CN104002396B - The preparation method of reclaimed rubber rubber powder - Google Patents

The preparation method of reclaimed rubber rubber powder Download PDF

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Publication number
CN104002396B
CN104002396B CN201410219925.5A CN201410219925A CN104002396B CN 104002396 B CN104002396 B CN 104002396B CN 201410219925 A CN201410219925 A CN 201410219925A CN 104002396 B CN104002396 B CN 104002396B
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rubber
belt conveyor
steel wire
powder
grain
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CN104002396A (en
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王文
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Cangzhou Hexin Special Rubber Co., Ltd.
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CHONGQING JUYI RUBBER PRODUCT Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/52Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Abstract

The invention discloses a kind of preparation method of reclaimed rubber rubber powder, the equipment of described pulverizing magnetic separation comprises mixture belt conveyor, rubber grain discharge bucket, first full magnet drum, follower rollers, steel wire is separated belt conveyor, steel wire reclaims belt conveyor, steel wire discharge bucket, rubber grain belt conveyor, rubber discharge bucket, circulation belt conveyor, second full magnet drum, baffle plate, rubber coarse crushing pulverizer, first vibratory sieve, first belt conveyor, reclaim belt conveyor, rubber rubber powder pulverizer, second belt conveyor, second vibratory sieve, iron content rubber grain receiving hopper and iron end disposable box.The technique pulverizing magnetic separation is: crushed and screened through boulder crusher by block tire and obtain coarse granule, through first time, the magnetic separation of magnetic second time obtains pure crude rubber particle and the steel wire of recovery, and above-mentioned pure crude rubber particle obtains rubber rubber powder through screening again after pulverizer is pulverized.Effectively can be separated iron wire, can reduce again the wearing and tearing to equipment, service life of equipment is long.

Description

The preparation method of reclaimed rubber rubber powder
Technical field
The present invention relates to a kind of preparation method of reclaimed rubber rubber powder.
Background technology
At present, the preparation method of reclaimed rubber rubber powder comprises and junked tire is carried out the separation of mouth circle, slitting, stripping and slicing, then the tire after stripping and slicing is directly ground into 30-32 object fine powder, then this fine powder is obtained iron through magnetic separation cuts and rubber powder.Like this, because iron wire is directly ground into iron end, large to the wearing and tearing of equipment on the one hand, on the other hand, iron end is not easily removed completely when magnetic separation, causes iron end content in final product large, affects the quality of last reclaimed rubber.
Therefore those skilled in the art be devoted to exploitation one effectively can be separated iron wire, the preparation method of the wearing and tearing reclaimed rubber rubber powder to equipment can be reduced again.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide one effectively can be separated iron wire, can reduce again the preparation method of the reclaimed rubber rubber powder of the wearing and tearing to equipment.
For achieving the above object, the invention provides a kind of preparation method of reclaimed rubber rubber powder, comprise junked tire carried out the separation of mouth circle, step that then slitting, stripping and slicing pulverize magnetic separation, it is characterized in that:
The equipment pulverizing magnetic separation comprises rubber coarse crushing pulverizer and rubber rubber powder pulverizer, the first vibratory sieve and the second vibratory sieve is respectively equipped with in the below of rubber coarse crushing pulverizer and rubber rubber powder pulverizer, the thin rubber powder discharging opening of described first vibratory sieve is connected with compound belt conveyor by the first belt conveyor, the coarse granule discharge bucket material out of described first vibratory sieve gets back to coarse crusher for rubber by reclaiming belt conveyor, described compound belt conveyor is inclined upwardly gradually setting from head end to end, rubber grain discharge bucket is provided with at the end of compound belt conveyor, the first full magnet drum is provided with near compound belt conveyor end, follower rollers and the first full magnet drum in the same plane, steel wire is separated belt conveyor and is enclosed within the first full magnet drum and follower rollers simultaneously, the head end that steel wire reclaims belt conveyor is positioned at the below that steel wire is separated belt conveyor, and be provided with steel wire discharge bucket at the end of described steel wire recovery belt conveyor, the below that described steel wire reclaims belt conveyor is provided with rubber grain belt conveyor, and the end cylinder of described rubber grain belt conveyor is the second full magnet drum, and described rubber grain discharge bucket lower end extends to the top of the head end of rubber grain belt conveyor, described rubber grain belt conveyor end is provided with rubber discharge bucket, described rubber discharge bucket material is out transported to rubber rubber powder pulverizer by the second belt conveyor, the below of the end of described rubber grain belt conveyor is also provided with circulation belt conveyor, for reclaiming the head end of belt conveyor below the end of described circulation belt conveyor,
The thick rubber powder discharge bucket material out of described second vibratory sieve also gets back to rubber rubber powder pulverizer by the second belt conveyor, the case mouth of the screen box of described second vibratory sieve is provided with crossbeam, described crossbeam is equipped with iron powder disposable box, described iron powder disposable box is built with magnet;
The processing step of described pulverizing magnetic separation is:
(1), by block tire after above-mentioned rubber coarse crushing pulverizer is pulverized, 8-10 object coarse granule is obtained through the first bolting, described coarse granule is after the first belt conveyor, compound belt conveyor, being separated of steel wire and crude rubber particle is realized at the end of compound belt conveyor, steel wire is recovered after reclaiming belt conveyor by steel wire, and crude rubber particle enters rubber grain belt conveyor;
(2), above-mentioned crude rubber particle again carries out magnetic separation at the end of rubber grain belt conveyor and obtains pure crude rubber particle and a small amount of rubber grain containing iron wire, and pure crude rubber particle enters through the second belt conveyor and enters rubber rubber powder pulverizer and pulverize; A small amount of rubber grain containing iron wire is then pulverized again by entering rubber coarse crushing pulverizer after circulation belt conveyor, recovery belt conveyor;
(3), pulverize in rubber rubber powder pulverizer after rubber grain enter the second vibratory sieve and sieve, obtain 30-32 object rubber rubber powder, while screening, a small amount of iron end is collected by iron powder disposable box.
Adopt technique scheme, block tire is not directly ground into 30-32 order, but be first ground into 8-10 object coarse granule, steel wire can be avoided directly to be ground into iron end, the wearing and tearing of such one side to equipment are little, the still steel wire that we screen when magnetic separation on the other hand, the efficiency of magnetic separation is high.Moreover, we by coarse granule through twice magnetic separation, when second time magnetic separation, further by the particle removal containing iron in coarse granule, make to enter iron content in next step rubber grain pulverized to reduce further, after this process, in rubber, the clearance of iron is higher than 99.5%.Finally coarse granule is being ground into thinner powder, in this powder, the content at iron end is extremely low.
The screen box mouth of the second vibratory sieve is provided with the iron that magnet is housed cut disposable box and carry out third time magnetic separation to thin rubber powder.The iron end of minute quantity in rubber rubber powder can be removed so further, improve the quality of rubber rubber powder.
In technique scheme: described block tire is of a size of 40*40mm.
In technique scheme: the drive roll of described compound belt conveyor is positioned at end, the drive roll that described steel wire reclaims belt conveyor be positioned at steel wire be separated belt conveyor below and near the first full magnet drum, the drive roll of described compound belt conveyor is connected with the first full magnet drum by belt, and the drive roll that the described first full magnet drum reclaims belt conveyor by belt and steel wire is connected; The drive roll of described circulation belt conveyor is positioned at below the second full magnet drum, and by same driven by motor.Equipment investment can be saved like this.
Conveniently arrange, save occupation area of equipment.Described rubber grain belt conveyor is parallel with the circulation belt conveyor be positioned at below it.
In order to avoid spilling leakage from rubber grain discharge bucket material out.The front of described rubber grain discharge bucket is provided with baffle plate, and described baffle plate is positioned at the top of rubber grain belt conveyor.
In order to the iron end clearance rate in thin rubber powder is higher: the case mouth of the screen box of described second vibratory sieve is provided with two crossbeams, two crossbeams lay respectively at the position of close middle part and stem, iron powder disposable box is equipped with two crossbeams respectively, in each iron powder disposable box built with magnet.
The invention has the beneficial effects as follows: 1, block tire is not directly ground into 30-32 order by the present invention, but be first ground into 8-10 object coarse granule, steel wire can be avoided directly to be ground into iron end, the wearing and tearing of such one side to coarse crushing equipment are little, the still steel wire that we screen when magnetic separation on the other hand, the efficiency of magnetic separation is high, and the steel wire of more than 99% is removed by this time magnetic separation.
2, we by coarse granule through twice magnetic separation, when second time magnetic separation, further by the particle removal containing iron in coarse granule, make to enter iron content in next step rubber grain pulverized and reduce further, after this process, in rubber, the clearance of iron is higher than 99.5%.
3, finally coarse granule is being ground into thinner particle, this time in crushing process, little to the wearing and tearing of pulverizer, in the rubber powder after pulverizing, the content at iron end is extremely low, passes through the magnetic separation of third time during screening again, almost no longer containing iron end in product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
A preparation method for reclaimed rubber rubber powder, comprise junked tire carried out the separation of mouth circle, step that then slitting, stripping and slicing pulverize magnetic separation, mouth circle is separated, slitting and stripping and slicing are existing technique, and the rubber after stripping and slicing is of a size of about 40mm*40mm.
Pulverize magnetic separation equipment used by compound belt conveyor 1, rubber grain discharge bucket 2, first full magnet drum 3, follower rollers 4, steel wire is separated belt conveyor 5, steel wire reclaims belt conveyor 6, steel wire discharge bucket 7, rubber grain belt conveyor 8, rubber discharge bucket 9, circulation belt conveyor 10, second full magnet drum 11, baffle plate 12, rubber coarse crushing pulverizer 13, first, vibratory sieve 14, first belt conveyor 15, reclaim belt conveyor 16, rubber rubber powder pulverizer 17, second belt conveyor 18, second vibratory sieve 19, iron content rubber grain receiving hopper 20, crossbeam 21, parts such as iron powder disposable box 22 grade form.
The structure of rubber coarse crushing pulverizer 13 and rubber rubber powder pulverizer 17 is prior art, does not repeat at this to their a structure left side.The first vibratory sieve 14 and the second vibratory sieve 19 is respectively equipped with in the below of rubber coarse crushing pulverizer 13 and rubber rubber powder pulverizer 17, rubber coarse crushing pulverizer 13 and rubber rubber powder pulverizer 17 lay respectively at the top of the stem of the first vibratory sieve 14 and the second vibratory sieve 19, first vibratory sieve 14 is identical with the second vibratory sieve 19 structure, comprise screen box and be arranged on the screen cloth in the middle part of in screen box, screen box is divided into the thin rubber powder case of vibrating bin above and lower floor by screen cloth, this is prior art, does not repeat at this.Junked tire first becomes the bulk of 40*40mm through coarse crushing, the thin rubber powder discharging opening that this niggerhead enters the first vibratory sieve 14. first vibratory sieve 14 again after the particle that rubber coarse crushing pulverizer 13 is ground into about 8-10 order is connected with compound belt conveyor 1 by the first belt conveyor 15, and the coarse granule discharge bucket material out of the first vibratory sieve 14 gets back to coarse crusher for rubber 13 by reclaiming belt conveyor 16.
Second vibratory sieve 19 fine powder is out our qualified rubber powder, and particle diameter is 30-32 order.Get back to rubber rubber powder pulverizer 17 from the second vibratory sieve 19 coarse granule out by the second belt conveyor 18 to continue to pulverize.The case mouth of the screen box of the second vibratory sieve 19 is provided with the position that two crossbeams, 21, two crossbeams 21 lay respectively at close stem and middle part, two crossbeams 21 is equipped with iron powder disposable box 22 respectively, in each iron powder disposable box 22 built with magnet.
Compound belt conveyor 1 is inclined upwardly gradually setting from head end to end, rubber grain discharge bucket 2 is provided with at the end of compound belt conveyor 1, the drive roll of compound belt conveyor 1 is positioned at end, the first full magnet drum 3 is provided with near compound belt conveyor 1 end, follower rollers 4 and the first full magnet drum 3 in the same plane, steel wire is separated belt conveyor 5 and is enclosed within full magnet drum 3 and follower rollers 4 simultaneously, the head end that steel wire reclaims belt conveyor 6 is positioned at the below that steel wire is separated belt conveyor 5, and it is parallel that steel wire recovery belt conveyor 6 and steel wire are separated belt conveyor 5.And being provided with steel wire discharge bucket 7 at the end of steel wire recovery belt conveyor 6, steel wire out reclaims afterwards from steel wire discharge bucket 7.Steel wire reclaim the drive roll of belt conveyor 6 be positioned at steel wire be separated belt conveyor 5 below and near the first full magnet drum 3.The drive roll of compound belt conveyor 1 is connected with the first full magnet drum 3 by belt, and the drive roll that the first full magnet drum 3 reclaims belt conveyor 6 by belt and steel wire is connected.They three rotated by same driven by motor, save equipment investment.
The below that steel wire reclaims belt conveyor 6 is provided with rubber grain belt conveyor 8, and the end cylinder of rubber grain belt conveyor 8 is the second full magnet drum 11, and rubber grain discharge bucket 2 lower end extends to the top of the head end of rubber grain belt conveyor 8.The front of the discharging opening of rubber grain discharge bucket 2 is provided with baffle plate 12, and baffle plate 12 is positioned at the top of rubber grain belt conveyor 8.
Rubber grain belt conveyor 8 end is provided with rubber discharge bucket 9 and iron content rubber grain receiving hopper 20, and iron content rubber grain material receiving port 20 is positioned at towards inner side, and rubber discharge bucket 9 toward the outer side.Rubber discharge bucket 9 material is out transported to rubber rubber powder pulverizer 17 by the second belt conveyor 18, the below of the end of rubber grain belt conveyor 8 is also provided with circulation belt conveyor 10, and the discharging opening of iron content rubber grain material receiving port 20 is positioned at the top of circulation belt conveyor 10.Rubber grain belt conveyor 8 is parallel with the circulation belt conveyor 10 be positioned at below it, for reclaiming the head end of belt conveyor 16 below the end of circulation belt conveyor 10.The drive roll of circulation belt conveyor 10 is positioned at below the second full magnet drum 11, and by same driven by motor.
The processing step of concrete pulverizing magnetic separation is:
(1), by above-mentioned block tire after above-mentioned rubber coarse crushing pulverizer 13 is pulverized, obtain 8-10 object coarse granule through the first vibratory sieve 14 screening and be positioned at the thicker particle above the screen cloth of the first vibratory sieve 14.Thicker particle is got back to rubber coarse crushing pulverizer 13 by recovery belt conveyor 16 and is proceeded to pulverize.Coarse granule from the discharge bucket below the screen cloth of the first vibratory sieve 14 out afterwards after the first belt conveyor 15, compound belt conveyor 1, being separated of steel wire and crude rubber particle is realized at the end of compound belt conveyor 1, steel wire is siphoned away by the first full magnet drum 3, be recovered after reclaiming belt conveyor 6 by steel wire again, crude rubber particle arrives rubber grain belt conveyor 8 by rubber discharge bucket 9.
(2), above-mentioned crude rubber particle again carries out magnetic separation at the end of rubber grain belt conveyor 8 through the second full magnet drum 11 and obtains pure crude rubber particle and a small amount of rubber grain containing iron wire, pure crude rubber particle enters the afterbody of the second vibratory sieve 19, then enters rubber rubber powder pulverizer 17 by the second belt conveyor 18 and pulverizes; A small amount of rubber grain containing iron wire is then pulverized again by entering rubber coarse crushing pulverizer 13 after circulation belt conveyor 10, recovery belt conveyor 16;
(3) rubber grain after, pulverizing in rubber rubber powder pulverizer 17 enters the second vibratory sieve 19 and sieves, rubber rubber powder after screening below screen cloth out obtains 30-32 object rubber rubber powder from thin rubber powder discharge bucket, while screening, a small amount of iron end is collected by iron powder disposable box 22, material above screen cloth is by after the thick rubber powder discharge bucket of afterbody, arrive the second belt conveyor 18, then get back to rubber rubber powder pulverizer 17 and pulverize.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (6)

1. a preparation method for reclaimed rubber rubber powder, comprise junked tire carried out the separation of mouth circle, step that then slitting, stripping and slicing pulverize magnetic separation, it is characterized in that:
The equipment pulverizing magnetic separation comprises rubber coarse crushing pulverizer (13) and rubber rubber powder pulverizer (17), the first vibratory sieve (14) and the second vibratory sieve (19) is respectively equipped with in the below of rubber coarse crushing pulverizer (13) and rubber rubber powder pulverizer (17), the thin rubber powder discharging opening of described first vibratory sieve (14) is connected with compound belt conveyor (1) by the first belt conveyor (15), the coarse granule discharge bucket material out of described first vibratory sieve (14) gets back to coarse crusher for rubber (13) by reclaiming belt conveyor (16), described compound belt conveyor (1) is inclined upwardly gradually setting from head end to end, rubber grain discharge bucket (2) is provided with at the end of compound belt conveyor (1), the first full magnet drum (3) is provided with near compound belt conveyor (1) end, follower rollers (4) is in the same plane with the first full magnet drum (3), steel wire is separated belt conveyor (5) and is enclosed within the first full magnet drum (3) and follower rollers (4) simultaneously, the head end that steel wire reclaims belt conveyor (6) is positioned at the below that steel wire is separated belt conveyor (5), and be provided with steel wire discharge bucket (7) at the end of described steel wire recovery belt conveyor (6), the below that described steel wire reclaims belt conveyor (6) is provided with rubber grain belt conveyor (8), the end cylinder of described rubber grain belt conveyor (8) is the second full magnet drum (11), and described rubber grain discharge bucket (2) lower end extends to the top of the head end of rubber grain belt conveyor (8), described rubber grain belt conveyor (8) end is provided with rubber discharge bucket (9), described rubber discharge bucket (9) material is out transported to rubber rubber powder pulverizer (17) by the second belt conveyor (18), the below of the end of described rubber grain belt conveyor (8) is also provided with circulation belt conveyor (10), for reclaiming the head end of belt conveyor (16) below the end of described circulation belt conveyor (10),
The thick rubber powder discharge bucket material out of described second vibratory sieve (19) also gets back to rubber rubber powder pulverizer (17) by the second belt conveyor (18), the case mouth of the screen box of described second vibratory sieve (19) is provided with crossbeam (21), described crossbeam (21) is equipped with iron powder disposable box (22), described iron powder disposable box (22) is built with magnet;
The processing step of described pulverizing magnetic separation is:
(1), by block tire after above-mentioned rubber coarse crushing pulverizer (13) is pulverized, 8-10 object coarse granule is obtained through the first vibratory sieve (14) screening, described coarse granule is after the first belt conveyor (15), compound belt conveyor (1), being separated of steel wire and crude rubber particle is realized at the end of compound belt conveyor (1), steel wire is recovered after reclaiming belt conveyor (6) by steel wire, and crude rubber particle enters rubber grain belt conveyor (8);
(2), above-mentioned crude rubber particle again carries out magnetic separation at the end of rubber grain belt conveyor (8) and obtains pure crude rubber particle and a small amount of rubber grain containing iron wire, and pure crude rubber particle enters rubber rubber powder pulverizer (17) by the second belt conveyor (18) and pulverizes; A small amount of rubber grain containing iron wire is then pulverized again by entering rubber coarse crushing pulverizer (13) after circulation belt conveyor (10), recovery belt conveyor (16);
(3) rubber grain after, pulverizing in rubber rubber powder pulverizer (17) enters the second vibratory sieve (19) and sieves, obtain 30-32 object rubber rubber powder, while screening, a small amount of iron end is collected by iron powder disposable box (22).
2. the preparation method of reclaimed rubber rubber powder according to claim 1, is characterized in that: described block tire is of a size of 40*40mm.
3. the preparation method of reclaimed rubber rubber powder according to any one of claim 1-2, it is characterized in that: the drive roll of described compound belt conveyor (1) is positioned at end, the drive roll that described steel wire reclaims belt conveyor (6) be positioned at steel wire be separated belt conveyor (5) below and near the first full magnet drum (3), the drive roll of described compound belt conveyor (1) is connected with the first full magnet drum (3) by belt, and the drive roll that the described first full magnet drum (3) reclaims belt conveyor (6) by belt and steel wire is connected; The drive roll of described circulation belt conveyor (10) is positioned at the second full magnet drum (11) below, and by same driven by motor.
4. the preparation method of reclaimed rubber rubber powder according to claim 1 or 2, is characterized in that: described rubber grain belt conveyor (8) is parallel with the circulation belt conveyor (10) be positioned at below it.
5. the preparation method of reclaimed rubber rubber powder according to claim 1 or 2, it is characterized in that: the front of described rubber grain discharge bucket (2) is provided with baffle plate (12), and described baffle plate (12) is positioned at the top of rubber grain belt conveyor (8).
6. the preparation method of reclaimed rubber rubber powder according to claim 1, it is characterized in that: the case mouth of the screen box of described second vibratory sieve (19) is provided with two crossbeams (21), two crossbeams (21) lay respectively at the position of close middle part and stem, iron powder disposable box (22) is equipped with two crossbeams (21) respectively, each iron powder disposable box (22) built with magnet.
CN201410219925.5A 2014-05-23 2014-05-23 The preparation method of reclaimed rubber rubber powder Active CN104002396B (en)

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Publication number Priority date Publication date Assignee Title
CN106493878A (en) * 2016-12-02 2017-03-15 德昌金锋橡胶有限公司 The improvement device of steel wire and operational approach in a kind of tire glue powder for separation

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Effective date of registration: 20190924

Address after: 061753 He Guantun Industrial Zone, Lilongtang Township, Cangzhou City, Hebei Province

Patentee after: Cangzhou Hexin Special Rubber Co., Ltd.

Address before: Chongqing County, Bishan Town, seven Tong Village

Patentee before: Chongqing Juyi Rubber Product Co., Ltd.