CN109297836B - Material torsion experiment machine - Google Patents
Material torsion experiment machine Download PDFInfo
- Publication number
- CN109297836B CN109297836B CN201811503549.7A CN201811503549A CN109297836B CN 109297836 B CN109297836 B CN 109297836B CN 201811503549 A CN201811503549 A CN 201811503549A CN 109297836 B CN109297836 B CN 109297836B
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- fixed clamping
- driving mechanism
- fixing
- sliding seat
- 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.)
- Active
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 230000006872 improvement Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a material torsion experiment machine which comprises a frame, wherein a first driving mechanism, a first fixed clamping piece, a second driving mechanism and a sliding rail are arranged on the frame, the first driving mechanism is connected with the first fixed clamping piece, the first driving mechanism is used for driving the first fixed clamping piece to rotate, a sliding seat is arranged on the sliding rail, the sliding seat is connected with the second driving mechanism, a second fixed clamping piece is arranged on the sliding seat, a tension sensor is arranged on the sliding seat, the tension sensor is connected with the second fixed clamping piece, a revolution sensor is further arranged on the frame and is used for measuring the revolution of the first fixed clamping piece, the first fixed clamping piece and the second fixed clamping piece are matched to fix a material to be tested, and the second driving mechanism is used for driving the sliding seat to keep the tension value on the tension sensor constant during testing. The accuracy of the test can be ensured.
Description
Technical Field
The invention relates to the technical field of torsion testing, in particular to a material torsion testing machine.
Background
The number of twist-off turns of a wire is one of the important indicators for considering the performance of the wire, and therefore, when the wire leaves the factory, it is often necessary to test the number of twist-off turns thereof. In the existing test methods: the test counter weight adopts and fixes with wire rope at the material tail end, through weight adjustment, the length can tensile the length in the rotatory test process of material, and wire rope of fixed weight can move backward, can make the counter weight that originally sets up change through lever principle, influences test data's accuracy.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a material torsion experiment machine which can ensure constant tension in test and has high test precision, and adopts the following technical scheme:
the utility model provides a material torsion experiment machine, its includes the frame, be equipped with first actuating mechanism, first fixed holder, second actuating mechanism, slide rail in the frame, first actuating mechanism is connected with first fixed holder, first actuating mechanism is used for driving first fixed holder is rotatory, be equipped with the sliding seat on the slide rail, the sliding seat is connected with second actuating mechanism, be equipped with second fixed holder on the sliding seat, be equipped with tension sensor on the sliding seat, tension sensor is connected with second fixed holder, still be equipped with revolution sensor in the frame, revolution sensor is used for measuring the revolution of first fixed holder, first fixed holder and the cooperation of second fixed holder are fixed the material that awaits measuring, second actuating mechanism is used for the drive during the test the sliding seat makes tension value on the tension sensor keeps invariable.
As a further improvement of the invention, the revolution sensor, the material to be measured, the first fixed clamping piece and the second fixed clamping piece form a current loop, and after the material to be measured breaks, the revolution sensor stops working, so that the revolution value of the material to be measured is obtained.
As a further improvement of the invention, the frame is also provided with a rotating seat, the rotating seat is connected with a first driving mechanism, the first fixed clamping piece is arranged on the rotating seat, and the rotating seat is also provided with a first elastic clamping piece.
As a further improvement of the invention, the sliding seat is provided with a fixing piece, the fixing piece is connected with the tension sensor, the second fixing clamping piece is arranged on the fixing piece, and the fixing piece is also provided with a second elastic clamping piece.
As a further improvement of the invention, the first elastic clamping piece and the second elastic clamping piece have the same structure, the second elastic clamping piece comprises a fixing bolt, a ball plunger and an abutting plate, the fixing bolt penetrates through the abutting plate to be connected with the fixing piece, the ball plunger is arranged on the fixing piece, the front end of the ball plunger abuts against the abutting plate, and the abutting plate is used for being matched with the fixing bolt to clamp a material to be tested.
As a further improvement of the invention, the first fixed clamping piece and the second fixed clamping piece have the same structure, and the first fixed clamping piece and the second fixed clamping piece are both fixed bolts.
As a further improvement of the present invention, the second driving mechanism includes a second rotating motor and a screw, the second rotating motor is connected with the screw, the screw is connected with the sliding seat, and the second rotating motor drives the sliding seat to move through the screw.
As a further improvement of the present invention, the first driving mechanism includes a first rotary electric machine.
The invention has the beneficial effects that:
according to the material torsion experiment machine, the first driving mechanism and the tension sensor are arranged, so that the tension can be adjusted in real time, the tension is ensured to be constant during testing, and the testing precision can be improved.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments and the following detailed description of the invention, together with the accompanying drawings, in order to make the above and other objects, features and advantages of the invention more readily apparent.
Drawings
FIG. 1 is a schematic view of a material torsion testing machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a material torsion testing machine according to an embodiment of the present invention;
FIG. 3 is a schematic view of a rotating seat according to an embodiment of the present invention;
FIG. 4 is a schematic view of a sliding seat according to an embodiment of the present invention;
FIG. 5 is a schematic view of a second elastic clamping member according to an embodiment of the present invention;
fig. 6 is an exploded view of a second elastic clamping member according to an embodiment of the present invention.
Marking: 100. a frame; 10. a first rotating electric machine; 20. a rotating seat; 21. a first fixed clamp; 30. a second rotating electric machine; 40. a slide rail; 50. a sliding seat; 60. a fixing member; 61. a second fixed clamp; 70. a second elastic clamping member; 71. a fixing bolt; 72. ball plunger; 73. an abutting plate; 74. a limit column; 75. a limiting hole; 80. a tension sensor; 90. a first elastic clamping member.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
As shown in fig. 1-6, in the material torsion testing machine in this embodiment, the material torsion testing machine is used for torsion testing of a wire, and the torsion testing machine includes a frame 100, a first driving mechanism, a first fixed clamping member 21, a second driving mechanism, and a sliding rail 40 are disposed on the frame 100, the first driving mechanism is connected with the first fixed clamping member 21, the first driving mechanism is used for driving the first fixed clamping member 21 to rotate, a sliding seat 50 is disposed on the sliding rail 40, the sliding seat 50 is connected with the second driving mechanism, a second fixed clamping member 61 is disposed on the sliding seat 50, a tension sensor 80 is disposed on the sliding seat 50, the tension sensor 80 is connected with the second fixed clamping member 61, a revolution sensor is further disposed on the frame 100, the revolution sensor is used for measuring the revolution of the first fixed clamping member 21, the first fixed clamping member 21 and the second fixed clamping member 61 cooperate to fix a material to be tested, and the second driving mechanism is used for driving the sliding seat 50 to keep a constant tension value on the tension sensor 80 during testing.
Preferably, the revolution sensor, the material to be measured, the first fixing clamp 21 and the second fixing clamp 61 form a current loop, and after the material to be measured breaks, the revolution sensor stops working, so as to obtain the revolution value of the material to be measured.
In this embodiment, the first driving mechanism is a first rotating motor 10, the second driving mechanism includes a second rotating motor 30 and a screw, the second rotating motor 30 is connected with the screw, the screw is connected with the sliding seat 50, and the second rotating motor 30 drives the sliding seat 50 to move through the screw.
Specifically, the frame 100 is further provided with a rotating seat 20, the rotating seat 20 is connected with the first driving mechanism, the first fixed clamping piece 21 is disposed on the rotating seat 20, and the rotating seat 20 is further provided with a first elastic clamping piece 90. The sliding seat 50 is provided with a fixing piece 60, the fixing piece 60 is connected with the tension sensor 80, the second fixing clamping piece 61 is arranged on the fixing piece 60, and the fixing piece 60 is also provided with a second elastic clamping piece 70.
As shown in fig. 5-6, the first elastic clamping member 90 and the second elastic clamping member 70 have the same structure, the second elastic clamping member 70 includes a fixing bolt 71, a ball plunger 72 and an abutting plate 73, the fixing bolt 71 passes through the abutting plate 73 to be in threaded connection with the fixing member 60, the ball plunger 72 is disposed on the fixing member 60, the front end of the ball plunger 72 abuts against the bottom of the abutting plate 73, and the abutting plate 73 is used for clamping the material to be tested in cooperation with the fixing bolt 71. Preferably, the fixing piece 60 is further provided with a limiting post 74, the abutting plate 73 is provided with a limiting hole 75 matched with the limiting post 74, and the limiting post 74 passes through the limiting hole 75 from bottom to top.
Preferably, the first and second fixing clips 21 and 61 are identical in structure and identical in structure to the fixing bolts 71.
In this embodiment, the first fixing clamp 21, the first elastic clamp 90, the second elastic clamp 70 and the second fixing clamp 61 are on the same straight line, the first elastic clamp 90 and the second elastic clamp 70 are arranged between the first fixing clamp 21 and the second fixing clamp 61, the first fixing clamp 21 and the second fixing clamp 61 are used for locking the material to be tested, the material to be tested is not loosened due to the influence of tension force during testing, and the first elastic clamp 90 and the second elastic clamp 70 are used for propping and fixing the wire to be tested, so that the two ends of the wire to be tested are prevented from being clamped and damaged, and the testing effect is prevented from being influenced.
During testing, one end of the wire to be tested is fixed on the first fixed clamping piece 21 for locking, the wire to be tested is tightly abutted and fixed through the first elastic clamping piece 90 and the second elastic clamping piece 70, and finally the other end of the wire to be tested is locked by the second fixed clamping piece 61, so that the first rotating motor 10 can be started for torsion testing. During testing, the second rotating motor 30 rotates to adjust the position of the sliding seat 50, so that the tension value on the tension sensor 80 is kept constant, and the testing precision is ensured.
According to the material torsion experiment machine, the first driving mechanism and the tension sensor are arranged, so that the tension can be adjusted in real time, the tension is ensured to be constant during testing, and the testing precision can be improved.
The above embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (4)
1. The utility model provides a material torsion experiment machine, includes frame, its characterized in that: the device comprises a rack, a first driving mechanism, a first fixed clamping piece, a second driving mechanism and a sliding rail, wherein the first driving mechanism is connected with the first fixed clamping piece, the first driving mechanism is used for driving the first fixed clamping piece to rotate, a sliding seat is arranged on the sliding rail and is connected with the second driving mechanism, the second fixed clamping piece is arranged on the sliding seat, a tension sensor is arranged on the sliding seat and is connected with the second fixed clamping piece, a revolution sensor is further arranged on the rack and is used for measuring the revolution of the first fixed clamping piece, the first fixed clamping piece and the second fixed clamping piece are matched to fix a material to be tested, and the second driving mechanism is used for driving the sliding seat to keep the tension value on the tension sensor constant during testing;
the revolution sensor, the material to be tested, the first fixed clamping piece and the second fixed clamping piece form a current loop, and after the material to be tested breaks, the revolution sensor stops working to obtain the revolution value of the material to be tested;
the machine frame is also provided with a rotating seat, the rotating seat is connected with a first driving mechanism, the first fixed clamping piece is arranged on the rotating seat, and the rotating seat is also provided with a first elastic clamping piece;
the sliding seat is provided with a fixing piece, the fixing piece is connected with the tension sensor, the second fixing clamping piece is arranged on the fixing piece, and the fixing piece is also provided with a second elastic clamping piece;
the first elastic clamping piece and the second elastic clamping piece are identical in structure, the second elastic clamping piece comprises a fixing bolt, a ball plunger and an abutting plate, the fixing bolt penetrates through the abutting plate to be connected with the fixing piece, the ball plunger is arranged on the fixing piece, the front end of the ball plunger is abutted to the abutting plate, and the abutting plate is used for being matched with the fixing bolt to clamp a material to be tested.
2. The material torsion testing machine of claim 1, wherein the first and second fixed clamps are identical in structure, and the first and second fixed clamps are both fixing bolts.
3. The material torsion testing machine according to claim 1, wherein the second driving mechanism includes a second rotating motor and a screw, the second rotating motor is connected with the screw, the screw is connected with the sliding seat, and the second rotating motor drives the sliding seat to move through the screw.
4. The material torsion testing machine of claim 1, wherein the first drive mechanism comprises a first rotary motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503549.7A CN109297836B (en) | 2018-12-10 | 2018-12-10 | Material torsion experiment machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503549.7A CN109297836B (en) | 2018-12-10 | 2018-12-10 | Material torsion experiment machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109297836A CN109297836A (en) | 2019-02-01 |
| CN109297836B true CN109297836B (en) | 2024-03-01 |
Family
ID=65141754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811503549.7A Active CN109297836B (en) | 2018-12-10 | 2018-12-10 | Material torsion experiment machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297836B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982706B (en) * | 2020-08-04 | 2023-10-17 | 湖南纳昇电子科技有限公司 | Modularized test host, application thereof and modularized test system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193573A (en) * | 1998-12-28 | 2000-07-14 | Shimadzu Corp | Torsion tester |
| US7458278B1 (en) * | 2007-10-07 | 2008-12-02 | Pneutech Manufacture Co., Ltd. | Torsion detecting mechanism for a pneumatic tool |
| CN201993286U (en) * | 2011-03-31 | 2011-09-28 | 东莞市恒宇仪器有限公司 | Zipper torsion testing machine |
| CN102650580A (en) * | 2011-02-28 | 2012-08-29 | 鸿富锦精密工业（深圳）有限公司 | Torque testing device |
| CN103674367A (en) * | 2013-12-23 | 2014-03-26 | 江苏希西维轴承有限公司 | Equipment for measuring torque of rod end knuckle bearing of bulb |
| CN103990616A (en) * | 2014-05-30 | 2014-08-20 | 苏州倍辰莱电子科技有限公司 | Fixture used for PCB air blowing |
| CN204924818U (en) * | 2015-07-23 | 2015-12-30 | 深圳三思纵横科技股份有限公司 | Metal wire draws composite testing machine of turning round |
| CN207336259U (en) * | 2017-08-18 | 2018-05-08 | 中机生产力促进中心 | A kind of spring steel wire torsional fatigue test device |
| CN209372604U (en) * | 2018-12-10 | 2019-09-10 | 素线新材料科技(淮安)有限公司 | A kind of material torsion tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI555979B (en) * | 2011-09-30 | 2016-11-01 | 國際計測器股份有限公司 | Torsion testing device |
-
2018
- 2018-12-10 CN CN201811503549.7A patent/CN109297836B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193573A (en) * | 1998-12-28 | 2000-07-14 | Shimadzu Corp | Torsion tester |
| US7458278B1 (en) * | 2007-10-07 | 2008-12-02 | Pneutech Manufacture Co., Ltd. | Torsion detecting mechanism for a pneumatic tool |
| CN102650580A (en) * | 2011-02-28 | 2012-08-29 | 鸿富锦精密工业（深圳）有限公司 | Torque testing device |
| CN201993286U (en) * | 2011-03-31 | 2011-09-28 | 东莞市恒宇仪器有限公司 | Zipper torsion testing machine |
| CN103674367A (en) * | 2013-12-23 | 2014-03-26 | 江苏希西维轴承有限公司 | Equipment for measuring torque of rod end knuckle bearing of bulb |
| CN103990616A (en) * | 2014-05-30 | 2014-08-20 | 苏州倍辰莱电子科技有限公司 | Fixture used for PCB air blowing |
| CN204924818U (en) * | 2015-07-23 | 2015-12-30 | 深圳三思纵横科技股份有限公司 | Metal wire draws composite testing machine of turning round |
| CN207336259U (en) * | 2017-08-18 | 2018-05-08 | 中机生产力促进中心 | A kind of spring steel wire torsional fatigue test device |
| CN209372604U (en) * | 2018-12-10 | 2019-09-10 | 素线新材料科技(淮安)有限公司 | A kind of material torsion tester |
Non-Patent Citations (3)
| Title |
|---|
| Eddy current sensing of torque in rotating shafts;Orestes J. Varonis et al;Sens Imaging;第14卷;第81-92页 * |
| 基于单片机的非接触式扭矩测试系统;黄德树 等;北京印刷学院学报;第22卷(第4期);第28-30页 * |
| 拉伸扭转试验机的技术升级;王翠娟;张亦良;;现代科学仪器(第05期);第22-24页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109297836A (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109297836B (en) | Material torsion experiment machine | |
| CN102751146A (en) | Debugging device of route and opening range size of circuit breaker | |
| CN103592191A (en) | Toy self-adaption steel wire flexural fatigue testing machine | |
| CN111289364B (en) | Tension test equipment and method for carrying out steel wire rope tension test by using same | |
| CN202547623U (en) | Detector for axial play of motor | |
| CN220625990U (en) | Nylon cable tie tensile strength detection device | |
| CN210051283U (en) | Online automatic blank concentricity detection device | |
| CN208653430U (en) | A kind of disc surfaces precision measure instrument | |
| CN209372604U (en) | A kind of material torsion tester | |
| CN218443617U (en) | Automobile door plate sealing surface measurement test detection machine | |
| CN111504772A (en) | Clamping and vertical centering device for tensile test sample and vertical centering method thereof | |
| CN209894157U (en) | Device for detecting free rotation angle of vehicle steering wheel | |
| CN110806282B (en) | Motor brush spring pressure test fixing device and method | |
| CN109141169A (en) | A kind of pitch diameter of thread bounce gauge | |
| CN221056214U (en) | Large deformation extensometer | |
| CN209342533U (en) | Torque test equipment is used in a kind of bolt strength test of turning machine jackshaft | |
| CN202383202U (en) | Jaw-adjustable direct-current resistance test plier | |
| CN212539490U (en) | Medical gun impact force detection mechanism | |
| CN110608703B (en) | Device for detecting free rotation angle of steering wheel of vehicle | |
| CN106918506B (en) | Compression permanent deformation test device for automobile glass guide groove | |
| CN210221461U (en) | Screw rod detector | |
| CN205333417U (en) | Lateral deformation measuring device | |
| CN111060597A (en) | Controllable excitation device for acoustic vibration detection | |
| CN219977755U (en) | Anchor clamps debugging testing platform | |
| CN105973518B (en) | Torsion testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 223001 Room 228, Office Building of Huai'an Industrial Park Management Committee, Huai'an City, Jiangsu Province Applicant after: SULINE NEW MATERIAL TECHNOLOGY AND TECHNOLOGY (HUAI'AN) Co.,Ltd. Address before: Room No. 200, Yuxi West Road, Qiandeng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: XINXIAN NEW MATERIALS TECHNOLOGY (KUNSHAN) Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 223399 the first floor of No.11 workshop, No.14 workshop and No.15 workshop of Electronic Information Industrial Park (Intelligent Manufacturing Industrial Park), Huai'an Industrial Park, Huai'an City, Jiangsu Province Applicant after: Strong core technology (Huai'an) Co.,Ltd. Address before: 223001 Room 228, Office Building of Huai'an Industrial Park Management Committee, Huai'an City, Jiangsu Province Applicant before: SULINE NEW MATERIAL TECHNOLOGY AND TECHNOLOGY (HUAI'AN) Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 223399 plant 1, No. 898 Bihua Road, high tech Industrial Development Zone, Tongzhou District, Nantong City, Jiangsu Province Applicant after: Qiangxin Technology (Nantong) Co.,Ltd. Address before: 223399 first floor of 11, 14 and 15 plants in Electronic Information Industrial Park (Intelligent Manufacturing Industrial Park) of Huai'an Industrial Park, Huai'an City, Jiangsu Province Applicant before: Strong core technology (Huai'an) Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |