CN109501148B - Hot runner heating device for injection molding of mold - Google Patents
Hot runner heating device for injection molding of mold Download PDFInfo
- Publication number
- CN109501148B CN109501148B CN201811520373.6A CN201811520373A CN109501148B CN 109501148 B CN109501148 B CN 109501148B CN 201811520373 A CN201811520373 A CN 201811520373A CN 109501148 B CN109501148 B CN 109501148B
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- Prior art keywords
- sleeve
- heating device
- hot runner
- sliding
- heating
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 107
- 238000001746 injection moulding Methods 0.000 title abstract description 4
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000002991 molded plastic Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 108091092889 HOTTIP Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
- B29C2045/2743—Electrical heating element constructions
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a hot runner heating device for mould injection, which comprises a hot runner pipe sleeve and a hot runner hot nozzle head, the hot runner pipe sleeve comprises a sleeve and a sliding heating device, the sliding heating device is arranged on the outer side surface of the sleeve, and the sliding heating device is connected with the sleeve in a sliding way, the sliding heating device comprises a connecting fixed frame, a sliding strip and a first heating device, the fixed frame is arranged on the outer side surface of the sleeve, the fixed frame is fixedly connected with the sleeve, the sliding strip is arranged on the outer side of the sleeve and is fixedly connected with the sleeve, the structure of the heating device for the injection molding heat-conducting flow passage of the existing mold is improved, the traditional fixed heating mode is changed, the electric quantity can be effectively saved and the uniform heating can be realized, the stable heating of the temperature of the hot nozzle of the hot runner is ensured, and various problems caused by cooling are prevented.
Description
Technical Field
The invention relates to the technical field of auxiliary structures of molds, in particular to a hot runner heating device for mold injection.
Background
Hot runner heaters generate heat by generating eddy currents in an alternating magnetic field using metal, and are generally used for heat treatment of metals and the like. The principle is that when thicker metal is in an alternating magnetic field, current can be generated due to electromagnetic induction, and after the thicker metal generates the current, the current can form a spiral flowing route in the metal, so that the heat generated by the current flowing is absorbed by the metal, the metal can be quickly heated, the device is energy-saving equipment for preheating fuel oil or secondarily heating fuel oil and constant-temperature heating of a plastic melting runner, is arranged in front of combustion equipment, realizes the heating of the fuel oil before combustion, reduces the viscosity of the fuel oil at high temperature, promotes full atomization and combustion and the like, and finally achieves the purpose of saving energy, and is widely applied to the occasions of preheating or secondarily heating the fuel oil such as heavy oil, asphalt and the like and rubber and plastic manufacturing industry, a heating element is an important component of a hot runner system, and the heating precision and the service life of the heating element have great influence on the control of an injection molding process and the working stability of the system, after the electric heating tube is contracted, the steel tube becomes hard and needs to be deformed better.
The inventor of this application discovers, and current hot runner heater adopts the mode of fixed heating mostly, accomplishes hardly to let the hot runner be heated everywhere evenly, and especially hot runner head in case the unevenness of being heated forms the wire drawing phenomenon in one end very easily, and traditional heater generally all distributes at whole hot runner moreover, extravagant electric power very much.
Disclosure of Invention
The invention aims to provide a hot runner heating device for mold injection, which aims to solve the problems of uneven heating and bracket use cost caused by excessive fixed heating positions and overall distribution of a traditional hot runner heater.
The invention is realized by the following steps:
a hot runner heating device for mould injection comprises a hot runner pipe sleeve and a hot runner hot nozzle head, wherein the hot runner pipe sleeve comprises a sleeve and a sliding heating device, the sliding heating device is arranged on the outer side surface of the sleeve and is in sliding connection with the sleeve, the sliding heating device comprises a connecting fixing frame, a sliding strip and a first heating device, the fixing frame is arranged on the outer side surface of the sleeve and is fixedly connected with the sleeve, the sliding strip is arranged on the outer side of the sleeve and is fixedly connected with the sleeve, the first heating device is arranged in the sleeve and is in sliding connection with the sleeve, the hot runner hot nozzle head is arranged at the head part of the hot runner pipe sleeve and is fixedly connected with the hot runner pipe sleeve, the hot runner hot nozzle head comprises a sleeve head and a rotating heating device, and the rotating heating device is arranged on the outer side surface of the sleeve head, and the rotary heating device is rotationally connected with the sleeve head.
Further, be provided with the spout on the sleeve pipe lateral surface, the spout is for running through the groove, and spout upper end and lower extreme all seal, and the nimble slip of the heating device that slides of being convenient for is used.
Furthermore, the fixing frame is arranged in a circular ring shape, the number of the fixing frames is two, one end of each fixing frame is symmetrically fixed at two ends of the sliding strip, and the other end of each fixing frame is connected with the sleeve in a sliding mode, so that the sliding heating device is convenient to position and is stable in the working process.
Furthermore, be provided with dovetail groove and electric actuator on the slide bar, the dovetail groove is seted up in the inside of slide bar, electric actuator fixed mounting is on the outside surface in dovetail groove, and the position was confirmed when the heating device that is convenient for slide slided.
Furthermore, first heating device includes trapezoidal slide and spiral heater, trapezoidal slide one end and spiral heater fixed connection, another section and sliding strip sliding connection, are convenient for control sliding heating device's slip use.
Furthermore, the rotary heating device comprises a heating pipe and a rotary sleeve, the heating pipe is embedded into the rotary sleeve, and the heating pipe is fixedly connected with the rotary sleeve, so that the rotary heating is facilitated to ensure that all parts of the heat flow passage opening are uniformly heated.
Furthermore, a heat conduction layer is arranged on the inner side of the rotating sleeve and is arranged between the rotating sleeve and the heating pipe, and the heat conduction layer is fixedly connected with the rotating sleeve, so that the heating device can be conveniently rotated to work smoothly.
Compared with the prior art, the invention has the beneficial effects that: the invention has the characteristics of reasonable design and simple operation, and provides the hot runner heating device for the mold injection.
(1) The invention effectively realizes the purpose of heating a large area by continuously reciprocating through less heaters by the structural design of the hot runner pipe sleeve, not only can ensure uniform heating, but also can realize the effect of saving use cost and ensure the practicability of the device.
(2) The invention effectively ensures the constant temperature at the internal liquid outlet and prevents the condensation of the hot sprue through the structural arrangement of the hot runner hot nozzle head, the hot runner hot nozzle head is arranged to ensure that the problems of subsequent work caused by uneven income or cooling when the internal liquid of the hot nozzle comes out, the liquid heated in the hot runner pipe sleeve can enter the sleeve head, then the heating device is rotated to ensure the uniform heating, the heating effect can be realized by the heat conduction layer through the temperature in the heating pipe, and the temperature of the internal liquid is ensured by continuous rotation.
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 perspective view of the device of the present invention;
FIG. 2 is a front view of the device of FIG. 1;
FIG. 3 is a schematic view of the hot runner shroud of FIG. 1;
FIG. 4 is a front view of the device of FIG. 3;
FIG. 5 is a schematic structural view of the bushing shown in FIG. 4;
fig. 6 is a schematic view of the hot runner nozzle tip shown in fig. 1.
In the figure: 1. a hot runner pipe sleeve; 11. a sleeve; 111. a chute; 12. a sliding heating device; 121. connecting the fixed frame; 122. a slide bar; 123. a first heating device; 124. a trapezoidal groove; 125. an electric device; 126. a trapezoidal sliding plate; 127. a spiral heater; 2. a hot runner hot tip; 21. sleeving heads; 22. rotating the heating device; 221. heating a tube; 222. rotating the sleeve; 223. a thermally conductive layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Referring to fig. 1, 2, 3, 4, 5 and 6, a hot runner heating device for mold injection, which is improved by the structure of the existing hot runner heating device for mold injection, changes the traditional fixed heating mode, can effectively realize the electric quantity saving and uniform heating, ensures the stable heating of the hot nozzle temperature of the hot runner, and prevents various problems caused by cooling, the hot runner heating device for mold injection comprises a hot runner pipe sleeve 1 and a hot nozzle head 2 of the hot runner, the structural design of the hot runner pipe sleeve 1 is that a small number of heaters continuously reciprocate to heat a large area, not only can ensure the uniform heating, but also can realize the effect of saving the use cost, and ensures the practicability of the device, the hot runner pipe sleeve 1 comprises a pipe sleeve 11 and a sliding heating device 12, and a chute 111 is arranged on the outer side surface of the pipe sleeve 11, the sliding groove 111 is a through groove, the upper end and the lower end of the sliding groove 111 are both closed, the sleeve 11 is structurally arranged to be used in cooperation with the heating device 12, the sliding groove 111 is arranged to facilitate the sliding of the heating device 12, the sliding heating device 12 is arranged on the outer side surface of the sleeve 11, the sliding heating device 12 is in sliding connection with the sleeve 11, the sliding heating device 12 slides with the sleeve 11 to achieve the uniform heating effect, the sliding heating device 12 comprises a connecting fixing frame 121, a sliding strip 122 and a first heating device 123, the fixing frame 121 is arranged on the outer side surface of the sleeve 11, the fixing frame 121 is fixedly connected with the sleeve 11, the fixing frame 121 is annular, the number of the fixing frames 121 is two, one end of each fixing frame is symmetrically fixed at two ends of the sliding strip 122, the other end of each fixing frame is in sliding connection with the sleeve 11, and the fixing frame 121 is, the sliding bar 122 is arranged on the outer side of the sleeve 11, the sliding bar 122 is fixedly connected with the sleeve 11, the sliding bar 122 is provided with a trapezoidal groove 124 and an electric device 125, the trapezoidal groove 124 is arranged in the sliding bar 122, the electric device 125 is fixedly arranged on the outer side surface of the trapezoidal groove 124, the sliding bar 122 is driven by the electric device 125 to realize the reciprocating motion of the first heating device 123, the effect of stabilizing the sliding route is achieved by the matching connection of the trapezoidal groove 124 and the sliding bar 122, the first heating device 123 is arranged in the sleeve 11, the first heating device 123 is in sliding connection with the sleeve 11, the first heating device 123 comprises a trapezoidal sliding plate 126 and a spiral heater 127, one end of the trapezoidal sliding plate 126 is fixedly connected with the spiral heater 127, the other section is in sliding connection with the sliding bar 122, the first heating device 123 is arranged to supply heat to a large area by using fewer heaters, the spiral heater 127 is arranged in the sleeve 11 to slide to achieve the purpose, the hot runner hot nozzle 2 is arranged at the head of the hot runner sleeve 1, the hot runner hot nozzle 2 is fixedly connected with the hot runner sleeve 1, the hot runner hot nozzle 2 is arranged to ensure that the liquid in the hot nozzle does not cause problems in subsequent work due to uneven income or cooling when the liquid comes out, the hot runner hot nozzle 2 comprises a sleeve head 21 and a rotary heating device 22, the liquid heated in the hot runner sleeve 1 enters the sleeve head 21 and is uniformly heated by rotating the heating device 22, the rotary heating device 22 is arranged on the outer side surface of the sleeve head 21, the rotary heating device 22 is rotatably connected with the sleeve head 21, the rotary heating device 22 comprises a heating pipe 221 and a rotary sleeve 222, heating pipe 221 is embedded in rotating sleeve 222, and heating pipe 221 and rotating sleeve 222 are fixedly connected, and heating pipe 221 and rotating sleeve 222 can rotate together when working, and rotating sleeve 222 is inboard to be provided with heat-conducting layer 223, and heat-conducting layer 223 sets up between rotating sleeve 222 and heating pipe 221, and heat-conducting layer 223 and rotating sleeve 222 fixed connection, and the inside temperature of heating pipe 221 can realize the effect of heating through heat-conducting layer 223, and the temperature of inside liquid is guaranteed to the incessant rotation. The device obtained by the above design can basically satisfy the use of the hot runner heating device for mold injection, but the designer has further improved the device in order to further improve the function thereof.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a mould is moulded plastics and is used hot runner heating device, includes hot runner pipe box (1) and hot runner hot nozzle head (2), its characterized in that: the hot runner pipe sleeve (1) comprises a sleeve (11) and a sliding heating device (12); the outer side surface of the sleeve (11) is provided with a sliding groove (111), the sliding groove (111) is a through groove, and the upper end and the lower end of the sliding groove (111) are both closed;
the sliding heating device (12) comprises a connecting fixing frame (121), a sliding strip (122) and a first heating device (123);
the connecting fixing frame (121) is arranged on the outer side surface of the sleeve (11), and the connecting fixing frame (121) is fixedly connected with the sleeve (11);
the sliding strip (122) is arranged on the outer side of the sleeve (11), and the sliding strip (122) is fixedly connected with the sleeve (11) through the connecting fixing frame (121); a trapezoidal groove (124) and an electric device (125) are formed in the sliding strip (122), the trapezoidal groove (124) is formed in the sliding strip (122), and the electric device (125) is fixedly installed on the outer side surface of the trapezoidal groove (124);
the first heating device (123) comprises a trapezoidal sliding plate (126) and a spiral heater (127); one end of the trapezoidal sliding plate (126) is fixedly connected with the spiral heater (127), and the other end of the trapezoidal sliding plate is slidably connected with the sliding bar (122), so that the trapezoidal sliding plate (126) can slide relative to the sliding bar (122); the trapezoidal sliding plate (126) penetrates through the sliding groove (111) and extends into the sleeve (11), and the spiral heater (127) is arranged inside the sleeve (11); the electric device (125) drives the spiral heater (127) to reciprocate in the sleeve (11) by driving the trapezoidal sliding plate (126) to slide in the trapezoidal groove (124) in a reciprocating manner;
the hot runner hot nozzle head (2) is arranged at the head of the hot runner pipe sleeve (1), the hot runner hot nozzle head (2) is fixedly connected with the hot runner pipe sleeve (1), the hot runner hot nozzle head (2) comprises a sleeve head (21) and a rotary heating device (22), the rotary heating device (22) is arranged on the outer side surface of the sleeve head (21), and the rotary heating device (22) is rotatably connected with the sleeve head (21).
2. The hot runner heating device for mold injection according to claim 1, wherein the number of the fixing frames (121) is two, one end of each fixing frame (121) is symmetrically fixed at two ends of the sliding bar (122), and the other end of each fixing frame is sleeved on the sleeve (11).
3. The hot runner heating device for mold injection according to any one of claims 1-2, wherein the rotary heating device (22) comprises a heating pipe (221) and a rotary sleeve (222), the heating pipe (221) is embedded in the rotary sleeve (222), and the heating pipe (221) is fixedly connected with the rotary sleeve (222).
4. The hot runner heating device for mold injection according to claim 3, wherein a heat conducting layer (223) is disposed inside the rotating sleeve (222), the heat conducting layer (223) is disposed between the rotating sleeve (222) and the heating pipe (221), and the heat conducting layer (223) is fixedly connected to the rotating sleeve (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520373.6A CN109501148B (en) | 2018-12-13 | 2018-12-13 | Hot runner heating device for injection molding of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520373.6A CN109501148B (en) | 2018-12-13 | 2018-12-13 | Hot runner heating device for injection molding of mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109501148A CN109501148A (en) | 2019-03-22 |
| CN109501148B true CN109501148B (en) | 2020-11-06 |
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ID=65752329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520373.6A Active CN109501148B (en) | 2018-12-13 | 2018-12-13 | Hot runner heating device for injection molding of mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN109501148B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686650B (en) * | 2020-06-16 | 2022-06-28 | 哈尔滨万鑫石墨谷科技有限公司 | Carbon nano tube preparation device and method |
| CN111923345B (en) * | 2020-07-09 | 2022-04-12 | 浙江思纳克热流道科技有限公司 | Special heater of hot runner that heat transfer rate is fast |
| CN113211746B (en) * | 2021-04-29 | 2023-03-10 | 台州美途模塑有限公司 | Injection mold for automobile door plate |
| CN117817973A (en) * | 2023-12-29 | 2024-04-05 | 羽田科技(苏州)股份有限公司 | Hot runner heating device for mold injection and heating method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2648076B1 (en) * | 1989-06-09 | 1991-11-15 | Boulet D Auria Terlizzi | PROFILED SHEATH WIRE, IN PARTICULAR FOR FORMING AN ELECTRO-WELDING INSERT |
| NL9000488A (en) * | 1990-03-01 | 1991-10-01 | Eurotool Bv | METHOD FOR MANUFACTURING AN INJECTION NOZZLE FOR USE IN AN INJECTION MOLDING DEVICE |
| US6530776B1 (en) * | 2001-10-09 | 2003-03-11 | Husky Injection Molding Systems, Ltd. | Method and apparatus of connection to an electrical film device |
| CN201148348Y (en) * | 2008-01-04 | 2008-11-12 | 四川大学 | Industry yellow phosphorus zone refining equipment |
| CN104023568B (en) * | 2011-10-25 | 2017-05-31 | 菲利普莫里斯生产公司 | Aerosol generating means with heater assembly |
| CN203391254U (en) * | 2013-07-31 | 2014-01-15 | 先锐模具配件(东莞)有限公司 | Hot nozzle heater of hot runner mould |
| CN204483029U (en) * | 2015-03-16 | 2015-07-22 | 河南中烟工业有限责任公司 | The electronic atomization device of adjustable tobacco product bringing-up section |
| CN106956408B (en) * | 2016-01-12 | 2020-03-10 | 柳道万和(苏州)热流道系统有限公司 | Sleeve heater |
| CN108000809A (en) * | 2016-11-02 | 2018-05-08 | 柳道万和(苏州)热流道系统有限公司 | Hot nozzle component and there is its Hot Runner System |
| CN207224459U (en) * | 2017-08-29 | 2018-04-13 | 苏州市嘉图精工科技有限公司 | A kind of injection molding machine nozzle |
| CN107737013A (en) * | 2017-11-27 | 2018-02-27 | 四川弘毅智慧知识产权运营有限公司 | A kind of coupler heater |
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2018
- 2018-12-13 CN CN201811520373.6A patent/CN109501148B/en active Active
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Effective date of registration: 20221216 Address after: 215400 Huangqiao village, Shuangfeng town, Taicang City, Suzhou City, Jiangsu Province Patentee after: YUTIAN ELECTRONIC TECHNOLOGY (TAICANG) Co.,Ltd. Address before: 224007 Room 308, R & D building, new energy automobile industrial park, No. 69, Donghuan South Road, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province Patentee before: YANCHENG YANHAI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Address after: No. 9 Huangqiao Road, Huangqiao Village, Shuangfeng Town, Taicang City, Suzhou City, Jiangsu Province, 215416 Patentee after: Haneda Technology (Suzhou) Co.,Ltd. Address before: 215400 Huangqiao village, Shuangfeng town, Taicang City, Suzhou City, Jiangsu Province Patentee before: YUTIAN ELECTRONIC TECHNOLOGY (TAICANG) Co.,Ltd. |
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