CN112030345B - Safe Jacquard Drive System - Google Patents
Safe Jacquard Drive SystemDownload PDFInfo
- Publication number
- CN112030345B CN112030345BCN202010965934.4ACN202010965934ACN112030345BCN 112030345 BCN112030345 BCN 112030345BCN 202010965934 ACN202010965934 ACN 202010965934ACN 112030345 BCN112030345 BCN 112030345B
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- China
- Prior art keywords
- jacquard
- power supply
- circuit board
- input
- electrical contact
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
- D04B27/32—Thread guide bar assemblies with independently-movable thread guides controlled by Jacquard mechanisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Translated fromChinese
Description
Technical Field
The invention relates to the textile technology, in particular to a safe jacquard driving system.
Background
An existing piezoelectric jacquard is installed on a guide bar and provides signals and power through an external cable. The external cable is not only not beautiful, but also occupies a large space, and the installation and the disassembly of the jacquard are inconvenient.
Chinese patent application No. 201810140458.5 filed by the applicant describes a piezoelectric jacquard mounting assembly with conductive contacts, comprising a piezoelectric jacquard, a guide bar connected with the piezoelectric jacquard, a circuit board arranged on the piezoelectric jacquard, characterized in that a plurality of conductive contacts are connected at an input point of the lower side of the circuit board, a circuit board base plate is fixed on one side of the guide bar facing the lower side of the circuit board, contact points corresponding to the plurality of conductive contacts are arranged on the circuit board base plate, the plurality of conductive contacts are electrically connected with the corresponding contact points through a plurality of corresponding holes arranged on the piezoelectric jacquard base, and the corresponding contact points are connected to an input interface at one end of the circuit board base plate.
Through adopting the piezoelectricity merchant card installation component who has electrically conductive contact in the above-mentioned application, because the circuit board bottom plate directly sets up on the sley bar, can show the space of sparingly machine structure, can no longer use prior art well external cable to provide signal input and power input moreover to more pleasing to the eye, and piezoelectricity merchant clamps and unloads very conveniently.
However, the technical solutions in the above applications still have disadvantages that the contact points of the plurality of conductive contacts and the contact points corresponding to the plurality of conductive contacts on the circuit board bottom plate cannot be precisely positioned sometimes, and are prone to be misaligned, and if the contact points are misaligned in the mounting process (for example, the voltage contact point and the signal point contact, the circuit board may be damaged), the electrical contact is poor or fails. The conductive contact piece is positioned by the positioning hole of the needle plate.
Chinese patent application No. 201820948018.8 provides a location installation's piezoelectricity merchant card installation component that has electrically conductive contact spare, including piezoelectricity merchant card, the sley bar of being connected with piezoelectricity merchant card, be provided with the circuit board on the piezoelectricity merchant card, be connected with a plurality of electrically conductive contact spare at the input point department of the downside of circuit board, be fixed with the circuit board bottom plate in one side of sley bar towards the downside of circuit board, be equipped with the contact point that corresponds with a plurality of electrically conductive contact spare on the circuit board bottom plate, a plurality of electrically conductive contact spare pass set up a plurality of corresponding holes on piezoelectricity merchant card cassette with the corresponding contact point electricity is connected, the corresponding contact point is connected to the input interface that is located circuit board bottom plate one end, its characterized in that still is equipped with the reference column on the lower surface of piezoelectricity merchant card cassette, be equipped with the locating hole that corresponds with the reference column on the circuit board bottom plate, the length of the positioning column is greater than the length of the conductive contact piece extending out of the lower surface of the piezoelectric jacquard clamping seat, so that after the positioning column is inserted into the corresponding positioning hole, the plurality of conductive contact pieces are electrically connected with the corresponding contact points. By adopting the positioning device for positioning and mounting, the problems that contact points which are arranged on a plurality of conductive contact elements and a circuit board bottom plate in the Chinese patent application No. 201810140458.5 and correspond to the plurality of conductive contact elements can not be accurately positioned sometimes and are easy to be misplaced are solved, so that accurate and reliable electric connection is realized. The cooperation of faller reference column and circuit board bottom plate locating hole can be so that need not adjust in the merchant card installation. The jacquard guide needle needs to be matched with a groove needle or a latch needle corresponding to a machine, when the jacquard guide needle is inclined, a needle needs to be clamped, a positioning column and a positioning hole are matched in installation mode, the jacquard guide needle is installed in place, and then the guide needle and the groove needle or the latch needle of the machine can be matched in place.
Chinese patent application No. 201710030965.9 provides an active jacquard drive system comprising: at least one driver, the driver is arranged on the jacquard and is used for directly driving a jacquard needle on the jacquard, and the driver is provided with a first interface; at least one CPU for receiving and processing a process signal to output a CLK clock signal, an LE signal, and a data signal to the driver; the flat cable comprises a circuit for providing required driving power supply for the CPU and the driver, a process signal line and at least one second interface, wherein the second interface is used for providing the driving power supply and the CLK clock signal, LE signal and data signal for the driver; and the first interface and the second interface can be electrically connected through plugging. The invention provides an active jacquard driving mode, namely a driver is directly arranged on a jacquard, so that the jacquard is directly driven by the driver without being electrically connected with a slot of the jacquard driver arranged on a warp knitting machine frame through a jacquard lead socket, thereby eliminating a large number of leads, simplifying a driving system and reducing the adverse effects of the leads on equipment layout, production and new product development and design.
Chinese patent application No. 202010354740.0 provides a jacquard driving system, including a power and process signal input part, a circuit board, a CPU board, a driving circuit board and a jacquard to be driven, where the power and process signal input part includes a power and process signal input end, and an input circuit board electrically connected to the power and process signal input end, the input circuit board has a first electrical contact, the circuit board has a second electrical contact corresponding to the first electrical contact, and the first electrical contact and the second electrical contact are electrically connected through a conductive contact; the CPU board is fixed on the guide bar and comprises an input end and an output end; the guide bar is provided with through holes at positions corresponding to the input end and the output end of the CPU board, and the input end and the output end of the CPU board are electrically connected with the output end and the input end of the circuit bottom board through the through holes. The jacquard driving system of the invention enables the space of the matching area to be more compact, and is convenient for configuring more guide bars.
There is still a need in the art for a jacquard actuator system that is simple, reliable, highly safe, and easy to install and remove.
Disclosure of Invention
The invention relates to a safety jacquard driving system. The safety jacquard driving system has better safety and more convenient installation and disassembly.
The safe jacquard driving system comprises a power supply and process signal input unit, a circuit bottom plate, a CPU plate, a driving circuit board and a jacquard to be driven, wherein the circuit bottom plate is fixed on one side of a guide bar facing the jacquard, the driving circuit board is fixed on the jacquard, a driving input electric contact is arranged on the driving circuit board, a driving output electric contact corresponding to the driving input electric contact is arranged on the circuit bottom plate, the driving input electric contact and the driving output electric contact are electrically connected through a conductive contact element penetrating through a base of the jacquard, and the safe jacquard driving system is characterized in that the power supply and process signal input unit comprises a connector for inputting power supply and process signals, a gasket, a high-voltage power switch and an input circuit board electrically connected with the connector for inputting power supply and process signals, and the power supply and process signal input unit is fixed on the guide bar, the input circuit board is provided with a first electric contact, the circuit bottom board is provided with a second electric contact corresponding to the first electric contact, and the first electric contact and the second electric contact are electrically connected through a first connecting piece; the CPU board is fixed on the guide bar and comprises an input end and an output end, and the input end and the output end of the CPU board are electrically connected with the corresponding output end and input end arranged on the circuit bottom board; the power supply and process signal input unit is used for firstly realizing the electric connection of other signals except the high-voltage power supply signal and the input circuit board when the power supply and process signal input connector is plugged, and only when the gasket is pressed, the high-voltage power supply switch is closed, so that the electric connection of the high-voltage power supply signal and the input circuit board is realized.
By adopting the technical scheme, the high-voltage power supply is switched on only in the good contact state of the power supply and the connector for inputting the process signal, so that the situation that the high voltage is switched on firstly in the plugging process of the power supply and the connector for inputting the process signal to cause the damage of the active jacquard is prevented.
In one embodiment, one part of the connector for inputting power and process signals is provided with an external thread, and the other part is provided with a locking nut matched with the external thread, during the locking process of the locking nut, the electric connection of other signals except for the high-voltage power signals and the input circuit board is firstly realized, and then the locking nut applies pressure to the gasket to close the high-voltage power switch.
In a preferred embodiment, the input circuit board of the power supply and process signal input unit is further provided with a power supply on-off switch.
The power on-off switch is arranged, so that when a single jacquard is required to be replaced, the power on-off of the power supply can be controlled through the power on-off switch.
In a preferred embodiment, the bottom side of the jacquard needle seat is provided with at least two polygonal positioning columns, and the circuit bottom plate is provided with corresponding polygonal positioning holes, wherein the depth of each polygonal positioning hole is not less than the length of the polygonal positioning column extending from the bottom side of the jacquard needle seat.
In a more preferred embodiment, the polygon is a quadrilateral.
Most preferably, the quadrilateral is a square.
In one embodiment, the circuit substrate is an elongated circuit substrate, and the elongated circuit substrate is composed of at least two sections, wherein two adjacent sections of the elongated circuit substrates are electrically connected.
In a specific embodiment, the two adjacent sections of strip-shaped circuit bottom plates are mechanically and electrically connected through a second connecting piece, the second connecting piece comprises an insulating base and a conductive connecting piece, grooves corresponding to the conductive connecting pieces one to one are formed in the base, and the adjacent grooves are separated by an insulating wall; a positioning column is arranged in each groove, and a positioning hole corresponding to the positioning column is arranged on each conductive connecting piece; two connecting positioning columns are further arranged in at least one groove, a first connecting positioning hole is formed in the conductive connecting piece corresponding to the groove, and second connecting positioning holes are formed in two adjacent sections of long-strip-shaped circuit bottom plates; when the conductive connecting pieces are installed in place, the conductive connecting pieces are respectively arranged in the corresponding grooves, the positioning columns are inserted into the corresponding positioning holes, the connecting positioning columns respectively penetrate through the first connecting positioning holes and the second connecting positioning holes to mechanically connect the two adjacent sections of long-strip-shaped circuit bottom plates, and meanwhile the conductive connecting pieces are electrically connected with the electric contacts arranged on the two adjacent sections of long-strip-shaped circuit bottom plates.
In a preferred embodiment, the conductive connecting member is an elastic conductive sheet, and the elastic conductive sheet includes a first tab and a second tab that are combined together, the first tab is electrically connected to the electrical contact on one of the two adjacent segments of the elongated circuit boards, and the second tab is electrically connected to the electrical contact on the other of the two adjacent segments of the elongated circuit boards.
The scheme provides a reliable mode for realizing the electric connection between the two adjacent sections of the long-strip-shaped circuit bottom plates.
The first connecting member in the present invention may have the same structure as the second conductive connecting member.
Drawings
FIG. 1 shows a perspective view of an assembled security jacquard drive system of the present invention;
FIG. 2 is a perspective exploded view of a portion of the power and process signal input unit of the security jacquard drive system of FIG. 1;
FIG. 3 shows a perspective view of a portion of the security jacquard drive system of the present invention;
FIG. 4 shows a perspective view of a portion of the security jacquard drive system of the present invention of FIG. 3 in an assembled state;
fig. 5 is a perspective exploded view of two adjacent lengths of strip line backplane and a strip line backplane connector for connecting the two adjacent lengths of strip line backplane;
fig. 6 shows an exploded perspective view of the strip line backplane connector of fig. 5; and
fig. 7 shows a perspective view of the assembled strip line backplane connector of fig. 6.
Detailed Description
The invention will be further explained with reference to the drawings. It is to be understood that the specific embodiments of the invention that are illustrated in the accompanying drawings are for purposes of description only and are not necessarily drawn to scale. Accordingly, the drawings in the present application should not be construed as limiting the invention in any way. The scope of the invention is defined by the claims.
For purposes of clarity, not all of the components or features are labeled in some of the figures, and thus, upon reading the following description, reference should be made to all of the figures for a clear and complete understanding of the invention.
It should be understood that directional terms such as, but not limited to, "upper," "lower," "left," "right," "front," "rear," and the like, as may appear in the present invention, are relative concepts only and should not be construed as limiting the scope of the invention.
As shown in fig. 1-7, the security jacquard driving system of the present invention comprises a power and processsignal input unit 60, acircuit board 30, aCPU board 10, a drivingcircuit board 510, and ajacquard 50 to be driven. Thewiring substrate 30 is fixed to a side of theguide bar 20 facing thejacquard 50, the drivingcircuit board 510 is fixed to thejacquard 50, and the drivingcircuit board 510 is provided with a driving input electrical contact (not shown). Thewiring backplane 30 is provided with drive output electrical contacts (not shown) corresponding to the drive input electrical contacts. The drive input electrical contacts and the drive output electrical contacts are electrically connected by conductive contacts (not shown) passing through the base (not shown) of thejacquard machine 50.
The above-mentioned structural features, which are not shown, are prior art, and specifically, refer to at least chinese patent application No. 201810140458.5. This patent application is hereby incorporated by reference in its entirety.
As shown in fig. 2, the power and processsignal input unit 60 comprises power and processsignal input connectors gasket 63, high voltage power switches 65, 66, ahousing 68 and aninput circuit board 64 electrically connected to the power and processsignal input connectors signal input unit 60 is fixed to theguide bar 20, for example, by screws throughholes 681 in the housing 68 (another identical hole, not shown, is also provided on the other side of the housing 68) to fix the power and processsignal input unit 60 to theguide bar 20.
Theconnector 61 for inputting the power supply and the process signal is provided with anexternal thread 610, theconnector 62 is provided with a lockingnut 620 matched with theexternal thread 610, in the process of locking the lockingnut 620, firstly, the electric connection between other signals except the high-voltage power supply signal and theinput circuit board 64 is realized (theconnector 61 penetrates through ahole 632 in the gasket 63), thegasket 63 is pressed along with the lockingnut 620, and twopins gasket 63 are respectively connected with twopower switches input circuit board 64, so that the high-voltage power switches are closed. Of course, thespacer 63 may be provided with only one leg, and the object of the present invention can be achieved. The purpose of the twopins power switches input circuit board 64.
Theconnectors
Theinput circuit board 64 has a first electrical contact (not shown) thereon, and thecircuit substrate 30 has a second electrical contact (not shown) thereon corresponding to the first electrical contact, the first and second electrical contacts being electrically connected by thefirst connector 40. The first connectingmember 40 may take a form commonly used in the art, but is not limited thereto.
Preferably, a power on-off switch 67 is further provided on theinput circuit board 64 of the power and processsignal input unit 60. The power on-off switch 67 is arranged to control the on-off of the power supply through the power on-off switch when a single jacquard needs to be replaced.
By way of example and not limitation, theCPU board 10 may be secured within aCPU recess 210 in the side of theguide bar 20 usingscrews 15. TheCPU board 10 includes input and output terminals (not shown) thereon, and the input and output terminals of theCPU board 10 are electrically connected to corresponding output and input terminals provided on thewiring substrate 30. The electrical connection between the input and output terminals of theCPU board 10 and the corresponding output and input terminals of thecircuit board 30 can be performed by a conventional method in the art, such as, but not limited to, a plug-in connection via a flat cable.
Alternatively, the present invention may also employ the design of chinese patent application No. 202010354740.0, in which a CPU board receiving groove is provided on the other side of theguide bar 20 opposite to the side where thewiring substrate 30 is fixed, and theCPU board 10 is fixed in the CPUboard receiving groove 210. Accordingly, the input/output terminals on theCPU board 10 and the output/input terminals on thewiring substrate 30 can be directly electrically connected by plugging.
Preferably, the underside of each jacquard needle holder is provided with at least two polygonal positioning columns (not shown), and thecircuit bottom plate 30 is provided with corresponding polygonal positioning holes 320, wherein the depth of the polygonal positioning holes 320 is not less than the length of the polygonal positioning columns extending from the underside of the jacquard needle holder.
The matching of the polygonal positioning column and the polygonal positioning hole can ensure that the driving input electric contact on the jacquard and the driving outputelectric contact 310 on the circuit bottom plate are aligned and reliably electrically connected through the first conductive contact piece.
The polygon may be a triangle, a quadrangle, a pentagon, a hexagon, etc., preferably a regular polygon, more preferably a square.
Of course, the invention can also realize the positioning by matching the circular positioning column arranged at the bottom side of the jacquard needle seat with the corresponding waist-shaped positioning hole arranged on the circuit bottom plate.
In order to facilitate the manufacture and installation of the circuit board, as shown in fig. 5, 6 and 7, thecircuit board 30 is a strip-shaped circuit board, and the strip-shaped circuit board is composed of two or more sections, wherein two adjacent sections of strip-shaped circuit boards are electrically connected.
Specifically, for example, the two adjacent sections of strip line baseplates 30-1 and 30-2 are mechanically and electrically connected through the second connectingmember 80. As shown in fig. 6, thesecond connector 80 includes an insulatingbase 82 and aconductive connector 81. Thebase 82 is provided with grooves corresponding to the conductive connectingmembers 81 one to one. By way of example, the recess 82-3 corresponds to one of the conductive connectors 81-3. The grooves 82-3 are separated from adjacent grooves by insulating walls 82-3-1, 82-3-2, respectively. A conductive connecting part positioning column is arranged in each groove, for example, a positioning column 82-3-3 is arranged in the groove 82-3, and a positioning hole 81-3-3 corresponding to the positioning column 82-3-3 is arranged on the conductive connecting part 81-3. Two connecting positioning columns 82-1 and 82-2 are further arranged in one of the grooves, such as the groove 82-3, first connecting positioning holes 81-1 and 81-2 are arranged on the conductive connecting piece 81-3 corresponding to the groove 82-3, and second connecting positioning holes 30-1-1 and 30-2-2 are respectively arranged on the two adjacent sections of the strip-shaped circuit bottom plates 30-1 and 30-2. When the circuit board is installed in place, as shown in fig. 7, the conductive connecting parts are respectively placed in the corresponding grooves, the connecting part positioning columns such as 82-3-3 are inserted into the corresponding positioning holes 81-3-3, the connecting positioning columns 82-1 and 82-2 respectively penetrate through the first connecting positioning holes 81-1 and 81-2 and the second connecting positioning holes 30-1-1 and 30-2-2 to mechanically connect the two adjacent sections of the strip-shaped circuit boards 30-1 and 30-2, and the conductive connectingparts 81 are electrically connected with electrical contacts (not shown) arranged on the two adjacent sections of the strip-shaped circuit boards 30-1 and 30-2.
Each of the conductive connectingmembers 81 is preferably a resilient conductive sheet comprising a first tab and a second tab joined together, for example, connecting member 81-3 comprises a first tab 81-3-1 and a second tab 81-3-2. The first wing piece 81-3-1 is electrically connected with an electrical contact on one section 30-1 of the two adjacent sections of the elongated circuit boards, and the second wing piece 81-3-2 is electrically connected with an electrical contact on the other section 30-2 of the two adjacent sections of the elongated circuit boards.
The first connectingmember 40 of the present invention may have the same or similar structure as the second connectingmember 80.
Theguide bar 20 is preferably made of carbon fiber materials, has low thermal linear expansion coefficient and small influence by temperature, and can effectively avoid the influence of heat generated by components and parts of a driving plate on the jacquard needle selection precision.
Based upon the foregoing description of the preferred embodiment of the invention, it should be apparent that the invention defined by the appended claims is not limited solely to the specific details set forth in the foregoing description, as many apparent variations thereof are possible without departing from the spirit or scope thereof.
Claims (9)
Translated fromChinesePriority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965934.4ACN112030345B (en) | 2020-09-15 | 2020-09-15 | Safe Jacquard Drive System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965934.4ACN112030345B (en) | 2020-09-15 | 2020-09-15 | Safe Jacquard Drive System |
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| Publication Number | Publication Date |
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| CN112030345A CN112030345A (en) | 2020-12-04 |
| CN112030345Btrue CN112030345B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010965934.4AActiveCN112030345B (en) | 2020-09-15 | 2020-09-15 | Safe Jacquard Drive System |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008931A (en)* | 2014-06-04 | 2014-08-27 | 河北工业大学 | Driving operation mechanism with three-power-supply automatic change-over switch |
| CN204496248U (en)* | 2015-03-17 | 2015-07-22 | 三明学院 | Towards the embedded electronic jacquard comb that warp knitting machine jacquard controls |
| CN205974946U (en)* | 2016-08-06 | 2017-02-22 | 重庆中镭科技有限公司 | Piezoelectric jacquard device of warp knitting machine |
| CN106757749A (en)* | 2017-01-17 | 2017-05-31 | 江苏明朗星新能源科技发展有限公司 | Active Jacquard drive system |
| CN209227173U (en)* | 2018-12-01 | 2019-08-09 | 重庆中镭科技有限公司 | A kind of tricot machine piezoelectric jacquard jacquard attachment |
| CN210262216U (en)* | 2019-06-22 | 2020-04-07 | 重庆中镭科技有限公司 | A piezoelectric jacquard control structure for warp knitting machine |
| CN111501192A (en)* | 2020-04-29 | 2020-08-07 | 江苏明朗星新能源科技发展有限公司 | New Jacquard drive system |
- 2020
- 2020-09-15CNCN202010965934.4Apatent/CN112030345B/enactiveActive
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008931A (en)* | 2014-06-04 | 2014-08-27 | 河北工业大学 | Driving operation mechanism with three-power-supply automatic change-over switch |
| CN204496248U (en)* | 2015-03-17 | 2015-07-22 | 三明学院 | Towards the embedded electronic jacquard comb that warp knitting machine jacquard controls |
| CN205974946U (en)* | 2016-08-06 | 2017-02-22 | 重庆中镭科技有限公司 | Piezoelectric jacquard device of warp knitting machine |
| CN106757749A (en)* | 2017-01-17 | 2017-05-31 | 江苏明朗星新能源科技发展有限公司 | Active Jacquard drive system |
| CN209227173U (en)* | 2018-12-01 | 2019-08-09 | 重庆中镭科技有限公司 | A kind of tricot machine piezoelectric jacquard jacquard attachment |
| CN210262216U (en)* | 2019-06-22 | 2020-04-07 | 重庆中镭科技有限公司 | A piezoelectric jacquard control structure for warp knitting machine |
| CN111501192A (en)* | 2020-04-29 | 2020-08-07 | 江苏明朗星新能源科技发展有限公司 | New Jacquard drive system |
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| CN112030345A (en) | 2020-12-04 |
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| TR01 | Transfer of patent right | Effective date of registration:20250814 Address after:213164 Jiangsu Province, Changzhou City, Wujin District, Changwu Middle Road 18-67.NO Patentee after:Anfiyue Textile Technology (Changzhou) Co.,Ltd. Country or region after:China Address before:213164 Changzhou City, Wujin province Chang Wu Road, No. 18, No. Patentee before:JIANGSU MINGLANGXING NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before:China | |
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