CN220095387U - Special hot nozzle for power plug - Google Patents
Special hot nozzle for power plug Download PDFInfo
- Publication number
- CN220095387U CN220095387U CN202321358501.8U CN202321358501U CN220095387U CN 220095387 U CN220095387 U CN 220095387U CN 202321358501 U CN202321358501 U CN 202321358501U CN 220095387 U CN220095387 U CN 220095387U
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- Prior art keywords
- tip
- wall
- hot nozzle
- nozzle body
- hole
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 108091092889 HOTTIP Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a special hot nozzle for a power plug, which comprises a hot nozzle body, wherein a through hole is formed in the middle of the top of the hot nozzle body, a valve needle is arranged on the inner wall of the through hole, the bottom of the hot nozzle body is connected with the top of a nozzle tip through a connecting component in a mounting way, a body seat is arranged above the surface of the hot nozzle body, and auxiliary components are arranged on two sides of the body seat. The utility model comprises the following steps: through the inner wall screw thread block of the first annular piece in tip top cooperation first sealing washer and the first spread groove in mounting tube bottom, the inner wall screw thread block of the second annular piece in tip top cooperation second sealing washer and the second spread groove in mounting tube bottom will be chewed to will chew tip and the mounting tube installation of body bottom and be connected, the spacing ring on cooperation second sealing washer surface is convenient for be spacing protection to the junction, will chew two notch block in tip bottom and the connection structure block in the die joint, the diameter eight point six millimeters on tip bottom surface are chewed in the cooperation, be convenient for with it inject in the die joint of product plug, be convenient for reduce the cost and increase efficiency.
Description
Technical Field
The utility model belongs to the technical field of heat nozzles, and particularly relates to a special heat nozzle for a power plug.
Background
The hot runner processing technology is that plastics of a runner and a sprue are kept in a molten state by a heating method through an injection molding machine, a hot nozzle is needed in the processing process of an existing plug product, in order to avoid waste of raw materials after processing, the hot nozzle disclosed by the search application number CN201921136509.3 is recorded as comprising a hot nozzle body, a heater and a nozzle core, the nozzle core is connected to one end of the hot nozzle body, a supporting ring and a gasket sleeved on the hot nozzle body are sequentially arranged at the other end of the hot nozzle body from the end face in the direction of the nozzle core, an anti-rotation pin is connected to one end of the supporting ring facing the gasket, a nozzle core sleeve is sleeved on the periphery of the nozzle core, a flange is sleeved on the periphery of the nozzle core sleeve, a channel communicated with the nozzle core is penetrated in the hot nozzle body, a part of the nozzle core, the part of the nozzle core, which is away from one end of the hot nozzle body, of the nozzle core is provided with a part of the nozzle core, and the flange is sleeved on the part of the nozzle core, and the part of the nozzle core is provided with the flange sleeve when the flange is further provided with the flange sleeve, and the device is provided with the defects when the device is used: when processing partial products such as plug, unable to stretch into product die joint in the time of traditional hot mouth, and be inapplicable to the product of equidimension and mould plastics, current hot mouth is inconvenient for advance gluey, generally adopts three board moulds to advance gluey to cause the waste of raw materials, simultaneously hot mouth mould plastics in-process because of the installation improper makes it rock easily, thereby causes inner structure's damage, so need design a special hot mouth of power plug that the practicality is strong.
Disclosure of Invention
The utility model aims to provide a special hot nozzle for a power plug, and aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the special hot nozzle for the power plug comprises a hot nozzle body, wherein a through hole is formed in the middle of the top of the hot nozzle body, a valve needle is arranged on the inner wall of the through hole, the bottom of the hot nozzle body is connected with the top of a nozzle tip through a connecting component in a mounting way, a body seat is arranged above the surface of the hot nozzle body, and auxiliary components are arranged on two sides of the body seat;
the edge of the inner wall of the tip is provided with a first annular block, the side of the top of the tip is provided with a second annular block, the surface of the bottom of the tip is provided with two notches, the inner walls of the two notches are all connected with the connecting structure of the bottom of the parting plane in a clamping manner, and the diameter of the surface of the bottom of the tip is eight-point six-millimeter.
The connecting assembly comprises an installation pipe installed at the bottom of the hot nozzle body, a first connecting groove is formed in the bottom of the installation pipe, a second connecting groove is formed in the side of the bottom of the installation pipe, a first sealing ring is arranged at the top of the inner wall of the first connecting groove, the inner wall is in threaded engagement with the surface of the first annular block, a second sealing ring is arranged at the top of the inner wall of the second connecting groove, the inner wall is in threaded engagement with the surface of the second annular block, and a limiting ring is arranged on the surface of the second sealing ring.
In order to prevent the heat nozzle from shaking, as one preferable mode of the utility model, the auxiliary assembly comprises two mounting cylinders arranged on two sides of the body seat, cushion blocks are fixedly arranged on the inner walls of the two mounting cylinders, springs are fixedly arranged on the other sides of the cushion blocks, limiting columns are fixedly connected with the other ends of the springs, protrusions are arranged on the other sides of the limiting columns, two connecting blocks are fixedly arranged on the surfaces of the limiting columns, strip-shaped blocks are fixedly arranged on one sides of the two connecting blocks, and sliding blocks are arranged at the bottoms of the strip-shaped blocks.
In order to facilitate limiting of the sliding block and the bar-shaped block, as one preferable mode of the utility model, two sliding grooves are formed in the surface of the mounting cylinder, limiting rods are fixedly connected to the inner walls of the two sliding grooves, the surface of each limiting rod is in sliding connection with the bottom end of the sliding block, an arc-shaped groove is formed in the bottom of the bar-shaped block, and the inner wall of each arc-shaped groove is in sliding connection with the surface of the mounting cylinder.
In order to facilitate glue feeding and avoid liquid leakage, as one preferable mode of the utility model, two runner ports are arranged on two sides of the top of the hot nozzle body, the bottoms of the two runner ports extend to the inner wall of the through hole and are communicated with the through hole, an injection runner is arranged between the inner wall of the through hole and the valve needle, and a leakage-proof plug is sleeved on the surface of the valve needle.
In order to facilitate the heating of the liquid in the hot nozzle, as one preferable mode of the utility model, an auxiliary groove is formed in the surface of the hot nozzle body, a heating ring is arranged on the inner wall of the auxiliary groove, and a protective sleeve is arranged at the bottom of the body seat.
In order to facilitate limiting the movement of the valve needle, as one preferable mode of the utility model, a limiting sleeve is sleeved above the surface of the valve needle, and the surface of the limiting sleeve is in sliding connection with the through hole.
Compared with the prior art, the utility model has the beneficial effects that:
1) The surface of the first annular block at the tip top is matched with the first sealing ring to be in threaded engagement with the inner wall of the first connecting groove at the bottom of the mounting pipe, the surface of the second annular block at the tip top is matched with the second sealing ring to be in threaded engagement with the inner wall of the second connecting groove at the bottom of the mounting pipe, so that the tip is mounted and connected with the mounting pipe at the bottom of the hot tip body, the limiting ring matched with the surface of the second sealing ring is convenient for limiting and protecting the joint, two notches at the bottom end of the tip are matched with the connecting structure in the parting surface, and the eight-point six-millimeter diameter surface of the bottom end of the tip is matched, so that the tip is convenient to be inserted into the parting surface of the product plug, and the device is convenient for reducing cost and enhancing efficiency;
2) Through being equipped with installation section of thick bamboo internal fit cushion and spring elastic connection, spring and spacing post elastic connection, the arch with spacing post one end is fixed with external installation hole site chucking, and two connecting blocks of spacing post cooperation and arc groove drive two bar pieces at the surface movement of installation section of thick bamboo, two bar pieces drive the surface sliding of two gag levers of two sliders in two spouts on the installation section of thick bamboo to spacing is carried out in the removal to spacing post, and the spring in the installation section of thick bamboo is extruded to spacing post simultaneously, so that the body is more steady to the heat of installation is chewed, can effectively avoid the heat to chew the body and rock.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of the connection assembly and tip structure of the present utility model;
fig. 4 is a schematic structural diagram of an auxiliary assembly according to the present utility model.
In the figure: 1. a hot nozzle body; 11. a through hole; 12. a valve needle; 121. a limit sleeve; 13. tip of the nozzle; 131. a first annular block; 132. a second annular block; 133. a notch; 14. a body seat; 141. a protective sleeve; 15. a flow passage opening; 16. a leak-proof plug; 17. an auxiliary groove; 171. a heating ring; 2. a connection assembly; 21. installing a pipe; 22. a first connection groove; 23. a second connecting groove; 24. a first seal ring; 25. a second seal ring; 26. a limiting ring; 3. an auxiliary component; 31. a mounting cylinder; 32. a cushion block; 33. a spring; 34. a limit column; 35. a protrusion; 36. a connecting block; 37. a bar block; 38. a slide block; 39. a chute; 310. an arc-shaped groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions: the special hot nozzle for the power plug comprises a hot nozzle body 1, wherein a through hole 11 is formed in the middle of the top of the hot nozzle body 1, a valve needle 12 is arranged on the inner wall of the through hole 11, the bottom of the hot nozzle body 1 is connected with the top of a nozzle tip 13 through a connecting component 2 in a mounting way, a body seat 14 is arranged above the surface of the hot nozzle body 1, and auxiliary components 3 are arranged on two sides of the body seat 14;
the edge of the inner wall of the tip 13 is provided with a first annular block 131, the side of the top of the tip 13 is provided with a second annular block 132, the surface of the bottom end of the tip 13 is provided with two notches 133, the inner walls of the two notches 133 are all clamped and connected with a connecting structure at the bottom of the parting plane, and the diameter of the surface of the bottom end of the tip 13 is eight-point six-millimeter.
The connecting assembly 2 comprises a mounting tube 21 arranged at the bottom of the hot nozzle body 1, a first connecting groove 22 is formed in the bottom of the mounting tube 21, a second connecting groove 23 is formed in the side of the bottom of the mounting tube 21, a first sealing ring 24 is arranged at the top of the inner wall of the first connecting groove 22, the inner wall is in threaded engagement with the surface of the first annular block 131, a second sealing ring 25 is arranged at the top of the inner wall of the second connecting groove 23, the inner wall is in threaded engagement with the surface of the second annular block 132, and a limiting ring 26 is arranged on the surface of the second sealing ring 25.
When the hot nozzle is specifically used, the surface of the first annular block 131 at the top of the nozzle tip 13 is matched with the first sealing ring 24 to be in threaded engagement with the inner wall of the first connecting groove 22 at the bottom of the installation tube 21, the surface of the second annular block 132 at the top of the nozzle tip 13 is matched with the second sealing ring 25 to be in threaded engagement with the inner wall of the second connecting groove 23 at the bottom of the installation tube 21, so that the nozzle tip 13 is in installation connection with the installation tube 21 at the bottom of the hot nozzle body 1, the limiting ring 26 matched with the surface of the second sealing ring 25 is convenient for limiting and protecting the connection part, the two notches 133 at the bottom end of the nozzle tip 13 are clamped with the connecting structure in the parting surface, and the diameter eight points of the surface of the bottom end of the nozzle tip 13 are matched to be six millimeters, so that the hot nozzle tip is convenient to be inserted into the parting surface of a product plug, and the hot nozzle is convenient for reducing cost and enhancing efficiency.
In this embodiment, the auxiliary assembly 3 includes two mounting cylinders 31 mounted on two sides of the body seat 14, cushion blocks 32 are fixedly mounted on inner walls of the two mounting cylinders 31, springs 33 are fixedly mounted on the other sides of the cushion blocks 32, limiting columns 34 are fixedly connected to the other ends of the springs 33, protrusions 35 are arranged on the other sides of the limiting columns 34, two connecting blocks 36 are fixedly mounted on surfaces of the limiting columns 34, strip-shaped blocks 37 are fixedly mounted on one sides of the two connecting blocks 36, and sliding blocks 38 are arranged at bottoms of the strip-shaped blocks 37.
When the heat nozzle is specifically used, the cushion block 32 is matched with the spring 33 in the mounting cylinder 31, the spring 33 is elastically connected with the limiting column 34, the protrusion 35 at one end of the limiting column 34 is clamped and fixed with an external mounting hole, the limiting column 34 is matched with the two connecting blocks 36 and the arc groove 310 to drive the two strip-shaped blocks 37 to move on the surface of the mounting cylinder 31, the two strip-shaped blocks 37 drive the two sliding blocks 38 to slide on the surface of the two limiting rods in the two sliding grooves 39 on the mounting cylinder 31, so that the movement of the limiting column 34 is limited, and meanwhile, the limiting column 34 extrudes the spring 33 in the mounting cylinder 31, so that the mounted heat nozzle body 1 is more stable, and the heat nozzle body 1 can be effectively prevented from shaking.
In this embodiment, two sliding grooves 39 are provided on the surface of the mounting cylinder 31, the inner walls of the two sliding grooves 39 are fixedly connected with a limiting rod, the surface of the limiting rod is slidably connected with the bottom end of the sliding block 38, an arc-shaped groove 310 is provided at the bottom of the bar-shaped block 37, and the inner wall of the arc-shaped groove 310 is slidably connected with the surface of the mounting cylinder 31.
When the thermal nozzle is specifically used, the limiting column 34 is matched with the two connecting blocks 36 and the arc-shaped groove 310 to drive the two strip-shaped blocks 37 to move on the surface of the mounting cylinder 31, the two strip-shaped blocks 37 drive the two sliding blocks 38 to slide on the surfaces of the two limiting rods in the two sliding grooves 39 on the mounting cylinder 31, so that the movement of the limiting column 34 is limited, and meanwhile the limiting column 34 extrudes the spring 33 in the mounting cylinder 31, so that the thermal nozzle body 1 is more stable.
In this embodiment, two runner ports 15 are all opened on both sides at the top of the nozzle body 1, the bottoms of the two runner ports 15 all extend to and run through the inner wall of the through hole 11, an injection runner is arranged between the inner wall of the through hole 11 and the valve needle 12, and a leakage preventing plug 16 is sleeved on the surface of the valve needle 12.
When the valve needle is particularly used, the bottom ends of the two runner ports 15 are communicated with the inner wall of the through hole 11, so that glue is convenient to advance, and the leakage of liquid in the valve needle can be avoided by matching with the leakage-proof plug 16 on the surface of the valve needle 12.
In this embodiment, an auxiliary groove 17 is formed on the surface of the nozzle body 1, a heating ring 171 is disposed on the inner wall of the auxiliary groove 17, and a protective sleeve 141 is disposed at the bottom of the body seat 14.
When the heating nozzle is particularly used, the heating coil 171 is arranged in the auxiliary groove 17 on the surface of the heating nozzle body 1, and the protection sleeve 141 matched with the bottom of the body seat 14 prevents the heat generated by the heating coil 171 from damaging the external structure and operators.
In this embodiment, a stop collar 121 is sleeved above the surface of the valve needle 12, and the surface of the stop collar 121 is slidably connected with the through hole 11.
In specific use, the limiting sleeve 121 on the surface of the valve needle 12 is utilized to facilitate limiting the movement of the valve needle 12.
Working principle: when the heat pipe plug is used, the surface of the first annular block 131 at the top of the tip 13 is matched with the first sealing ring 24 to be in threaded engagement with the inner wall of the first connecting groove 22 at the bottom of the mounting pipe 21, the surface of the second annular block 132 at the top of the tip 13 is matched with the second sealing ring 25 to be in threaded engagement with the inner wall of the second connecting groove 23 at the bottom of the mounting pipe 21, so that the tip 13 is mounted and connected with the mounting pipe 21 at the bottom of the heat pipe plug body 1, the limiting ring 26 matched with the surface of the second sealing ring 25 is convenient for limiting protection of the joint, the two notches 133 at the bottom of the tip 13 are clamped with the connecting structure in the parting surface, the eight-point diameter of the bottom surface of the tip 13 is matched with the eight-point screw groove 22, so that the heat pipe plug is convenient for being inserted into the parting surface of a product plug, the heat pipe plug is convenient for reducing and enhancing, the inside the mounting cylinder 31 is matched with the cushion block 32 to be in elastic connection with the spring 33, the spring 33 is in elastic connection with the limiting column 34, the bulge 35 at one end of the limiting column 34 is fixed with the external mounting hole site, the limiting column 34 is matched with the two connecting blocks 36 and the arc groove 310 to drive the two strip-shaped blocks 37 to move on the surface of the mounting pipe 31, the two sliding blocks 37 on the surface of the mounting cylinder 31 to the connecting rod 31 to limit column 31 to limit the surface of the two sliding rod 31 can be more stable, and the two sliding rod rods 31 can be mounted in the heat pipe plug body 1 can be more stable, and the heat pipe plug body 1 can be mounted and can be prevented from the sliding rod 1.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The special hot nozzle for the power plug comprises a hot nozzle body (1), and is characterized in that: the middle part of the top of the hot nozzle body (1) is provided with a through hole (11), the inner wall of the through hole (11) is provided with a valve needle (12), the bottom of the hot nozzle body (1) is connected with the top of the nozzle tip (13) in an installation way through a connecting component (2), a body seat (14) is arranged above the surface of the hot nozzle body (1), and two sides of the body seat (14) are provided with auxiliary components (3);
the edge of the inner wall of the tip (13) is provided with a first annular block (131), the side of the top of the tip (13) is provided with a second annular block (132), the surface of the bottom end of the tip (13) is provided with two notches (133), the inner walls of the two notches (133) are all in clamping connection with a connecting structure at the bottom of the parting plane, and the diameter of the surface of the bottom end of the tip (13) is eight points and six millimeters;
the connecting assembly (2) comprises an installation pipe (21) installed at the bottom of the hot nozzle body (1), a first connecting groove (22) is formed in the bottom of the installation pipe (21), a second connecting groove (23) is formed in the side of the bottom of the installation pipe (21), a first sealing ring (24) is arranged at the top of the inner wall of the first connecting groove (22), the inner wall is in threaded engagement with the surface of the first annular block (131), a second sealing ring (25) is arranged at the top of the inner wall of the second connecting groove (23), the inner wall is in threaded engagement with the surface of the second annular block (132), and a limiting ring (26) is arranged on the surface of the second sealing ring (25).
2. A special power plug heat nozzle according to claim 1, wherein: the auxiliary assembly (3) comprises two mounting cylinders (31) which are mounted on two sides of the body seat (14), cushion blocks (32) are fixedly mounted on the inner walls of the mounting cylinders (31), springs (33) are fixedly mounted on the other sides of the cushion blocks (32), limit posts (34) are fixedly connected to the other ends of the springs (33), protrusions (35) are arranged on the other sides of the limit posts (34), two connecting blocks (36) are fixedly mounted on the surfaces of the limit posts (34), strip-shaped blocks (37) are fixedly mounted on one sides of the connecting blocks (36), and sliding blocks (38) are arranged at the bottoms of the strip-shaped blocks (37).
3. A special power plug heat nozzle according to claim 2, wherein: two sliding grooves (39) are formed in the surface of the mounting cylinder (31), limiting rods are fixedly connected to the inner walls of the two sliding grooves (39), the surface of each limiting rod is slidably connected with the bottom end of each sliding block (38), an arc-shaped groove (310) is formed in the bottom of each strip-shaped block (37), and the inner walls of the arc-shaped grooves (310) are slidably connected with the surface of the mounting cylinder (31).
4. A special power plug heat nozzle according to claim 1, wherein: two runner ports (15) are formed in two sides of the top of the hot nozzle body (1), the bottoms of the two runner ports (15) extend to the inner wall of the through hole (11) and are communicated with the through hole, an injection runner is arranged between the inner wall of the through hole (11) and the valve needle (12), and a leakage-proof plug (16) is sleeved on the surface of the valve needle (12).
5. A special power plug heat nozzle according to claim 1, wherein: an auxiliary groove (17) is formed in the surface of the hot nozzle body (1), a heating ring (171) is arranged on the inner wall of the auxiliary groove (17), and a protective sleeve (141) is arranged at the bottom of the body seat (14).
6. A special power plug heat nozzle according to claim 1, wherein: a limiting sleeve (121) is sleeved above the surface of the valve needle (12), and the surface of the limiting sleeve (121) is in sliding connection with the through hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321358501.8U CN220095387U (en) | 2023-05-31 | 2023-05-31 | Special hot nozzle for power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321358501.8U CN220095387U (en) | 2023-05-31 | 2023-05-31 | Special hot nozzle for power plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220095387U true CN220095387U (en) | 2023-11-28 |
Family
ID=88873680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321358501.8U Active CN220095387U (en) | 2023-05-31 | 2023-05-31 | Special hot nozzle for power plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220095387U (en) |
-
2023
- 2023-05-31 CN CN202321358501.8U patent/CN220095387U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240419 Address after: 337000 Industrial Park B, Lianhua County, Pingxiang City, Jiangxi Province Patentee after: Jiangxi Suoke Technology Co.,Ltd. Country or region after: China Address before: 523000 No. 1, floor 1, building a, Mawu jie'an industrial center, Qiaoli village, changhuang Road, Changping Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SOKE HOT RUNNER TECHNOLOGY CO.,LTD. Country or region before: China |