CN110732434A - lithium ion battery cathode material coating device - Google Patents
lithium ion battery cathode material coating device Download PDFInfo
- Publication number
- CN110732434A CN110732434A CN201911061701.5A CN201911061701A CN110732434A CN 110732434 A CN110732434 A CN 110732434A CN 201911061701 A CN201911061701 A CN 201911061701A CN 110732434 A CN110732434 A CN 110732434A
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- CN
- China
- Prior art keywords
- rotating disc
- feed hopper
- fixedly arranged
- lithium ion
- ion battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0426—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved along a closed path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/32—Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0285—Stands for supporting individual articles to be sprayed, e.g. doors, vehicle body parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses an lithium ion battery anode material coating device, and particularly relates to the technical field of lithium ion battery anode material coating, which comprises a box body, wherein a feed hopper is fixedly arranged inside the box body, a chassis is fixedly arranged inside the feed hopper, a fixed block is arranged at the top of the chassis, and a coating mechanism is arranged outside the chassis and comprises a motor, a stirring rod is fixedly arranged at the other end of the motor, a bevel gear is fixedly arranged outside the stirring rod in a fixed mode, and a second bevel gear is arranged at the bottom of the bevel gear.
Description
Technical Field
The invention relates to the technical field of coating of lithium ion battery anode materials, in particular to an lithium ion battery anode material coating device.
Background
The lithium ion battery is secondary batteries (rechargeable batteries) which mainly rely on lithium ions to move between a positive electrode and a negative electrode to work, and Li + is inserted and extracted back and forth between the two electrodes in the charging and discharging processes, wherein during charging, Li + is extracted from the positive electrode and inserted into the negative electrode through an electrolyte, the negative electrode is in a lithium-rich state, and the negative electrode is opposite to the negative electrode during discharging.
However, in practical use, when the lithium ion battery positive electrode is coated, the spray head is easy to reach the inner wall of the box body, and the box body is difficult to clean after operation, so that the lithium ion battery positive electrode material coating device is necessary.
Disclosure of Invention
In order to overcome the above defects in the prior art, an embodiment of the invention provides lithium ion battery anode material coating devices, a motor drives a stirring rod to mix and stir material powder and purified water in a feed hopper, then the motor drives a discharge pipe on a turntable to move annularly around a battery anode in a box body, then a mixed liquid sprayed to the outside of a battery by a spray head is blocked by an L-shaped baffle, the mixed liquid is prevented from being sprayed to the inner wall of the box body, and the box body is easy to clean after operation, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme that the lithium ion battery anode material coating device comprises a box body, wherein a feed hopper is fixedly arranged in the box body, a chassis is fixedly arranged in the feed hopper, a fixed block is arranged at the top of the chassis, the fixed block is fixedly connected with the inner wall of the feed hopper, and a coating mechanism is arranged outside the chassis;
the coating mechanism comprises a motor, the motor is arranged on the side of a feed hopper , the end of the motor is fixedly connected with the inner wall of a box body, a stirring rod is fixedly arranged at the other 0 end of the motor, the stirring rod is arranged on the side of the feed hopper and extends into the feed hopper, the stirring rod is arranged on the side of a fixed block and is movably connected with the fixed block through a sealing bearing, a th bevel gear is fixedly sleeved on the outer side of the stirring rod, a th bevel gear is arranged on the side of the feed hopper , a th bevel gear is arranged at the bottom of the bevel gear, a th bevel gear is meshed with a second bevel gear, the second bevel gear is arranged on the side of the feed hopper , a rotating shaft is fixedly arranged in the inner part of the rotating shaft, a fixed bearing is sleeved on the outer side of the rotating shaft, a support rod is arranged at the bottom of the motor, the support rod is fixedly connected with the inner wall of the box body, a th gear is fixedly arranged at the other 8 end of the rotating shaft, a second bevel gear is arranged at the side of the rotating shaft , a discharge pipe is fixedly arranged at the bottom of the rotating disc, a rotating disc is fixedly connected with a discharge pipe, a rotary disc is arranged at the top of the discharge pipe, a rotary disc 4642, a rotary disc is connected with a.
In preferred embodiments, a collecting box is arranged on the outer side of the L-shaped baffle, four threaded rods are arranged inside the collecting box, the four threaded rods penetrate through the collecting box and are attached to the L-shaped baffle, the other end of each threaded rod extends to the side of the collecting box , and the threaded rods are in threaded connection with the collecting box.
In preferred embodiments, a clamp is fixedly arranged at the bottom of the inner cavity of the box body.
In preferred embodiments, the top of the box body is fixedly provided with a feeding pipe, and the top of the feeding pipe is fixedly provided with a sealing cover which is in threaded connection with the feeding pipe.
In preferred embodiments, a sealing ring is arranged between the stirring rod and the feed hopper.
In preferred embodiments, the front side of the case is provided with a seal , the seal being hinged to the case.
In preferred embodiments, a switching valve is fixedly arranged on the tapping pipe.
The invention has the technical effects and advantages that:
1. the motor drives the stirring rod to mix and stir the material powder and the purified water in the feed hopper, then the motor drives the discharge pipe on the turntable to perform annular motion around the positive electrode of the battery in the box body, and then the mixed liquid sprayed to the outer side of the battery by the spray head is blocked by the L-shaped baffle plate;
2. on can spouting the discharging pipe through the mixed liquid of blowout from the shower nozzle, then mixed liquid on the discharging pipe can be influenced by self weight, drops to the collecting box in to this carries out recycle to mixed liquid, compares with prior art, has improved resource utilization.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an overall sectional view of the present invention.
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention.
Fig. 4 is a perspective view of the collection box of the present invention.
Fig. 5 is a perspective view of the chassis of the present invention.
The reference marks are 1 box body, 2 feed hopper, 3 chassis, 4 motor, 5 stirring rod, 6 th bevel gear, 7 second bevel gear, 8 rotating shaft, 9 fixed bearing, 10 support rod, 11 st gear, 12 th second gear, 13 rotating disc, 14 discharge pipe, 15 spray head, 16 collecting box, 17L-shaped baffle, 18 fixed block and 19 clamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
As shown in fig. 1, 2, 3 and 5, the invention provides lithium ion battery anode material coating devices, which comprise a box body 1, wherein a feed hopper 2 is fixedly arranged inside the box body 1, a chassis 3 is fixedly arranged inside the feed hopper 2, a fixed block 18 is arranged at the top of the chassis 3, the fixed block 18 is fixedly connected with the inner wall of the feed hopper 2, and a coating mechanism is arranged outside the chassis 3;
the coating mechanism comprises a motor 4, the motor 4 is arranged on the side of a feed hopper 2 , the end of the motor 4 is fixedly connected with the inner wall of a box body 1, another 0 end of the motor 4 is fixedly provided with a stirring rod 5, the stirring rod 5 is arranged on the side of the feed hopper 2 and extends into the feed hopper 2, the stirring rod 5 is arranged on the side of a fixed block 18 , the stirring rod 5 is movably connected with the fixed block 18 through a sealing bearing, the outer side of the stirring rod 5 is fixedly sleeved with a second 3 bevel gear 6, the second bevel gear 6 is arranged on the side of the feed hopper 2 , the bottom of the second 6 bevel gear 6 is provided with a second bevel gear 7, the second bevel gear 6 is meshed with a second bevel gear 7, the second bevel gear 7 is arranged on the side of the feed hopper 2 , a rotating shaft 8 is fixedly arranged inside the second bevel gear 7, a fixed bearing 9 is sleeved on the outer side of the rotating shaft 8, a discharge pipe 9-9 side is fixedly provided with a supporting rod 10, the supporting rod 10 is arranged on the bottom of the fixed support rod 4, the supporting rod 10 is fixedly connected with the inner wall of the rotating disc 1, the rotating disc 14, a rotating disc 14 is fixedly connected with a rotary disc 3511, a rotating disc 14 is provided with a rotating disc 14, a rotating disc 14 is provided with a rotating disc 14, a rotating.
And a clamp 19 is fixedly arranged at the bottom of the inner cavity of the box body 1, so that the battery can be conveniently fixed.
The fixed inlet pipe that is equipped with in 1 top of box, the fixed sealed lid that is equipped with in inlet pipe top, sealed lid and inlet pipe threaded connection, easy operation easily defeated the material.
Be equipped with the sealing washer between puddler 5 and the feeder hopper 2, improve the leakproofness.
The front side of the box body 1 is provided with a seal , and the seal is hinged with the box body 1 through a hinge so as to be convenient for overhauling parts in the box body 1.
And a switch valve is fixedly arranged on the discharge pipe 14, so that the operation is easy.
The method comprises the specific steps of facing the positive electrode of a battery upwards, fixing the battery to a clamp 19, injecting lithium ion positive material powder and purified water into a feed hopper 2 through a feed pipe simultaneously, covering a sealing cover, connecting a power supply, starting a motor 4, enabling a stirring rod 5 to mix and stir the material powder and the purified water in the feed hopper 2, after the stirring operation is completed, closing the motor 4, opening a switch valve, and then opening the motor 4 again, wherein a second bevel gear on the motor 4 is meshed with a second bevel gear 7, so that the second bevel gear drives the second bevel gear 7 to rotate, the second bevel gear 7 and a gear 11 are fixedly sleeved on a rotating shaft 8, the gear 11 is meshed with the second gear 12, the second gear 12 is fixedly connected with a rotary table 13, so that the rotary table 13 rotates, a discharge pipe 14 is fixedly arranged in the rotary table 13, the discharge pipe 14 is movably connected with a chassis 3 through a sealing bearing, so that the rotary table 13 drives the discharge pipe 14 to circularly move around the clamp 19, then the mixed liquid is sprayed out from a spray head 15 on the discharge pipe 14, so that the positive electrode is coated on the mixed liquid of the battery, and the mixed liquid is easily cleaned after the mixed liquid is sprayed out of the mixed liquid tank body 1 through the stirring rod 4 and the mixed liquid spraying tank body 2, and the mixed liquid is easily cleaned in the mixed liquid tank body 2, and the mixed liquid tank body easily cleaned.
As shown in FIGS. 2 and 4, the invention provides an lithium ion battery anode material cladding device, a collecting box 16 is arranged outside an L-shaped baffle 17, four threaded rods are arranged inside the collecting box 16, the ends of the four threaded rods penetrate through the collecting box 16 and are jointed with the L-shaped baffle 17, the other end of each threaded rod extends to the side of a collecting box 16 , and the threaded rods are in threaded connection with the collecting box 16.
The embodiment specifically comprises that the mixed liquid sprayed from the spray head 15 is sprayed onto the discharge pipe 14, then the mixed liquid on the discharge pipe 14 falls into the collection box 16 under the influence of the self weight, after the operation is finished, the seal is opened, then the threaded rod is unscrewed, the collection box 16 can fall off from the outer side of the L-shaped baffle 17, and then the collection box 16 is taken out, so that the mixed liquid is recycled, the resource utilization rate is improved, and the embodiment specifically solves the problem of serious resource waste in the prior art.
The working principle of the invention is as follows:
referring to the attached drawings 1, 2, 3 and 5 of the specification, a battery is fixed on a clamp 19, then lithium ion anode material powder and purified water are injected into a feed hopper 2, a motor 4 is started, a stirring rod 5 can mix and stir the material powder and the purified water in the feed hopper 2, after the stirring operation is completed, the motor 4 is closed, then the switch valve is opened, the motor 4 is opened again, a bevel gear 6 drives a second bevel gear 7 to rotate, a second gear 12 drives a rotary disc 13 to rotate, the rotary disc 13 drives a discharge pipe 14 to circularly move around the clamp 19, and then mixed liquid is sprayed out from a spray head 15 on the discharge pipe 14 to coat the anode of the battery;
referring to the description of the drawings 2 and 4, the mixed liquid sprayed from the spray head 15 is sprayed onto the discharge pipe 14, and then the mixed liquid on the discharge pipe 14 falls into the collection tank 16 due to its own weight, so that the mixed liquid is recycled.
First, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood as meaning either mechanically or electrically connected, or communication between two elements, or directly connected, and "up," "down," "left," and "right" are used only to indicate relative positional relationships, and when the absolute position of the object to be described changes, the relative positional relationships may change;
in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are referred to, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
- The device for coating the lithium ion battery anode material comprises a box body (1) and is characterized in that a feed hopper (2) is fixedly arranged inside the box body (1), a chassis (3) is fixedly arranged inside the feed hopper (2), a fixed block (18) is arranged at the top of the chassis (3), the fixed block (18) is fixedly connected with the inner wall of the feed hopper (2), and a coating mechanism is arranged on the outer side of the chassis (3);the coating mechanism comprises a motor (4), the motor (4) is arranged on the side of a feed hopper (2) , the end of the motor (4) is fixedly connected with the inner wall of a box body (1), another 0 end of the motor (4) is fixedly provided with a stirring rod (5), the stirring rod (5) is arranged on the side of the feed hopper (2) and extends into the interior of the feed hopper (2), the stirring rod (5) is arranged on the side of a fixed block (18) , the stirring rod (5) is movably connected with the fixed block (18) through a sealing bearing, a bevel gear (6) is fixedly arranged on the outer side of the stirring rod (5), a second bevel gear (59626) is arranged on the side of the feed hopper (2) , a rotating shaft (8) is fixedly arranged on the bottom of the rotating disc () 6), a second bevel gear 7 is engaged with the second bevel gear (7), the discharging pipe (6) is arranged on the side of the feed hopper (2) 638) and is fixedly arranged on the side of the rotating disc (3), a rotating disc (3) is fixedly connected with a rotating disc (3), a rotating disc (11) through a rotating disc (3), a rotating disc (9) is fixedly arranged on the inner wall of the rotating disc (3) side, a rotating disc (3) side of the rotating disc (3) side, a rotating disc (3) and a rotating disc (11) fixed rotating disc (11), a rotating disc (11) is fixedly arranged on the rotating disc (11), a rotating disc (11) and a rotating disc (11), a rotating disc (14) fixed rotating disc (11) and a rotating disc (11) is connected with a rotating disc (11) and a rotating disc (9), a rotating disc (11) fixed rotating disc (14) fixed rotating disc (9) and a rotating disc (14) fixed rotating disc (9) fixed rotating disc (10) fixed rotating disc (14), a.
- 2. The cladding device for the lithium ion battery anode material of claim 1, wherein a collection box (16) is arranged outside the L-shaped baffle (17), four threaded rods are arranged inside the collection box (16), the ends of the four threaded rods penetrate through the collection box (16) and are attached to the L-shaped baffle (17), the other end of each threaded rod extends to the side of the collection box (16), and the threaded rods are in threaded connection with the collection box (16).
- 3. The lithium ion battery anode material coating device of claim 1, wherein a clamp (19) is fixedly arranged at the bottom of the inner cavity of the box body (1).
- 4. The lithium ion battery anode material coating device of claim 1, wherein a feed pipe is fixedly arranged at the top of the box (1), a sealing cover is fixedly arranged at the top of the feed pipe, and the sealing cover is in threaded connection with the feed pipe.
- 5. The lithium ion battery cathode material coating device of claim 1, wherein a sealing ring is arranged between the stirring rod (5) and the feed hopper (2).
- 6. The lithium ion battery anode material wrapping device of claim 1, wherein a seal is arranged on the front side of the box body (1), and the seal is hinged with the box body (1) through a hinge.
- 7. The lithium ion battery positive electrode material coating device is characterized in that an on-off valve is fixedly arranged on the discharge pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061701.5A CN110732434A (en) | 2019-11-01 | 2019-11-01 | lithium ion battery cathode material coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061701.5A CN110732434A (en) | 2019-11-01 | 2019-11-01 | lithium ion battery cathode material coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110732434A true CN110732434A (en) | 2020-01-31 |
Family
ID=69272098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061701.5A Pending CN110732434A (en) | 2019-11-01 | 2019-11-01 | lithium ion battery cathode material coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713314A (en) * | 2020-12-18 | 2021-04-27 | 浙江金鹰瓦力新能源科技有限公司 | Lithium ion battery electrode material cladding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5807436A (en) * | 1995-12-28 | 1998-09-15 | Stachelhaus; Gustav A. | Rotary electrostatic dusting apparatus and method |
| EP1733800A2 (en) * | 2005-06-14 | 2006-12-20 | Cefla Soc. Coop. A R.L. | Rotating spray apparatus |
| CN205570624U (en) * | 2016-03-23 | 2016-09-14 | 叶侃 | Autogiration spraying mechanism for ceramic machining |
| CN205790178U (en) * | 2016-05-18 | 2016-12-07 | 江西盛创新能源科技有限公司 | A kind of coating unit preparing lithium ion battery material |
| CN108187948A (en) * | 2017-12-21 | 2018-06-22 | 崔建凯 | A kind of energy saving and environment friendly timber spray-painting plant |
| CN108339702A (en) * | 2018-02-28 | 2018-07-31 | 浙江欧导自动化设备有限公司 | A kind of motor housing spray-painting plant with drying function |
| CN108787290A (en) * | 2018-07-26 | 2018-11-13 | 安徽亦宣金属科技有限公司 | A kind of lipstick metal pipe paint spraying device |
| CN208679550U (en) * | 2018-07-18 | 2019-04-02 | 沭阳首创嘉净环保科技有限公司 | A kind of demoulding equipment release agent sprayer structure |
| CN208894479U (en) * | 2018-06-21 | 2019-05-24 | 中防工程科技有限公司 | Spray equipment is used in a kind of processing of the motor that spraying effect is good |
-
2019
- 2019-11-01 CN CN201911061701.5A patent/CN110732434A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5807436A (en) * | 1995-12-28 | 1998-09-15 | Stachelhaus; Gustav A. | Rotary electrostatic dusting apparatus and method |
| EP1733800A2 (en) * | 2005-06-14 | 2006-12-20 | Cefla Soc. Coop. A R.L. | Rotating spray apparatus |
| CN205570624U (en) * | 2016-03-23 | 2016-09-14 | 叶侃 | Autogiration spraying mechanism for ceramic machining |
| CN205790178U (en) * | 2016-05-18 | 2016-12-07 | 江西盛创新能源科技有限公司 | A kind of coating unit preparing lithium ion battery material |
| CN108187948A (en) * | 2017-12-21 | 2018-06-22 | 崔建凯 | A kind of energy saving and environment friendly timber spray-painting plant |
| CN108339702A (en) * | 2018-02-28 | 2018-07-31 | 浙江欧导自动化设备有限公司 | A kind of motor housing spray-painting plant with drying function |
| CN208894479U (en) * | 2018-06-21 | 2019-05-24 | 中防工程科技有限公司 | Spray equipment is used in a kind of processing of the motor that spraying effect is good |
| CN208679550U (en) * | 2018-07-18 | 2019-04-02 | 沭阳首创嘉净环保科技有限公司 | A kind of demoulding equipment release agent sprayer structure |
| CN108787290A (en) * | 2018-07-26 | 2018-11-13 | 安徽亦宣金属科技有限公司 | A kind of lipstick metal pipe paint spraying device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713314A (en) * | 2020-12-18 | 2021-04-27 | 浙江金鹰瓦力新能源科技有限公司 | Lithium ion battery electrode material cladding device |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201023 Address after: 535000 district four, real estate, Qinbei District, Qinzhou, the Guangxi Zhuang Autonomous Region. Applicant after: Guangxi esokai New Material Technology Co., Ltd Address before: 411200 Hehua Middle Road, Yisuhe, Xiangtan County, Xiangtan City, Hunan Province (Xiangtan Tianyi demonstration area) Applicant before: XIANGTAN ISKY TECHNOLOGY Co.,Ltd. |
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Application publication date: 20200131 |
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