 inserts grafting chamber 11 be positioned at shell 10, certainly, is set to a guide rail according to actual needs and by guide part 13, for the ease of Welding-free optical fiber adapter 100 of the present invention is connected in extraneous object rapidly, therefore the elastic card component 14 shell 10 is also provided with for being connected with extraneous object, this elastic card component 14 extends outward a unsettled elasticity holding section 141, particularly, elasticity holding section 141 lays respectively at outside the left and right sides wall of shell 10, for the ease of Welding-free optical fiber adapter 100 of the present invention is fixed on extraneous object more reliably, therefore the sidewall of shell 10 also extends outward installation coordinating block 15 in the position of slot 16, more excellently be, installing coordinating block 15 is two, to make each, the corresponding slot 16 of coordinating block 15 is installed, and make the layout of shell 10 more reasonable, and installation coordinating block 15 offers mounting hole 151, the installation coordinating block 15 offering mounting hole 151 also offers the guide channel 152 being communicated with slot 16, this guide channel 152 can provide reliable guiding for plug-in card part 20, thus plug-in card part 20 of being more convenient for is inserted in slot 16, in order to prevent the sleeve 50 of Welding-free optical fiber adapter 100 of the present invention when not being connected with fibre-optical splice pollute by outside contamination part, therefore Welding-free optical fiber adapter 100 of the present invention is also provided with gland bonnet 40, sealing lid 40 has a grafting auxiliary section 41, grafting auxiliary section 41 offers a host cavity 411, when grafting auxiliary section 41 inserts in grafting chamber 11, opening and the guide part 13 in grafting chamber 11 are closed in grafting auxiliary section 41 now, and host cavity 11 cooperation corresponding with sleeved mount 30.More specifically, as follows:
Refer to Fig. 1 to Fig. 7, in the present embodiment, realize plug-in card part 20 insert slot 16 and by the mode that sleeved mount 30 is fixed in shell 10 be: the inwall in grafting chamber 11 has contact part 12, location, contact part 12, location is kept out sleeved mount 30 and is moved on, plug-in card part 20 is kept out sleeved mount 30 and is retreated, thus makes sleeved mount 30 be fixed in grafting chamber 11 more reliably; Certainly, in other embodiments, select the plug-in card part 20 of relative populations according to actual needs flexibly, sleeved mount 30 also can be fixed in grafting chamber 11 by the plug-in card part 20 by relative populations; More excellent, contact part 12, location is the boss extended to grafting chamber 11 from grafting chamber 11 inwall, to simplify the structure of contact part 12, location.
Simultaneously, sleeved mount 30 comprises the first butt junction 32 and the second butt junction 33, in first butt junction 32, there is first passage 324, in second butt junction 33, there is second channel 334, first butt junction 32 is docked with the second butt junction 33 and first passage 324 is communicated with second channel 334, sleeve 50 is built in first passage 324 with second channel 334, achieves a butt joint the docking transmission reliability guaranteed between optical fiber, and simplify the structure of sleeved mount 30 to make the optical fiber of docking at sleeve 50 place.Particularly, first butt junction 32 has the first cooperation base portion 321, second butt junction 33 has the second cooperation base portion 331, first coordinates base portion 321 to coordinate base portion 331 to fit with second, contact part, location 12 now coordinates the inconsistent location of base portion 321 with first, slot 16 is positioned at the rear of contact part 12, location, plug-in card part 20 keeps out the second cooperation base portion 331, thus make the first butt junction 32 of formation sleeved mount 30 and the second butt junction 30 are reliably fixedly clamped in the grafting chamber 11 of shell 10, effectively prevent from forming the first butt junction 32 of sleeved mount 30 and the second butt junction 33 and skid off grafting chamber 11 by the front end in grafting chamber 11 or rear end, thus sleeved mount 30 is made to be fixed in more reliably in grafting chamber 11.More specifically, as follows:
Comparatively the superior, first butt junction 32 also has the first buckling parts 322 and the first Plug Division 323 coordinating base portion 321 to extend by first, first passage 324 is more excellent is that cylindrical hole is so that the processing of first passage 324, and first passage 324 runs through the first Plug Division 323 and the first cooperation base portion 321, first buckling parts 322 is positioned at the outside of the first Plug Division 323, to simplify the structure of the first butt junction 32, and be convenient to being connected of the first butt junction 32 and fibre-optical splice; Specifically, the setting symmetrically centered by the first Plug Division 323 of first buckling parts 322, to enter the connection reliability that a ground increases the first butt junction 32 and fibre-optical splice, more excellently be, first buckling parts 322 extends the first barb 322a towards near the first Plug Division 323 place, first barb 322a is more excellent be positioned at the first buckling parts 322 end to make the topology layout of the first buckling parts 322 more reasonable, and first coordinates base portion 321 to be provided with the first locating piece 321a.
And the second butt junction 33 also has the second buckling parts 332 and the second Plug Division 333 coordinating base portion 331 to extend by second, second channel 334 is also more excellent is that cylindrical hole is so that the processing of second channel 334, and second channel 334 runs through the second Plug Division 333 and the second cooperation base portion 331, second buckling parts 332 is positioned at the outside of the second Plug Division 333, to simplify the structure of the second butt junction 33, and be convenient to being connected of the second butt junction 33 and fibre-optical splice; Specifically, the setting symmetrically centered by the second Plug Division 333 of second buckling parts 332, to enter the connection reliability that a ground increases the second butt junction 33 and fibre-optical splice, more excellently be, second buckling parts 332 extends the second barb 332a towards near the second Plug Division 333 place, second barb 332a is more excellent be positioned at the second buckling parts 332 end to make the topology layout of the second buckling parts 332 more reasonable, and second coordinates base portion 331 correspondence is provided with the second locating piece 331a coordinating with the first locating piece 321a and locate.
Finally, the mode that sleeve 50 is reliably built in first passage 324 and second channel 334 is: the first conflict bulge loop 323a is extended in the first Plug Division 323 in first passage 324, the second conflict bulge loop 333a is extended in second Plug Division 333 in second channel 334, conflict respectively and be positioned between the first conflict bulge loop 323a and the second conflict bulge loop 333a in the two ends being built in the sleeve 50 of first passage 324 and second channel 334, and the host cavity 411 of the above-mentioned grafting auxiliary section 41 mentioned is for accommodating the end of the first Plug Division 323 and the second Plug Division 333.
By reference to the accompanying drawings, the building block principle of Welding-free optical fiber adapter of the present invention is described in detail: first, operating personnel first make the first butt junction 32, sleeve 50 and the second butt junction 33 mutually be assembled together, and are in the sleeved mount 30 containing sleeve 50 shown in Fig. 6, then, the sleeved mount 30 containing sleeve 50 makes the first butt junction 32 first insert in grafting chamber 11 than the second butt junction 33 along the rear end in grafting chamber 11 to front extreme direction by operating personnel, and coordinate the cooperation of base portion 321 by the contact part, location 12 in grafting chamber 11 with first of the first butt junction 32 and keep out moving on of the first butt junction 32, thus realize the quick position of sleeved mount 30 in grafting chamber 11, then, plug-in card part 20 inserts in the slot 16 of shell 10 along the arrow direction on plug-in card part 20 side in Fig. 4 by operating personnel, one end of plug-in card part 20 now is first successively by a slot 16, second butt junction 33 of sleeved mount 30 and another slot 16, and make the two ends of plug-in card part 20 lay respectively in slot 16, and the second cooperation base portion 331 of the second butt junction 33 is kept out in the middle part of plug-in card part 20, thus realize the sleeved mount 30 containing sleeve 50 to be fixed in the grafting chamber 11 of shell 10, state as shown in Figure 3, thus the assembling process that the present invention exempts to connect formula fiber adapter 100 is completed.
Compared with prior art, because shell 10 of the present invention is integral type structure, the sidewall of shell 10 offers the slot 16 being communicated with grafting chamber 11, therefore insert slot 16 at plug-in card part 20 and just sleeved mount 30 is fixed in shell 10, thus realize the assembling process of Welding-free optical fiber adapter 100 of the present invention, make Welding-free optical fiber adapter 1000 of the present invention eliminate ultrasonic welding process, reduce the manufacturing cost of Welding-free optical fiber adapter 100 of the present invention and simplify its manufacture process on the one hand; Improve the reliability that Welding-free optical fiber adapter 100 of the present invention connects on the other hand.
Certainly just the preferred embodiments of the present invention described above; certainly the interest field of the present invention can not be limited with this; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these still belong to the scope that the present invention is contained.
Claims (8)
1. a Welding-free optical fiber adapter, comprise sleeve, the sleeved mount of containing sleeve and the shell of containing sleeve fixture, it is characterized in that, described Welding-free optical fiber adapter also comprises plug-in card part, described shell is integral type structure, grafting chamber through before and after described shell has, the sleeved mount containing described sleeve inserts described grafting chamber from the rear end of described shell, the sidewall of described shell offers the slot being communicated with described grafting chamber, and described plug-in card part inserts described slot and is fixed in described shell by described sleeved mount; Wherein, described slot runs through the two lateral walls of described shell, one end of described plug-in card part is first successively by slot, described sleeved mount and slot described in another described in one, and the two ends of described plug-in card part are laid respectively in described slot, and the middle part of described plug-in card part props up described sleeved mount; The sidewall of described shell also extends outward installation coordinating block in the position of described slot, and described installation coordinating block offers mounting hole, described installation coordinating block also offers the guide channel being communicated with described slot.
2. Welding-free optical fiber adapter according to claim 1, is characterized in that, described plug-in card part is U-shaped structure.
3. Welding-free optical fiber adapter according to claim 1, is characterized in that, the inwall in described grafting chamber has contact part, location, and contact part, described location is kept out described sleeved mount and moved on, and described plug-in card part is kept out described sleeved mount and retreated.
4. Welding-free optical fiber adapter according to claim 3, is characterized in that, contact part, described location is the boss extended to described grafting chamber from described grafting cavity wall.
5. Welding-free optical fiber adapter according to claim 3, it is characterized in that, described sleeved mount comprises the first butt junction and the second butt junction, in described first butt junction, there is first passage, in described second butt junction, there is second channel, described first butt junction and the second butt junction are docked and described first passage is communicated with second channel, and described sleeve is built in described first passage and described second channel.
6. Welding-free optical fiber adapter according to claim 5, it is characterized in that, described first butt junction has the first cooperation base portion, described second butt junction has the second cooperation base portion, described first coordinates base portion to coordinate base portion to fit with described second, contact part, described location coordinates the inconsistent location of base portion with described first, and described slot is positioned at the rear of contact part, described location, and described plug-in card part is kept out described second and coordinated base portion.
7. Welding-free optical fiber adapter according to claim 6, it is characterized in that, described first butt junction also has by the described first the first buckling parts coordinating base portion to extend and the first Plug Division, described first passage runs through described first Plug Division and first and coordinates base portion, and described first buckling parts is positioned at the outside of described first Plug Division; Described second butt junction also has by the described second the second buckling parts coordinating base portion to extend and the second Plug Division, and described second channel runs through described second Plug Division and second and coordinates base portion, and described second buckling parts is positioned at the outside of described second Plug Division.
8. Welding-free optical fiber adapter according to claim 6, is characterized in that, described first coordinates base portion to be provided with the first locating piece, and described second coordinates corresponding being provided with of base portion to coordinate second locating piece of locating with described first locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350612.4A CN102830468B (en) | 2012-09-19 | 2012-09-19 | Welding-free optical fiber adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350612.4A CN102830468B (en) | 2012-09-19 | 2012-09-19 | Welding-free optical fiber adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102830468A CN102830468A (en) | 2012-12-19 |
| CN102830468B true CN102830468B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210350612.4A Expired - Fee Related CN102830468B (en) | 2012-09-19 | 2012-09-19 | Welding-free optical fiber adapter |
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| CN (1) | CN102830468B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635305A (en) * | 2015-03-02 | 2015-05-20 | 乐清申华通讯电子有限公司 | SC (standard connector) optical fiber connection adapter |
| CN109633834A (en) * | 2019-01-12 | 2019-04-16 | 邱达飞 | A kind of fibre-optical splice |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6367984B1 (en) * | 1999-11-10 | 2002-04-09 | Lucent Technologies, Inc. | Optical fiber adapter |
| CN201622370U (en) * | 2010-03-19 | 2010-11-03 | 林荣钱 | Inclined door dust-proof adapter |
| CN201698050U (en) * | 2010-06-23 | 2011-01-05 | 蔡丽玫 | SC optical fiber adapter with shutter protective cover |
| CN201984181U (en) * | 2009-06-25 | 2011-09-21 | 连展科技(天津)有限公司 | Optical fiber adapter |
| CN202854370U (en) * | 2012-09-19 | 2013-04-03 | 张钻兴 | Welding-free type fiber adapter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10219935A1 (en) * | 2002-05-03 | 2003-11-27 | Krone Gmbh | Device for an optical fiber connection |
-
2012
- 2012-09-19 CN CN201210350612.4A patent/CN102830468B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6367984B1 (en) * | 1999-11-10 | 2002-04-09 | Lucent Technologies, Inc. | Optical fiber adapter |
| CN201984181U (en) * | 2009-06-25 | 2011-09-21 | 连展科技(天津)有限公司 | Optical fiber adapter |
| CN201622370U (en) * | 2010-03-19 | 2010-11-03 | 林荣钱 | Inclined door dust-proof adapter |
| CN201698050U (en) * | 2010-06-23 | 2011-01-05 | 蔡丽玫 | SC optical fiber adapter with shutter protective cover |
| CN202854370U (en) * | 2012-09-19 | 2013-04-03 | 张钻兴 | Welding-free type fiber adapter |
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| CN102830468A (en) | 2012-12-19 |
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Effective date of registration: 20170517 Address after: Dongcheng District graben mountain city of Dongguan province Guangdong 523000 cattle outside the Industrial Zone No. 2 Jing Yi Road Building Patentee after: Guangdong East Technology Co., Ltd. Address before: 523000, Guangming Street, Shilong Town, Guangdong, Dongguan, 24 Patentee before: Zhang Zuanxing |
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