CN112024525B - Automatic online cleaning system and cleaning process thereof - Google Patents
Automatic online cleaning system and cleaning process thereof Download PDFInfo
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- CN112024525B CN112024525B CN202010847215.2A CN202010847215A CN112024525B CN 112024525 B CN112024525 B CN 112024525B CN 202010847215 A CN202010847215 A CN 202010847215A CN 112024525 B CN112024525 B CN 112024525B
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- screening mechanism
- feeding
- cleaning
- roller
- cavity
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- 238000004140 cleaning Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000008569 process Effects 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 129
- 238000012216 screening Methods 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007908 dry granulation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Crushing And Grinding (AREA)
Abstract
According to the automatic online cleaning system and the cleaning process thereof, materials of a feeding cylinder (2), a feeding mechanism (3), a roller mechanism (4), a crushing mechanism (5), a screening mechanism (6) and a fine screening mechanism (7) are emptied, cleaning liquid of a water storage barrel (8.1) is pumped into the feeding cylinder (2), the feeding mechanism (3), the fine screening mechanism (7) and a cavity provided with the roller mechanism (4), the crushing mechanism (5) and the screening mechanism (6) through pipelines respectively, water level in the cavity and the water level in the screening mechanism (6) are controlled through a water level sensor (8.3), then an ultrasonic generator (8.4) is started, and the feeding mechanism (3), the roller mechanism (4), the crushing mechanism (5), the screening mechanism (6) and the fine screening mechanism (7) are started to be in working states to clean all working surfaces, and are discharged through the fine screening mechanism (7) after cleaning; based on the mode, each part inside can be conveniently cleaned by ultrasonic waves at any time.
Description
Technical Field
The invention relates to an automatic on-line cleaning system and a cleaning process thereof, which can be applied to the fields of pharmacy, food, chemical industry and the like for dry powder granulation.
Background
At present, the first choice equipment for dry powder granulation in the industries of pharmacy, food, chemical industry and the like is a dry granulator, and the dry granulator is novel equipment for directly granulating powder by using crystal water in materials. The granulation process flow of the conventional granulator is as follows: the dried various dry powder materials are added from a feeding cylinder at the top of the granulator, precompressed by a screw feeding mechanism, enter a roller mechanism, are rolled into a sheet structure under the extrusion of double rollers in the roller mechanism, and then the sheet structure is crushed and formed by a crushing mechanism, and then the required granular product is obtained by a screening mechanism. In practical use, the following disadvantages are found to exist: the self-cleaning mechanism is lacking, each mechanism in the interior cannot be cleaned regularly, manual cleaning can only be performed after the granulator is disassembled during maintenance, time and labor are wasted, the efficiency is low, and the interior of the machine cannot be cleaned in time to obtain a better production environment. Accordingly, there is a need in the industry for an automatic online cleaning system that addresses the above-described issues.
Disclosure of Invention
The invention aims to overcome the defects and provide an automatic online cleaning system which can conveniently clean all parts in the interior at any time by an online cleaning structure.
The purpose of the invention is realized in the following way:
the online cleaning system comprises a water storage barrel arranged in a shell, a cleaning water pipe led out from the water storage barrel is respectively communicated into a feeding barrel, a feeding mechanism, a fine screening mechanism and a cavity provided with a roller mechanism, a crushing mechanism and a screening mechanism through a water pump, the roller mechanism, the crushing mechanism and the screening mechanism are sequentially arranged in the cavity from top to bottom, an ultrasonic generator is arranged on the inner wall of the lower part of the cavity, and a water level sensor is inserted into the upper part of the cavity and the middle part of an outer barrel of the fine screening mechanism; the bottom of the cavity is connected to a discharging pipe at the opening end of the inner roller of the fine screening mechanism in series with a control valve.
An automatic online cleaning process comprises the following steps:
and (3) cleaning:
the method comprises the steps of emptying materials of a feeding barrel, a feeding mechanism, a roller mechanism, a crushing mechanism, a screening mechanism and a fine screening mechanism, pumping cleaning liquid of a water storage barrel into the feeding barrel, the feeding mechanism, the fine screening mechanism and a cavity provided with the roller mechanism, the crushing mechanism and the screening mechanism through pipelines, controlling water level in the cavity and water level in the screening mechanism through water level sensors, then starting an ultrasonic generator, and starting the feeding mechanism, the roller mechanism, the crushing mechanism, the screening mechanism and the fine screening mechanism to be in a working state to clean all working surfaces, and discharging through the fine screening mechanism after cleaning.
Compared with the prior art, the invention has the beneficial effects that:
compared with the conventional cleaning mode after disassembly, the cleaning method is more rapid and safer, saves a great amount of manpower cost expenditure, effectively improves the replacement speed of the production line, and effectively improves the market competitiveness of enterprises.
Drawings
Fig. 1-2 are schematic structural diagrams of a dry granulator supported by an automatic online cleaning system according to the present invention.
Fig. 3 to 5 are schematic structural views (with back plates removed) of a dry granulator supported by an automatic online cleaning system according to the present invention.
Fig. 6 to 7 are schematic internal views of a dry granulator supported by an automatic online cleaning system according to the present invention.
Fig. 8 is a schematic view showing a partial structure of a fine screen mechanism of a dry granulator supported by an automatic on-line cleaning system according to the present invention.
Fig. 9 to 15 are schematic structural diagrams of a roller mechanism of a dry granulator supported by an automatic online cleaning system according to the present invention.
Fig. 16 to 21 are schematic structural views of a fine screening mechanism of a dry granulator supported by an automatic online cleaning system according to the present invention.
Wherein:
the device comprises a shell 1, a feeding cylinder 2, a feeding mechanism 3, a roller mechanism 4, a crushing mechanism 5, a screening mechanism 6, a fine screening mechanism 7, an online cleaning system 8 and a control valve 9;
the device comprises a power roller assembly 4.1, a lower fixing frame 4.2, an upper lifting frame 4.3, a guide rod 4.4, a lifting motor 4.5, a lifting wedge-shaped sliding block 4.6, a guide groove 4.7, a limit groove 4.8, a limit block 4.9, a compression cylinder 4.10, a movable joint 4.11, a displacement sensor 4.12 and a photoelectric sensor 4.13;
4.1.1 parts of motor reducer assembly, 4.1.2 parts of transmission shaft, 4.1.3 parts of compression roller and 4.1.4 parts of rotary joint;
the powder collecting device comprises an outer cylinder body 7.1, an inner cylinder 7.2, a cylindrical screen 7.3, a rotating motor 7.4, a supporting frame 7.5, a vibrating shaft 7.6, an adjusting bolt 7.7, a vibrating spring 7.8, a vibrating disc 7.9, a vibrating generator 7.10, a sealing rubber plate 7.11 and a powder collecting barrel 7.12;
7.1.1 parts of a feed inlet, 7.1.2 parts of a discharge outlet, 7.1.3 parts of a supporting wheel and 7.1.4 parts of a powder outlet;
8.1 parts of water storage barrel, 8.2 parts of cleaning water pipe, 8.3 parts of water level sensor and 8.4 parts of ultrasonic generator.
Detailed Description
Referring to fig. 1-21, the automatic online cleaning system 8 comprises a water storage barrel 8.1 arranged in a machine shell 1, a cleaning water pipe 8.2 led out from the water storage barrel 8.1 is respectively communicated to a feeding barrel 2, a feeding mechanism 3, a fine screening mechanism 7 and a cavity provided with a roller mechanism 4, a crushing mechanism 5 and a screening mechanism 6, wherein the roller mechanism 4, the crushing mechanism 5 and the screening mechanism 6 are sequentially arranged in the cavity from top to bottom, an ultrasonic generator 8.4 is arranged on the inner wall of the lower part of the cavity, and a water level sensor 8.3 is inserted in the upper part of the cavity and the middle part of an outer barrel 7.1 of the fine screening mechanism 7 and used for controlling the water level of guided cleaning water;
preferably, a control valve 9 is connected in series on a discharging pipe of which the bottom of the cavity is communicated with the opening end of the inner roller 7.2 of the fine screening mechanism 7;
the dry granulator comprises a feeding barrel 2 arranged on a shell 1, wherein the bottom of the feeding barrel 2 is communicated with a feeding port of a feeding mechanism 3, a discharging port of the feeding mechanism 3 is communicated with a feeding end of a roller mechanism 4, a crushing mechanism 5 is arranged at the discharging end of the roller mechanism 4, and a screening mechanism 6 is arranged below the crushing mechanism 5;
further, the feeding mechanism 3 is a screw conveyor;
referring to fig. 9-15, the roller mechanism 4 includes two sets of power roller assemblies 4.1 arranged in parallel, and the two sets of power roller assemblies 4.1 are respectively mounted on the lower fixing frame 4.2 and the upper lifting frame 4.3; the upper lifting frame 4.3 is arranged on the guide rod 4.4 in a sliding manner through a linear bearing, the lower fixing frame 4.2 is fixedly provided with a lifting motor 4.5, the lifting motor 4.5 drives a horizontal screw rod to rotate, at least one lifting wedge-shaped sliding block 4.6 is rotatably arranged on the horizontal screw rod, the wedge-shaped surface of the lifting wedge-shaped sliding block 4.6 is in sliding contact fit with the upper surface of the lower fixing frame 4.2 or a bevel groove on the lower surface of the upper lifting frame 4.3, the top of the guide rod 4.4 is fixedly provided with a pressing oil cylinder 4.10, and the bottom of a piston rod vertically downward of the pressing oil cylinder 4.10 is provided with a movable joint 4.11 in contact with the top surface of the upper lifting frame 4.3, so that a pressing effect is achieved;
specifically, a guide groove 4.7 for sliding the lifting wedge-shaped sliding block 4.6 is formed in the upper surface of the lower fixing frame 4.2, an inclined surface groove is formed in the lower surface of the upper lifting frame 4.3, and the inclined surface of the inclined surface groove is in sliding contact with the wedge-shaped surface of the lifting wedge-shaped sliding block 4.6;
furthermore, two lifting wedge-shaped sliding blocks 4.6 are arranged in a mirror symmetry manner, and the positive and negative two sections of threads arranged on the horizontal screw rod are respectively screwed into screw holes on the two lifting wedge-shaped sliding blocks 4.6, so that the lifting movement is stable;
further, a displacement sensor 4.12 and a photoelectric sensor 4.13 are arranged between the lower fixing frame 4.2 and the upper lifting frame 4.3, and the displacement sensor 4.12 senses the distance between the lower fixing frame 4.2 and the upper lifting frame 4.3, so that the distance between the two pressing rolls 4.1.3 can be conveniently adjusted, the thickness of an extruded sheet can be adjusted, the photoelectric sensor 4.13 has a zeroing effect, and after the photoelectric sensor is used for many times, the photoelectric sensor can be zeroed before adjustment to eliminate accumulated errors, and the adjustment precision is improved;
further, the power roller assembly 4.1 comprises a motor speed reducer assembly 4.1.1, the motor speed reducer assembly 4.1.1 drives the press roller 4.1.3 through a transmission shaft 4.1.2, the transmission shaft 4.1.2 is respectively arranged on the lower fixing frame 4.2 or the upper lifting frame 4.3 through a bearing seat, and cooling water is led into the transmission shaft 4.1.2 from the end part of the transmission shaft 4.1.2 through a rotary joint 4.1.4;
referring to fig. 16-21, the fine screening mechanism 7 includes an outer cylinder 7.1, an inner cylinder 7.2 is inserted into the outer cylinder 7.1, an opening end of the inner cylinder 7.2 passes through a feed port 7.1.1 at the right end of the outer cylinder 7.1 and then is communicated with a discharge port of the screening mechanism 6, another blocking end of the inner cylinder 7.2 passes through the left end of the outer cylinder 7.1 and then is connected with a rotating motor 7.4 through a coupling, a part of the inner cylinder 7.2 located in the outer cylinder 7.1 is a cylindrical screen 7.3, a discharge port 7.1.2 is arranged at the bottom of the left end of the outer cylinder 7.1, a discharge port 7.1.2 is arranged above the discharge port 7.1.2 of the cylindrical screen 7.3, and a powder outlet 7.1.4 communicated to a powder collecting barrel 7.12 is arranged in the middle of the outer cylinder 7.1; the two ends of the outer wall of the top of the outer cylinder 7.1 are vertically provided with supporting frames 7.5, a vibrating shaft 7.6 is connected between the two supporting frames 7.5 in a penetrating way, a plurality of adjusting bolts 7.7 arranged on the supporting frames 7.5 are sleeved with vibrating springs 7.8, one ends of the vibrating springs 7.8 are sleeved on the adjusting bolts 7.7, the other ends of the vibrating springs are inserted into limiting holes on the outer wall of the end part of the vibrating shaft 7.6, the vibrating shaft 7.6 is sleeved with a vibrating disc 7.9, the vibrating disc 7.9 penetrates through the outer wall of the top of the outer cylinder 7.1 and is positioned above a cylindrical screen 7.3, and a vibrating generator 7.10 is arranged on the vibrating shaft 7.6;
further, a supporting wheel 7.1.3 is arranged on the outer wall of the end part of the outer cylinder 7.1, and the end part of the inner cylinder 7.2 penetrating out of the outer cylinder 7.1 is in rolling contact with the supporting wheel 7.1.3;
further, the sealing rubber plate 7.11 is embedded on the top cylinder wall of the cylinder 7.1, and a straight groove for inserting the vibrating disc 7.9 is formed in the sealing rubber plate 7.11, so that the sealing rubber plate 7.11 plays a role in blocking, dust is prevented from escaping outwards (and water can be effectively prevented from being sputtered to the outside during cleaning);
further, referring to fig. 8, the material collecting barrel 7.12 is communicated with the material feeding barrel 2 through a material conveying pump, so that the fine powder material is recycled;
based on the dry granulator, the dry granulation process comprises the following steps:
granulating:
the powder is input into a roller mechanism 4 through a feeding cylinder 2 and a feeding mechanism 3 to be rolled into a sheet structure, two compression rollers 4.1.3 of the roller mechanism 4 are driven by a power mechanism to form a double-power rolling mechanism, the sheet structure is crushed and primarily screened through a crushing mechanism 5 and a screening mechanism 6 and then enters a fine screening mechanism 7, after the material enters a rotary cylindrical screen 7.3, a vibrating disc 7.9 periodically knocks the cylindrical screen 7.3 to enable fine powder with the particle size smaller than the mesh diameter of the cylindrical screen 7.3 to leak out and then be discharged through a powder outlet 7.1.4, and qualified product materials with the particle size larger than the mesh diameter of the cylindrical screen 7.3 are normally discharged through a discharge hole 7.1.2;
preferably, the fine powder discharged through the powder outlet 7.1.4 enters the aggregate barrel 7.12 for collection, and when the fine powder is collected to a certain height in the aggregate barrel 7.12, the fine powder in the aggregate barrel 7.12 is pumped into the feeding barrel 2 for recycling;
and (3) cleaning:
the material of the feeding cylinder 2, the feeding mechanism 3, the roller mechanism 4, the crushing mechanism 5, the screening mechanism 6 and the fine screening mechanism 7 is emptied, cleaning liquid of the water storage barrel 8.1 is pumped into the feeding cylinder 2, the feeding mechanism 3, the fine screening mechanism 7 and cavities provided with the roller mechanism 4, the crushing mechanism 5 and the screening mechanism 6 through pipelines, the water level in the cavities and the screening mechanism 6 is controlled through the water level sensor 8.3, then the ultrasonic generator 8.4 is started, and the feeding mechanism 3, the roller mechanism 4, the crushing mechanism 5, the screening mechanism 6 and the fine screening mechanism 7 are all started to be in a working state to clean all working surfaces, and after the cleaning is finished, the cleaning liquid is discharged through the fine screening mechanism 7;
in addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.
Claims (1)
1. An automatic online cleaning process is characterized in that: the process is based on an automatic online cleaning system, the automatic online cleaning system comprises a water storage barrel (8.1) arranged in a machine shell (1), a cleaning water pipe (8.2) led out from the water storage barrel (8.1) is respectively communicated to a feeding barrel (2), a feeding mechanism (3), a fine screening mechanism (7) and a cavity provided with a roller mechanism (4), a crushing mechanism (5) and a screening mechanism (6) through a water pump, the roller mechanism (4), the crushing mechanism (5) and the screening mechanism (6) are sequentially arranged in the cavity from top to bottom, an ultrasonic generator (8.4) is arranged on the inner wall of the lower part of the cavity, and a water level sensor (8.3) is inserted in the upper part of the cavity and the middle part of an outer barrel (7.1) of the fine screening mechanism (7); a control valve (9) is connected in series on a discharging pipe which is communicated with the bottom of the cavity and is connected to the opening end of an inner roller (7.2) of the fine screening mechanism (7);
the fine screening mechanism (7) comprises an outer cylinder body (7.1), an inner cylinder (7.2) is inserted in the outer cylinder body (7.1), an opening end of the inner cylinder (7.2) passes through a feeding hole (7.1.1) at the right end of the outer cylinder body (7.1) and then is communicated with a discharging hole of the screening mechanism (6), the other blocking end of the inner cylinder (7.2) passes through the left end part of the outer cylinder body (7.1) and then is connected with a rotary motor (7.4), and a part of the inner cylinder (7.2) positioned in the outer cylinder body (7.1) is a cylindrical screen (7.3); the sealing rubber plate (7.11) is embedded on the top cylinder wall of the outer cylinder body (7.1), a straight groove for inserting the vibrating disc (7.9) is formed in the sealing rubber plate (7.11), and water is prevented from being sputtered to the outside during cleaning through the sealing rubber plate (7.11);
the automatic online cleaning process comprises the following steps:
the cleaning solution of the water storage barrel (8.1) is pumped into the cavities of the feeding barrel (2), the feeding mechanism (3), the fine screening mechanism (7) and the cavities provided with the roller mechanism (4), the crushing mechanism (5) and the screening mechanism (6) through pipelines respectively, the water level in the cavities and the water level in the screening mechanism (6) is controlled through the water level sensor (8.3), the ultrasonic generator (8.4) is started later, the feeding mechanism (3), the roller mechanism (4), the crushing mechanism (5), the screening mechanism (6) and the fine screening mechanism (7) are started to be in working states to clean all working surfaces, and after the cleaning is finished, the cleaning solution is discharged through the fine screening mechanism (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010847215.2A CN112024525B (en) | 2020-08-21 | 2020-08-21 | Automatic online cleaning system and cleaning process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010847215.2A CN112024525B (en) | 2020-08-21 | 2020-08-21 | Automatic online cleaning system and cleaning process thereof |
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| Publication Number | Publication Date |
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| CN112024525A CN112024525A (en) | 2020-12-04 |
| CN112024525B true CN112024525B (en) | 2023-12-05 |
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| CN202010847215.2A Active CN112024525B (en) | 2020-08-21 | 2020-08-21 | Automatic online cleaning system and cleaning process thereof |
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| US5336332A (en) * | 1991-06-26 | 1994-08-09 | Kabushiki Kaisha Powrex | Washing apparatus and method for fluidized bed pelletizing and drying machine |
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| CN207915808U (en) * | 2018-03-06 | 2018-09-28 | 广州市六星照明电器有限公司 | One kind being convenient for clean comminutor |
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| CN210082166U (en) * | 2019-05-27 | 2020-02-18 | 昆山运融新材料科技有限公司 | Twin-screw granulator convenient to feeding |
| CN210097623U (en) * | 2019-04-28 | 2020-02-21 | 温州科力塑业有限公司 | Granulator equipment |
| CN210820799U (en) * | 2019-08-21 | 2020-06-23 | 杭州临安磊力塑胶有限公司 | Self-cleaning type double-screw granulator |
| CN212397489U (en) * | 2020-08-21 | 2021-01-26 | 苏澄（上海）科技股份有限公司 | Automatic online cleaning system |
-
2020
- 2020-08-21 CN CN202010847215.2A patent/CN112024525B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5336332A (en) * | 1991-06-26 | 1994-08-09 | Kabushiki Kaisha Powrex | Washing apparatus and method for fluidized bed pelletizing and drying machine |
| JPH06285438A (en) * | 1993-03-10 | 1994-10-11 | Mitsubishi Kasei Corp | Cleaning apparatus for oil |
| CN201300051Y (en) * | 2008-10-24 | 2009-09-02 | 孔金龙 | Dry granulating machine with easy cleaning |
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| CN112024525A (en) | 2020-12-04 |
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Effective date of registration: 20240919 Address after: 214419 Industrial Concentration Zone B, Zhutang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Kuibao Group Co.,Ltd. Jiangsu Country or region after: China Address before: 200439 room b1106, 11 / F, building 1, 2816 Yixian Road, Baoshan District, Shanghai Patentee before: SUCHENG (SHANGHAI) TECHNOLOGY CO.,LTD. Country or region before: China |