CN210200358U - High-frequency data wire, high-frequency data wire harness, and high-frequency data cable - Google Patents
High-frequency data wire, high-frequency data wire harness, and high-frequency data cable Download PDFInfo
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- CN210200358U CN210200358U CN201921295344.4U CN201921295344U CN210200358U CN 210200358 U CN210200358 U CN 210200358U CN 201921295344 U CN201921295344 U CN 201921295344U CN 210200358 U CN210200358 U CN 210200358U
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Abstract
The utility model discloses a high frequency data wire rod, high frequency data pencil and high frequency data cable, including data transmission unit, middle protective body and extinction band, data transmission unit includes at least one data transmission heart yearn; the middle protective body is coated on the outer side wall of the data transmission unit; the light absorption wrapping tape is attached to one side, away from the data transmission unit, of the middle protective body. The utility model relates to a high frequency data wire rod, high frequency data pencil and high frequency data cable through set up the extinction band on middle sheath, can prevent at the in-process of radium-shine processing, the phenomenon of reflection of light appears, and the convenience is cut and is processed the high frequency data wire rod, has improved the stability of wire rod.
Description
Technical Field
The utility model relates to a high frequency data transmission wire rod field especially relates to a high frequency data wire rod, high frequency data pencil and high frequency data cable.
Background
The high frequency line (high frequency signal line) is a connection line for transmitting high frequency signals. The high-frequency line is generally a shielded line, and the conductor has impedance to cause some loss during signal transmission, so the high-frequency line is widely used, and a common cable television line is one of the high-frequency lines. Conditions for using the high-frequency line: the working temperature of the high-frequency cable is allowed to be in the range of-40 ℃ to +65 ℃, and the relative humidity is as follows: when the temp. is +40 deg.C, 98 [% ], and when it is mounted, its laying temp. is not lower than-15 deg.C. Field of use of high frequency lines: high frequency cables are suitable for transmitting radio frequency signals in radio communication equipment and related wireless electronic devices employing similar technology.
Among the current high frequency data line, one deck hot melt mylar layer has generally all been wrapped outmost, and hot melt mylar layer all is transparent bandeau, however, this kind of transparent band cladding is on metal shielding layer, and it is well known, metal shielding layer is the compound band of metal and mylar generally, and metal shielding layer sets up on mylar layer, make metal shielding layer outwards set up from this, at radium-shine processing's in-process, the phenomenon of reflection of light then appears easily in the metal shielding layer, it is not good to lead to radium-shine effect, thereby be unfavorable for the processing to data wire, the stability of wire rod has been reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a high frequency data wire rod, high frequency data pencil and high frequency data cable, can prevent at radium-shine processing's in-process, the phenomenon of reflection of light appears, and the convenience is cut and is processed the high frequency data wire rod, has improved the stability of wire rod.
The purpose of the utility model is realized through the following technical scheme:
a high frequency data wire comprising:
a data transmission unit comprising at least one data transmission core;
the middle protective body is coated on the outer side wall of the data transmission unit; and
and the light absorption wrapping tape is attached to one side of the middle protective body, which is far away from the data transmission unit.
In one embodiment, the light absorbing straps are colored straps.
In one embodiment, the high-frequency data wire further comprises a protective wrapping tape, and the protective wrapping tape is wrapped on the outer side wall of the light-absorbing wrapping tape.
In one embodiment, the protective wrapping tape comprises at least one hot-melt mylar layer, and the hot-melt mylar layer is wrapped outside the light-absorbing wrapping tape.
In one embodiment, the hot-melt mylar layer is a color mylar layer, and the color mylar layer is coated outside the light-absorbing envelope.
In one embodiment, the data transmission unit includes two data transmission core wires, the two data transmission core wires are arranged in parallel, and the intermediate protective body covers outer side walls of the two data transmission core wires.
In one embodiment, the high-frequency data wire further comprises at least one group of ground wire pairs, and the ground wire pairs are arranged on the outer side wall of the middle protective body.
In one embodiment, the middle protective body comprises an inner protective layer and a metal shielding layer, the inner protective layer is coated on the outer side wall of the data transmission unit, the metal shielding layer is coated on the inner protective layer, and the light absorption wrapping tape is attached to one side, away from the inner protective layer, of the metal shielding layer.
The utility model also provides a high frequency data pencil, including above arbitrary high frequency data wire rod, high frequency data pencil still includes insulating sheath, the insulating sheath cladding in on the lateral wall of high frequency data wire rod, wherein the high frequency data wire rod is provided with two, two the setting of laminating each other of lateral wall of high frequency data wire rod.
The utility model provides a high frequency data cable, including the aforesaid high frequency data pencil, high frequency data cable still includes outer sheath and a plurality of high frequency data wire rod, each high frequency data wire rod end to end connection in proper order encloses into the installation cavity jointly, high frequency data pencil holding in the installation cavity, and each the lateral wall of high frequency data wire rod attached in on the lateral wall of high frequency data pencil, outer sheath cladding is in each outside the high frequency data wire rod.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a high frequency data wire rod, high frequency data pencil and high frequency data cable through set up the extinction band on middle sheath, can prevent at the in-process of radium-shine processing, the phenomenon of reflection of light appears, and the convenience is cut and is processed the high frequency data wire rod, has improved the stability of wire rod.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a high-frequency data wire according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-frequency data wire harness according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a high-frequency data cable according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a high frequency data cable 10 includes: the light-absorbing bag comprises a data transmission unit 100, a middle protective body 200 and a light-absorbing bag 300, wherein the data transmission unit 100 is used for transmitting high-frequency data or high-frequency signals; the middle protective body 200 is used for wrapping the data transmission unit and plays a role in protection; the effect that extinction band 300 is used for realizing preventing reflecting light, when needs carry out radium-shine cutting, then with radium-shine light irradiation on the absorption band, then the phenomenon of reflection of light can not appear, conveniently carry out radium-shine cutting, cut the outer protection of data transmission unit and shielding component fast.
Referring to fig. 1, the data transmission unit 100 includes at least one data transmission core 110. It should be noted that the data transmission core 110 is used for transmitting high-frequency data.
Referring to fig. 1, the middle protector 200 is coated on the outer sidewall of the data transmission unit. It should be noted that the intermediate protecting body 200 can protect each data transmission core in the data transmission unit, and can also improve the structural stability of each data transmission core, thereby improving the stability and effectiveness of transmission.
Referring to fig. 1, the light absorbing wrapping tape 300 is attached to a side of the middle protective body away from the data transmission unit. In this embodiment, the light absorbing tape is a colored tape.
It can be understood that in the course of working of wire rod, need carry out laser machining to the wire rod, then strip out inside heart yearn and come out, and in laser machining's in-process, if the condition that the wire rod surface reflects light appears, when the ray shines on the outermost layer band of wire rod promptly, light can be walked by the reflection, and the shielding layer below outer band just cuts constantly like this, or can not completely cut off for there is the burr in the port department that does not cut the completion.
Consequently, in this embodiment, one deck extinction band has been attached on middle protective body, when needs carry out radium-shine, can not be like transparent outer band among the prior art the same, and the compound band of metal and wheat pulling can reflect out radium-shine light and come out, through adopting colored extinction band promptly, can guarantee at normal radium-shine in-process, expose the heart yearn behind radium-shine, can guarantee after radium-shine that all bands all take off, the skin is opened to the reuse sword, just so can guarantee once only to take off all bands, the condition that radium-shine secondary can scald the heart yearn can not appear, the improvement is to the guard effect of heart yearn, and then the stability and the reliability of wire rod have been guaranteed.
So, through set up the extinction band on middle sheath, can prevent at radium-shine processing's in-process, the phenomenon of reflection of light appears, conveniently cuts and processes the high frequency data wire rod, has improved the stability of wire rod.
It should be noted that the high-frequency data wire further includes a protective wrapping tape 400, and the protective wrapping tape 400 is wrapped on the outer side wall of the light-absorbing wrapping tape 300. Specifically, the protective wrapping tape 400 includes at least one hot-melt mylar layer, and the hot-melt mylar layer is wrapped outside the light-absorbing wrapping tape. In this embodiment, the protection wrapping tape includes two layers of hot melt mylar layers, and the two layers of hot melt mylar layers are sequentially laminated and wrapped outside the light-absorbing wrapping tape. As such, the protective tape serves to protect the entire structure of the wire from damage and to reinforce the structural stability of the wire.
It should be further noted that the hot-melt mylar layer is a color mylar layer, that is, may also be a transparent color mylar layer, and the color mylar layer is coated outside the light-absorbing envelope. So, through setting up colored wheat and drawing the layer, can increase the degree of discerning of wire rod on the one hand, on the other hand can reduce the degree of light reflection again, further improves radium-shine effect.
In another embodiment, the protective wrapping tape comprises two hot-melt mylar layers, the light-absorbing wrapping tape is arranged between the two hot-melt mylar layers, and the upper side surface and the lower side surface of the light-absorbing wrapping tape are respectively attached to the outer side walls of the two hot-melt mylar layers. Therefore, the light absorption effect of the light absorption wrapping belt can be ensured, and the laser effect is further ensured. In addition, the protective wrapping tape comprises a plurality of hot-melt mylar layers, and the light-absorbing wrapping tape is arranged between two of the hot-melt mylar layers. Therefore, when laser is ensured, the luminous phenomenon can not occur, and the laser effect is improved.
It can be understood that the existing high-frequency wire rod adopts a solid insulation and single ground wire parallel longitudinal wrapping structure, and the solid insulation causes the overall size of the wire rod to be large, so that the wire rod is inconvenient to process by customers; and the single ground wire structure is not symmetrical due to the wire structure, the wire performance is not good, and bending is needed in the processing process, so that great inconvenience is brought to processing, the processing efficiency is reduced, and the production capacity is reduced.
Based on this, in this embodiment, please refer to fig. 1, the data transmission unit 100 includes two data transmission core wires 110, the two data transmission core wires are disposed in parallel, and the middle protective body covers outer sidewalls of the two data transmission core wires. It should be noted that the data transmission core 110 is used for transmitting signals and data.
Further, in one of the data transmission core wires, the data transmission core wire 110 includes a central conductor 111 and an insulating sheath 112, the insulating sheath covers the central conductor, and the intermediate sheath covers the insulating sheath. It should be noted that the central conductor is used for transmitting high-frequency data; the insulating body is used for cladding on central conductor, plays the guard action to in this embodiment, the insulating body adopts the foaming insulating layer, thereby makes the size of wire rod littleer, and high frequency performance is better.
Referring to fig. 1, the high frequency data wire further includes at least one ground wire pair 500, and the ground wire pair 500 is disposed on an outer sidewall of the middle protector. In this embodiment, in a group of the ground wire pairs 500, the ground wire pairs 500 include two ground wires 510, and the two ground wires are respectively disposed on two sides of the data transmission unit. The two ground wires are respectively and symmetrically arranged outside the middle protective body, and the two ground wires are tightly connected with the outer side wall of the middle protective body. The ground wire is used for grounding the wire. It should be noted that, two ground wires are respectively disposed on two sides of the data transmission core wire, so that symmetry of the wire can be ensured, transmission rate of the wire is ensured, and reliability of data transmission is improved.
Referring to fig. 1, the middle protective body 200 includes an inner protective layer 210 and a metal shielding layer 220, the inner protective layer is coated on the outer sidewall of the data transmission unit, the metal shielding layer is coated on the inner protective layer, and the light absorbing wrapping tape is attached to one side of the metal shielding layer away from the inner protective layer. Further, the inner side wall of the inner sheath 210 is attached to the outer side wall of the insulating protective body 112, and the metal shielding layer 220 is longitudinally wrapped outside the inner sheath 210.
It should be noted that the inner sheath 210 is used to protect the data transmission unit, and meanwhile, by providing the foamed insulating layer and the inner sheath, under the same performance, compared with the pure solid structure in the prior art, the size is smaller, and the high-frequency performance is better; the metal shielding layer 220 is used for coating the whole inner protection layer, so that the structure of the inner protection layer is more stable, and the structure of the wire core pair is more stable.
Further, the protection wrapping tape is wrapped outside the metal shielding layer and the two ground wires. So, through the cladding with metal shielding layer at the inner sheath, two ground wires pass through 1 layer or 2 layers of bands parallel fixation on metal shielding layer's lateral wall for transmission performance can satisfy the requirement of high frequency (≧ 25 GHz).
Specifically, the protection wrapping tape is spirally wound outside the metal shielding layer and the two ground wires in a wrapping mode. Therefore, the protection wrapping belt is wound outside the ground wire and the metal shielding layer, so that the physical structural stability and the electrical stability of the wire under high frequency (greater than or equal to 25GHz) can be guaranteed.
Therefore, compared with a pure solid structure in the prior art, the core conductor has smaller size and better high-frequency performance by arranging the foaming insulating layer outside the core conductor and the inner protection layer coated outside the insulating protection layer; through setting up two ground wire structures for two ground wire symmetries set up, make the high frequency transmission line can not arouse the problem that the performance is not good because of both sides asymmetry, can also conveniently process and pack the high frequency transmission line, still make the structural stability of high frequency transmission line better simultaneously. It should be noted that, by the structure of the metal shielding layer, the outer-layer wrapping tape and the two ground wires, the transmission performance can also meet the requirement of high frequency (equal to or greater than 25 GHz).
It should be noted that the insulating protective body is a foamed insulating layer, and the foamed insulating layer is coated outside the center conductor. Therefore, the foaming insulating layer is a pure solid structure which is replaced by the foaming and solid inner protecting layer through the foaming and solid inner protecting layer, so that the size is smaller, and the high-frequency performance is better.
Referring to fig. 2, on the basis of the single high-frequency transmission parallel line pair, when two high-frequency transmission parallel line pairs are needed, different transmission efficiencies and different use conditions are achieved, and therefore, the utility model also provides a high-frequency data wire harness 20, including the high-frequency data wire 10 of any one of the above, the high-frequency data wire harness 20 further includes an insulating sheath 21, the insulating sheath is coated on the outer side wall of the high-frequency data wire, wherein the high-frequency data wire is provided with two, and the outer side walls of the two high-frequency data wires are mutually attached.
The insulating sheath 21 is wrapped around the two high-frequency data wires 10, and the insulating sheath 21 is spirally wound around the two high-frequency data wires 10. It should be noted that the insulating sheath 21 is used for covering two high-frequency data wires, and makes the structure of the high-frequency data wire harness more stable, makes the structure of the high-frequency data wire harness symmetrical, facilitates processing, and improves the structural stability and reliability of the wires.
Referring to fig. 2, the high-frequency data wire harness 20 further includes a shielding braided strap 22, the shielding braided strap 22 is wrapped outside the insulating sheath 21, and an inner sidewall of the shielding braided strap 22 is tightly attached to an outer sidewall of the insulating sheath 21. Therefore, by arranging the shielding braided wrapping tape 22, the structural stability can be further enhanced, and meanwhile, the parallel wire pairs can be protected to play a role in protection.
Referring to fig. 2, the high-frequency data wire harness 20 further includes an outer sheath 23, the outer sheath 23 is sleeved outside the shielding braided strap 22, and an inner side wall of the outer sheath 23 is tightly attached to an outer side wall of the shielding braided strap 22. Thus, by providing the outer sheath 23, the braided wrapping tape is shielded and shielded, thereby protecting the entire high-frequency data harness 20.
In another embodiment, a plurality of high frequency transmission parallel line pairs 10 are used in the cable bundle to realize transmission of different high frequency data, so as to satisfy different interfaces and actual requirements, and therefore, in an embodiment, please refer to fig. 3, the present invention further provides a high frequency data cable 30, including the above high frequency data cable 20, the high frequency data cable 30 further includes an outer sheath 31 and a plurality of high frequency data wires 10, each of the high frequency data wires is sequentially connected end to jointly enclose an installation cavity, the high frequency data cable is accommodated in the installation cavity, and an outer sidewall of each of the high frequency data wires is attached to an outer sidewall of the high frequency data cable, and the outer sheath is wrapped around each of the high frequency data wires.
Each high-frequency data wire is used for wrapping the high-frequency data wire harness to realize the transmission of high-frequency data; the outer layer sheath 31 is wrapped outside each high-frequency data wire rod and used for winding the whole wire harness, so that the structural stability is improved, and the effect of protecting the whole cable is achieved.
In the present embodiment, the number of the high-frequency data wires is 6, that is, the high-frequency data cable 30 is wound with six high-frequency data wires, that is, the high-frequency transmission wire harness is wound with six high-frequency data wires, so as to realize a high-speed transmission wire harness of 8 high-frequency data wires.
The high-frequency data cable 30 further includes a winding kit 32, where the winding kit 32 includes a first wrapping tape 32a and a second wrapping tape 32b, the first wrapping tape is spirally wound outside each of the high-frequency data wires, and the second wrapping tape is wrapped outside the first wrapping tape. So, through setting up two-layer band to the winding is outside each high frequency data wire rod, thereby can improve the structural stability of pencil.
Referring to fig. 3, the outer sheath 31 includes an outer shielding layer 31a and an insulating sheath 31b, the outer shielding layer 31a is wrapped on the outer sidewall of the second wrapping tape, and the insulating sheath is disposed on the outer shielding layer. Note that the outer shield layer 31a serves to perform a shielding function, and may also reinforce the entire structure. The insulating sheath 31b serves for protection.
Referring to fig. 3, the high-frequency transmission line bundle 20 further includes a filling layer 24, and the filling layer 24 is embedded between the outer sidewalls of the two high-frequency data wires and the inner sidewall of the insulating sheath. So, through setting up the filling layer for when the wire rod is extruded, inside sinle silk structure warp can not appear, has further strengthened the structural strength of pencil, has improved the structural stability of pencil.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a high frequency data wire rod, high frequency data pencil and high frequency data cable through set up the extinction band on middle sheath, can prevent at the in-process of radium-shine processing, the phenomenon of reflection of light appears, and the convenience is cut and is processed the high frequency data wire rod, has improved the stability of wire rod.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A high frequency data wire, comprising:
a data transmission unit comprising at least one data transmission core;
the middle protective body is coated on the outer side wall of the data transmission unit; and
and the light absorption wrapping tape is attached to one side of the middle protective body, which is far away from the data transmission unit.
2. The high frequency data wire of claim 1, wherein the light absorbing tape is a colored tape.
3. The high-frequency data wire of claim 1, further comprising a protective tape covering an outer sidewall of the light-absorbing tape.
4. The high-frequency data wire of claim 3, wherein the protective tape comprises at least one hot-melt mylar layer, and the hot-melt mylar layer is wrapped outside the light-absorbing tape.
5. The high-frequency data wire of claim 4, wherein the hot-melt mylar layer is a color mylar layer, and the color mylar layer is wrapped outside the light-absorbing wrapping band.
6. The high-frequency data wire according to claim 1, wherein the data transmission unit includes two data transmission core wires, the two data transmission core wires are disposed in parallel with each other, and the intermediate protector is coated on outer sidewalls of the two data transmission core wires.
7. The high frequency data wire of claim 1, further comprising at least one set of ground wire pairs disposed on an outer sidewall of the intermediate shield.
8. The high-frequency data wire according to claim 1, wherein the middle protective body includes an inner protective layer and a metal shielding layer, the inner protective layer is coated on an outer sidewall of the data transmission unit, the metal shielding layer is coated on the inner protective layer, and the light absorbing wrapping tape is attached to a side of the metal shielding layer away from the inner protective layer.
9. A high-frequency data wire harness, which is characterized by comprising the high-frequency data wire rod of any one of claims 1 to 8, and further comprising an insulating sheath, wherein the insulating sheath is coated on the outer side wall of the high-frequency data wire rod, two high-frequency data wire rods are arranged, and the outer side walls of the two high-frequency data wire rods are attached to each other.
10. A high-frequency data cable, comprising the high-frequency data wire harness of claim 9, further comprising an outer sheath and a plurality of high-frequency data wires, wherein the high-frequency data wires are sequentially connected end to jointly define an installation cavity, the high-frequency data wire harness is accommodated in the installation cavity, the outer side wall of each high-frequency data wire is attached to the outer side wall of the high-frequency data wire harness, and the outer sheath is wrapped around each high-frequency data wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921295344.4U CN210200358U (en) | 2019-08-09 | 2019-08-09 | High-frequency data wire, high-frequency data wire harness, and high-frequency data cable |
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| CN201921295344.4U CN210200358U (en) | 2019-08-09 | 2019-08-09 | High-frequency data wire, high-frequency data wire harness, and high-frequency data cable |
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| CN210200358U true CN210200358U (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491572A (en) * | 2019-08-09 | 2019-11-22 | 乐庭电线工业（惠州）有限公司 | High-frequency data wire rod, high-frequency data harness and high-frequency data cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491572A (en) * | 2019-08-09 | 2019-11-22 | 乐庭电线工业（惠州）有限公司 | High-frequency data wire rod, high-frequency data harness and high-frequency data cable |
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Effective date of registration: 20210708 Address after: 516029 Desai No.3 Industrial Park, Zhongkai Avenue, Huizhou City, Guangdong Province Patentee after: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee after: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee after: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee after: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Address before: 516006 Desai No.3 Industrial Park, Zhongkai Avenue, Huizhou City, Guangdong Province Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.6, Qingli Second Road, Shuikou Street, Huicheng District, Huizhou, Guangdong Province, 516000 Patentee after: LTK Electric Wire (Huizhou) Ltd. Country or region after: China Patentee after: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee after: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee after: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Address before: 516029 Desai No.3 Industrial Park, Zhongkai Avenue, Huizhou City, Guangdong Province Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Country or region before: China Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. |