CN210052576U - High-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission wire harness - Google Patents
High-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission wire harness Download PDFInfo
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- CN210052576U CN210052576U CN201920990012.1U CN201920990012U CN210052576U CN 210052576 U CN210052576 U CN 210052576U CN 201920990012 U CN201920990012 U CN 201920990012U CN 210052576 U CN210052576 U CN 210052576U
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Abstract
The utility model discloses a high-frequency transmission parallel wire pair, high-frequency transmission wire rod and high-frequency transmission pencil, including parallel sinle silk pair, inlayer protective sheath spare, ground wire pair and outer band, parallel sinle silk pair includes two sinle silks, and the sinle silk includes central conductor and insulating sleeve body; the inner layer protective sleeve comprises an inner protective layer and a metal shielding layer; and the outer-layer wrapping tape is wrapped outside the metal shielding layer and the two ground wires. The utility model relates to a high-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission pencil, through set up the foaming insulating layer and coat the inner sheath outside the insulating cover outside the center conductor, compare the pure solid construction among the prior art, the size is littleer, the high-frequency performance is better; 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.
Description
Technical Field
The utility model relates to a high frequency wire rod structure field especially relates to a high frequency transmission parallel line pair, high frequency transmission wire rod and high frequency transmission pencil.
Background
The high-frequency data line is used for connecting the mobile equipment and the computer to achieve the purpose of data transmission or communication. Generally speaking, it is a channel tool for connecting a computer and a mobile device to transmit files such as video, ring tone, and picture. The high-frequency data line classifies a COM interface and a USB interface according to the interface type, wherein the COM interface is also called a serial port, is connected behind a desktop computer and is eliminated at present. The advantages are low price, support the machine brushing (some mobile phones can only brush the machine with serial port wires); the defects are that the disassembly and the pulling are extremely inconvenient, the notebook computer is not supported, and the transmission speed is slow. The USB interface is the mainstream, has the advantages of convenience, rapidness and stability, and supports computers of all models; the disadvantage is that the price of the belt IC (central control chip) is slightly higher, and the other part of the data line does not support the flash function.
However, the existing high-frequency wire rod adopts a structure of solid insulation and a single ground wire parallel longitudinal wrapping, 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects in the prior art and providing a high-frequency transmission parallel line pair, a high-frequency transmission wire rod and a high-frequency transmission wire harness, wherein, compared with a pure solid structure in the prior art, the high-frequency transmission parallel line pair, the high-frequency transmission wire rod and the high-frequency transmission wire harness are provided with a foaming insulating layer and an inner protective layer coated outside an insulating sleeve outside a center conductor; 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.
The purpose of the utility model is realized through the following technical scheme:
a high frequency transmission parallel line pair comprising:
the cable comprises a parallel cable core pair, a cable core and a cable core, wherein the parallel cable core pair comprises two cable cores, the two cable cores are arranged in parallel, in one cable core, the cable core comprises a central conductor and an insulating sleeve body, an accommodating cavity is arranged in the insulating sleeve body, the central conductor is accommodated in the accommodating cavity of the cable core, and the outer wall of the central conductor is tightly attached to the inner side wall of the accommodating cavity;
the inner layer protective sleeve piece comprises an inner protective layer and a metal shielding layer, the inner protective layer is coated outside the two wire cores, the inner side wall of the inner protective layer is attached to the outer side wall of the insulating sleeve body, and the metal shielding layer is longitudinally coated outside the inner protective layer;
the ground wire pair comprises two ground wires, the two ground wires are respectively arranged outside the metal shielding layer, and the two ground wires are tightly connected with the outer side wall of the metal shielding layer; and
and the outer-layer belting is wrapped outside the metal shielding layer and the two ground wires.
In one embodiment, the insulating sleeve body is a foamed insulating layer, and the foamed insulating layer is coated outside the center conductor.
In one embodiment, the central axes of the two ground wires are parallel to the central axes of the two wire cores.
In one embodiment, the outer wrapping tape is spirally wound outside the metal shielding layer and the two ground wires in a wrapping manner.
The high-frequency transmission wire comprises any one of the high-frequency transmission parallel wire pairs, and further comprises two insulating wrapping belts, the outer side walls of the two high-frequency transmission parallel wire pairs are tightly attached together, the two high-frequency transmission parallel wire pairs are wrapped by the insulating wrapping belts, and the two high-frequency transmission parallel wires are wound on the insulating wrapping belts in a spiral mode and are outward.
In one embodiment, the high-frequency transmission wire further includes a shielding braid, the shielding braid is wrapped outside the insulating wrapping tape, and an inner side wall of the shielding braid is closely attached to an outer side wall of the insulating wrapping tape.
In one embodiment, the high-frequency transmission wire further comprises an outer sheath, the outer sheath is sleeved outside the shielding braided layer, and the inner side wall of the outer sheath is tightly attached to the outer side wall of the shielding braided layer.
A high-frequency transmission wire harness comprising high-frequency transmission wires, the high-frequency transmission wire harness further comprising:
the parallel line group comprises a plurality of transmission line pairs, and each transmission line pair is respectively wound outside the high-frequency transmission line;
the belt sleeve is coated outside each transmission line; and
the protection sleeve comprises an outer protection shielding layer and an insulating outer sleeve, the outer protection shielding layer is coated on the outer side wall of the belt sleeve, and the insulating outer sleeve is arranged on the outer protection shielding layer.
In one embodiment, the strapping package comprises a first strapping band and a second strapping band, the first strapping band is spirally wound outside each transmission line, and the second strapping band is wrapped outside the first strapping band.
In one embodiment, the high-frequency transmission wire further comprises a filling layer, and the filling layer is embedded between the outer side walls of the two high-frequency transmission parallel wire pairs and the inner side walls of the insulating tape.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a high-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission pencil, through set up the foaming insulating layer and coat the inner sheath outside the insulating cover outside the center conductor, compare the pure solid construction among the prior art, the size is littleer, the high-frequency performance is better; 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).
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 transmission parallel line pair according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a high-frequency transmission wire according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a high-frequency transmission line bundle 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 transmission parallel line pair 10 includes: the cable comprises a parallel wire core pair 100, an inner-layer protective sleeve 200, a ground wire pair 300 and an outer-layer belting 400, wherein the parallel wire core pair 100 is used for transmitting high-frequency data; the inner layer protecting sleeve 200 is used for protecting the parallel line pair, so that the structure of the parallel line pair is stable and symmetrical; the ground wire pair 300 is arranged outside the inner-layer protective sleeve and forms a symmetrical structure, so that the performance of the wire is improved; the outer layer wrapping tape 400 is used for being wound outside the ground wire, so that the stability of the ground wire is improved, and the structural stability of the wire is further improved.
Referring to fig. 1, the parallel wire core pair 100 includes two wire cores 110, the two wire cores 110 are arranged in parallel, in one wire core 110, the wire core 110 includes a central conductor 111 and an insulating sleeve 112, an accommodating cavity is provided in the insulating sleeve 112, the central conductor 111 is accommodated in the accommodating cavity of the wire core, and an outer wall of the central conductor 111 is tightly attached to an inner side wall of the accommodating cavity. It should be noted that the central conductor is used for transmitting high-frequency data; the insulating sleeve body is used for wrapping the central conductor to play a role in protection, and in the embodiment, a foaming insulating layer is adopted, so that the wire rod is smaller in size and better in high-frequency performance.
Referring to fig. 1, the inner protective sheath 200 includes an inner sheath 210 and a metal shielding layer 220, the inner sheath 210 covers the two wires 110, an inner sidewall of the inner sheath 210 is attached to an outer sidewall of the insulating sheath 112, and the metal shielding layer 220 covers the inner sheath 210 longitudinally. It should be noted that the inner sheath 210 is used for protecting the parallel wire core pairs, and meanwhile, by arranging the foamed insulating layer and the inner sheath, under the same performance, compared with a 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.
Referring to fig. 1, the ground wire pair 300 includes two ground wires 310, which are respectively and symmetrically disposed outside the metal shielding layer, and are tightly close to the outer side wall of the metal shielding layer. It should be noted that the ground wire 310 is used to serve as a grounding function of the wire.
Referring to fig. 1, the outer tape 400 is wrapped around the metal shielding layer and the two ground lines. 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).
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 sleeve; 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 sleeve 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.
It should be noted that the central axes of the two ground wires are parallel to the central axes of the two wire cores. Therefore, the two ground wires are symmetrically arranged outside the metal shielding layer, so that the processing can be conveniently carried out, and the high-frequency performance of the wires can be improved.
It should be noted that the outer wrapping tape is spirally wound around the metal shielding layer and the two ground wires in a wrapping manner. Therefore, the outer-layer 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 (≧ 25GHz) can be guaranteed.
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 present invention further provides a high-frequency transmission wire 20, including the high-frequency transmission parallel line pair 10 described above, the high-frequency transmission wire 20 further includes an insulating wrapping tape 500, the high-frequency transmission parallel line pair 10 is provided with two, outer sidewalls of the two high-frequency transmission parallel line pairs 10 are closely attached together, the insulating wrapping tape 500 wraps the two high-frequency transmission parallel line pairs 10, and the insulating wrapping tape 500 is spirally wound outside the two high-frequency transmission parallel line pairs 10. It should be noted that the insulating wrapping tape 500 is used for wrapping two high-frequency transmission parallel line pairs, and makes the structure of the high-frequency transmission wire more stable, makes the structure of the high-frequency transmission wire symmetrical, facilitates processing, and improves the structural stability and reliability of the wire.
Referring to fig. 2, the high-frequency transmission wire 20 further includes a shielding braid 600, the shielding braid 600 is wrapped outside the insulating tape 500, and an inner sidewall of the shielding braid 600 is tightly attached to an outer sidewall of the insulating tape 500. So, through setting up shielding weaving layer 600, can further strengthen structural stability, can also protect the parallel line pair simultaneously, play the guard action.
Referring to fig. 2, the high-frequency transmission wire 20 further includes an outer sheath 700, the outer sheath 700 is sleeved outside the shielding braid 600, and an inner sidewall of the outer sheath 700 is closely attached to an outer sidewall of the shielding braid 600. So, through setting up oversheath 700 for the protection shielding braid, and then protect whole high frequency transmission wire rod 20.
In another embodiment, when a plurality of high-frequency transmission parallel line pairs 10 are used in the wire harness to realize transmission of different high-frequency data, so as to satisfy different interfaces and actual requirements, in an embodiment, please refer to fig. 3, the present invention further provides a high-frequency transmission wire harness 30 including a high-frequency transmission wire 20, a parallel line set 800, a taping set 900 and a protection cover 1000, wherein the parallel line set 800 is used for wrapping the high-frequency transmission wire to realize transmission of high-frequency data; the belt sleeve 900 is wrapped outside each transmission line and used for winding the whole wire harness so as to improve the structural stability; the protective sheath 1000 is used to protect the entire wire harness.
Referring to fig. 3, the parallel line set 800 includes a plurality of transmission line pairs 810, and each transmission line pair 810 is wound outside the high frequency transmission line. It should be noted that the transmission line pair 810 is a line pair having the same structure as the high-frequency transmission parallel line pair, and each of the transmission line pairs 810 is used for transmitting high-frequency data. In this embodiment, the number of the transmission line pairs is 6, that is, the high-frequency transmission line is wound with six transmission line pairs, that is, the high-frequency transmission line is wound with six high-frequency transmission parallel line pairs, so as to realize a high-speed transmission line bundle of 8 parallel line pairs.
Referring to fig. 3, the strapping package 900 includes a first strapping 910 and a second strapping 920, the first strapping is spirally wound outside each transmission line, and the second strapping is wrapped outside the first strapping. So, through setting up two-layer band to the winding is external at each transmission line, thereby can improve the structural stability of pencil.
Referring to fig. 3, the protective sheath 1000 includes an outer protective shielding layer 1100 and an insulating sheath 1200, the outer protective shielding layer 1100 is covered on an outer sidewall of the tape pack 900, and the insulating sheath is sleeved on the outer protective shielding layer. It should be noted that the outer shield layer 1100 is used for shielding and can also strengthen the whole structure.
Referring to fig. 3, the high-frequency transmission wire 20 further includes a filling layer 21, and the filling layer 21 is embedded between the outer sidewalls of the two high-frequency transmission parallel wire pairs and the inner sidewalls of the insulating tape. So, through setting up the filling layer for when the wire rod was extruded, inside sinle silk structure warp can not appear, has further strengthened the structural stability of pencil.
The utility model relates to a high-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission pencil, through set up the foaming insulating layer and coat the inner sheath outside the insulating cover outside the center conductor, compare the pure solid construction among the prior art, the size is littleer, the high-frequency performance is better; 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).
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 transmission parallel line pair, comprising:
the cable comprises a parallel cable core pair, a cable core and a cable core, wherein the parallel cable core pair comprises two cable cores, the two cable cores are arranged in parallel, in one cable core, the cable core comprises a central conductor and an insulating sleeve body, an accommodating cavity is arranged in the insulating sleeve body, the central conductor is accommodated in the accommodating cavity of the cable core, and the outer wall of the central conductor is tightly attached to the inner side wall of the accommodating cavity;
the inner layer protective sleeve piece comprises an inner protective layer and a metal shielding layer, the inner protective layer is coated outside the two wire cores, the inner side wall of the inner protective layer is attached to the outer side wall of the insulating sleeve body, and the metal shielding layer is longitudinally coated outside the inner protective layer;
the ground wire pair comprises two ground wires, the two ground wires are respectively arranged outside the metal shielding layer, and the two ground wires are tightly connected with the outer side wall of the metal shielding layer; and
and the outer-layer belting is wrapped outside the metal shielding layer and the two ground wires.
2. The pair of high-frequency transmission parallel lines according to claim 1, wherein the insulating sheath is a foamed insulating layer, and the foamed insulating layer covers the center conductor.
3. The high-frequency transmission parallel line pair according to claim 1, wherein the central axes of the two ground lines are arranged in parallel with the central axes of the two wire cores.
4. The high-frequency transmission parallel line pair according to claim 1, wherein the outer tape is spirally wound around the metal shielding layer and the two ground lines in a wrapping manner.
5. A high-frequency transmission wire rod, characterized by comprising the high-frequency transmission parallel line pair as claimed in any one of claims 1 to 4, and further comprising an insulating wrapping tape, wherein two high-frequency transmission parallel line pairs are arranged, outer side walls of the two high-frequency transmission parallel line pairs are tightly attached together, and the insulating wrapping tape is wrapped on the two high-frequency transmission parallel lines.
6. The high-frequency transmission wire according to claim 5, further comprising a shielding braid, wherein the shielding braid is coated outside the insulating coating tape, and an inner side wall of the shielding braid is closely attached to an outer side wall of the insulating coating tape.
7. The high-frequency transmission wire according to claim 6, further comprising an outer sheath that is placed outside the shielding braid, and an inner side wall of the outer sheath is closely attached to an outer side wall of the shielding braid.
8. A high-frequency transmission wire harness comprising the high-frequency transmission wire according to claim 5, the high-frequency transmission wire harness further comprising:
the parallel line group comprises a plurality of transmission line pairs, and each transmission line pair is respectively wound outside the high-frequency transmission line;
the belt sleeve is coated outside each transmission line; and
the protection sleeve comprises an outer protection shielding layer and an insulating outer sleeve, the outer protection shielding layer is coated on the outer side wall of the belt sleeve, and the insulating outer sleeve is arranged on the outer protection shielding layer.
9. The high-frequency transmission harness as claimed in claim 8, wherein the cladding member comprises a first cladding and a second cladding, the first cladding being spirally wound around each of the transmission lines, the second cladding being wrapped around the first cladding.
10. The high-frequency transmission wire harness according to claim 8, wherein the high-frequency transmission wire further comprises a filler layer interposed between outer side walls of the two high-frequency transmission parallel wire pairs and inner side walls of the insulating tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990012.1U CN210052576U (en) | 2019-06-27 | 2019-06-27 | High-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission wire harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990012.1U CN210052576U (en) | 2019-06-27 | 2019-06-27 | High-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission wire harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210052576U true CN210052576U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990012.1U Active CN210052576U (en) | 2019-06-27 | 2019-06-27 | High-frequency transmission parallel line pair, high-frequency transmission wire rod and high-frequency transmission wire harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210052576U (en) |
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2019
- 2019-06-27 CN CN201920990012.1U patent/CN210052576U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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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| TR01 | Transfer of patent right | ||
| 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. 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. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. |
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| CP03 | Change of name, title or address |