CN103966696B - A kind of superfine fibre long filament and without dye chamois leather fabric - Google Patents
A kind of superfine fibre long filament and without dye chamois leather fabric Download PDFInfo
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- CN103966696B CN103966696B CN201410168453.5A CN201410168453A CN103966696B CN 103966696 B CN103966696 B CN 103966696B CN 201410168453 A CN201410168453 A CN 201410168453A CN 103966696 B CN103966696 B CN 103966696B
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- superfine fibre
- long filament
- dye
- chamois leather
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- 239000000835 fiber Substances 0.000 title claims abstract description 49
- 239000004744 fabric Substances 0.000 title claims abstract description 43
- 241001481789 Rupicapra Species 0.000 title claims abstract description 23
- 239000010985 leather Substances 0.000 title claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 11
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 17
- 206010061592 cardiac fibrillation Diseases 0.000 claims description 12
- 230000002600 fibrillogenic effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 3
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009940 knitting Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 150000005690 diesters Chemical class 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 238000004043 dyeing Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 17
- 238000010186 staining Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229920000344 molecularly imprinted polymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- AIDLAEPHWROGFI-UHFFFAOYSA-N 2-methylbenzene-1,3-dicarboxylic acid Chemical compound CC1=C(C(O)=O)C=CC=C1C(O)=O AIDLAEPHWROGFI-UHFFFAOYSA-N 0.000 description 1
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004044 disperse dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The present invention relates to a kind of superfine fibre long filament, single fiber 1F is made up of 20～30 coloured filament shape components A (individual filament fineness is about 0.2dtex) and component B surrounded and fill in component A periphery and space；Described component A weight/mass percentage composition is 75%～95%, component B weight/mass percentage composition is 5%～25%；Described component A degree of crystallinity is 60%～90%, and component B degree of crystallinity is 5%～40%；The beneficial effects are mainly as follows: use superfine fibre long filament of the present invention to manufacture without dye chamois leather fabric, it is not necessary to dyeing, dyeing waste will not be produced, environment will not cause dyeing pollute, and finished product chamois leather fabric quality greatly improves.
Description
(1) technical field
The present invention relates to a kind of superfine fibre long filament, and utilize this superfine fibre long filament to make without dye muntjac
The method of skin fabric.
(2) background technology
The life of the present people of chamois flannel face fabric is applied more and more extensive, be mainly used in clothing, sand
Send out, shoes and hats, case field.Suede nap mainly uses island superfine fiber manufacture, fabric by preshrunk,
The operations such as Alkali reduction, fibrillation, pre-setting, plucking sanding, dyeing produce chamois flannel face fabric.
General superfine fibre long filament skin sense pile fabric major part needs to carry out synthetic fiber spinning and Final finishing dye
Color is processed.Such as Chinese Patent No. 83109961, No. 76102732, No. 79108906,
No. 8110032, No. 200410000690.7, be by chemical fibre fibrillation and machinery fibrillation after,
The super long and slender dimension of fabric is dyeed.Owing to chamois flannel face fabric uses terylene sea-island fibre, washs
The fiber manufactures such as brocade superfine fibre, after fibrillation, the fiber number of fiber reaches about 0.2dtex.Fiber
Specific surface area reach tens times of conventional fibre, the therefore suction on the surface of fiber during disperse dyeing
Attached ability is greatly reinforced.Some dyestuffs are combined dyeing with fiber, and 1/4～1/3 is dye adsorption at fiber
Surface, fabric cleans when, often enter sewage, increase COD discharge, cause environment dirty
Dye.
(3) summary of the invention
It is an object of the present invention to provide a kind of colour superfine fiber filament without dyeing and knit without dye chamois leather
The manufacture method of thing, will not produce dyeing waste, environment will not cause dyeing pollute, make environment obtain
Arrive good protection.
The technical solution used in the present invention is:
A kind of superfine fibre long filament, single fiber 1F by 20～30 coloured filament shape components A and
The component B composition surrounded in component A periphery and space and fill；Described component A percent mass contains
Amount is 75%～95%, component B weight/mass percentage composition is 5%～25%；Described component A degree of crystallinity is
60%～90%, component B degree of crystallinity is 5%～40%；Described component A is the height mixed with color grain
Molecularly Imprinted Polymer A (requires to mix certain proportion carbon dust at component A according to color depth), described height
Molecularly Imprinted Polymer A is one of following: poly terephthalic acid second two fat, poly terephthalic acid the third two fat,
Poly terephthalic acid fourth two fat, polyolefin elastomer, polyurethane, polyurethane elastomer, polyvinyl alcohol,
Nylon 6, nylon66 fiber, nylon 11, nylon 12, preferably poly terephthalic acid second two fat；Described
Component B is monomer one and the polymer of monomer two, and described monomer one is one of following: adipic acid,
Azelaic Acid, p-phthalic acid, M-phthalic acid, hexamethylene-1,4 dihydroxy acid, 1,6 hexamethylene diamines, three
Methyl isophthalic acid, 6 hexamethylene diamines, 4,4 '-diaminourea-dicyclohexyl propane, isophorone diamine, caprolactam,
4,4 '-diphenylmethane diisocyanate fat；Described monomer two is one of following: formic acid, to alkyl benzene first
Acid, isophthalic first diacid, ethylene glycol, methanol, second diester, component B be preferably p-phthalic acid and
The polymer of second two fat.The volume of described carbon dust requires different according to color depth, typically constitutes from height
The percentage by weight of Molecularly Imprinted Polymer A is 0.1～15%.
Component A that described superfine fibre filament fiber single fiber cross section is coloured (can be circle or five
The shapes such as angle star ★, trilobal Y), white component B is the parcel binding material (ginseng of component A
See Fig. 1).After this fiber is made base fabric, by shrink process, fiber is rubbed with the hands through air-flow and water-bath stream
Rubbing shock, decrement fibrillation, dissolve and remove component B, the structure of fiber forms the fluffy of colored components A
Loose wire bundle, individual filament fineness dpf is about 0.2dtex, around this principle invents coloured super
Fine fibre, base fabric and making are coloured without dye chamois leather.
Concrete, described superfine fibre long filament by component A and component B at spinning temperature
150 DEG C～300 DEG C, make with composite spinning method under the conditions of draw off rate 3000～4000m/min.
The invention still further relates to a kind of method utilizing described superfine fibre long filament to make nothing dye chamois leather fabric,
Described method includes:
(1) grey cloth makes: making two-sided knitting garden machine cloth with described superfine fibre long filament, grammes per square metre is
120～200 grams/every square metre；
(2) make without dye chamois leather fabric: by the first 85 DEG C of preshrunks of step (1) grey cloth, then 95 DEG C of heat
After water processes 40min, fibrillation 40min at 80 DEG C, fibrillation agents useful for same is benzyl alcohol
2%～6% (to grey cloth weight ratio, lower same), butyl glycidyl ether 1%, NaOH
2%～4%, grey cloth and water weight ratio are 1:10～15；Again through pre-setting, plucking, mill
Hair, 135 DEG C of high-temperature shrinkage, 180 DEG C of sizings, obtain described without dye chamois leather article.
Tradition chamois leather fabric Making programme: grey cloth 8 DEG C of preshrunks 95 DEG C of Alkali reduction, fibrillation
170 DEG C of pre-setting plucking sandings, 180 DEG C of sizing inspections of 130 DEG C of dyeing
Testing finished product, dyestuff of not painting enters in waste water, and draining colourity is deep, produces the degree of depth and pollutes.This
Bright without dyeing, draining is colourless, effectively protects environment.
The chamois leather fabric prepared according to the inventive method, not through dyeing, superfine fibre filament surface
Will not absorbing dye, the phenomenon that fades will not be produced, dyefastness is greatly improved: from original 2.5 grades
Bring up to 3.0 grades and more than.Leading indicator is as follows: colorfastness to rubbing: dry grind 3.0 grades and above,
Wet grinding 3.0 grades and more than；Washing: water logging 3.0 grades and above, staining 3.0 grades and more than；
WASHING COLOR FASTNESS: water logging 3.0 grades and above, staining 3.0 grades and more than, improve and improve people
Clothing level and quality of life.
The beneficial effects are mainly as follows: use superfine fibre long filament of the present invention to manufacture without dye muntjac
Skin fabric, it is not necessary to dyeing, will not produce dyeing waste, environment will not cause dyeing pollute, and become
Product chamois leather fabric quality greatly improves.
(4) accompanying drawing explanation
Fig. 1 is embodiment of the present invention superfine fibre long filament schematic cross-section；
Fig. 2 is schematic cross-section after superfine fibre long filament of the present invention processing；
Wherein, A is high-crystallinity copolymer, and B is low crystallinity polymers.
(5) detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention
It is not limited to that:
Embodiment 1:
(1) making of superfine fibre long filament:
Component A is poly terephthalic acid second two fat, and weight/mass percentage composition is 80%, and degree of crystallinity is 85%；
Color grain is the component A (as follows) of the carbon dust of volume 15%；
Component B is p-phthalic acid and the polymer of second two fat, and weight/mass percentage composition is 20%, knot
Crystalline substance degree is 30%.
This fiber package is containing middle colored polymeric A and the polymerization B of encirclement polymer A.Such as Fig. 1 institute
State and show, B the fiber surrounded has 21 coloured A (fineness 0.2dtex), the present invention is described
Fiber in coloured island number be 21, in actual production, according to the fiber island number of the present invention
Can be between 20～30, shape can be circular, it is also possible to is pentalpha ★, trilobal Y
Etc. shape.
(2) grey cloth makes: making two-sided knitting garden machine cloth with described superfine fibre long filament, grammes per square metre is
150～180 grams/every square metre；
(3) make without dye chamois leather fabric: by the first 85 DEG C of preshrunks of step (2) grey cloth, then 95 DEG C of hot water
After processing 40min, fibrillation 40min at 80 DEG C, fibrillation agents useful for same is benzyl alcohol 5%
(accounting for grey cloth percentage by weight, lower same), butyl glycidyl ether 1%, NaOH3%, base
Cloth and water weight ratio are 1:10；Receive through pre-setting, plucking, sanding, 135 DEG C of high temperature again
Contracting, 180 DEG C of sizings, obtain described without dye chamois leather fabric.Prepare becomes without dye chamois leather fabric
Product leading indicator is as follows:
Colorfastness to rubbing: dry grind 3.5 grades, wet grinding 3.5 grades；Washing: water logging 3.5 grades,
Staining 3.5 grades；WASHING COLOR FASTNESS: water logging 3.5 grades, staining 3.5 grades.
Embodiment 2:
Component A and component B raw material are as follows:
Component A is poly terephthalic acid second two fat, and weight/mass percentage composition is 70%, and degree of crystallinity is 90%；
Color grain is the component A of the carbon dust of volume 10%；
Component B is p-phthalic acid and the polymer of second two fat, and weight/mass percentage composition is 30%, knot
Crystalline substance degree is 30%.
Preparation method is with embodiment 1.Prepare is as follows without dye chamois leather article leading indicator:
Colorfastness to rubbing: dry grind 3.5 grades, wet grinding 3.5 grades；Washing: water logging 3.5 grades,
Staining 3.5 grades；WASHING COLOR FASTNESS: water logging 3.5 grades, staining 3.5 grades.
Claims (1)
1. the method utilizing superfine fibre long filament making nothing dye chamois leather fabric, described superfine fibre long filament,
Single fiber 1F is by 20～30 coloured filament shape components A with at component A periphery and space Nei Bao
The component B composition enclosed and fill；Described component A weight/mass percentage composition is 75%～95%, component
B weight/mass percentage composition is 5%～25%；Described component A degree of crystallinity is 60%～90%, component B
Degree of crystallinity is 5%～40%；Described component A is the high molecular polymer A mixed with color grain, institute
Stating high molecular polymer A is polyethylene terephthalate；Described component B be p-phthalic acid and
The polymer of second diester, described color grain is carbon dust；Described superfine fibre long filament by component A and
Component B under the conditions of spinning temperature 150 DEG C～300 DEG C, draw off rate 3000～4000m/min with
Composite spinning method is made；Described making includes without the method contaminating chamois leather fabric:
(1) grey cloth makes: making two-sided knitting garden machine cloth with described superfine fibre long filament, grammes per square metre is
120～200 grams/every square metre；
(2) make without dye chamois leather fabric: by the first 85 DEG C of preshrunks of step (1) grey cloth, then 95 DEG C of heat
After water processes 40min, fibrillation 40min at 80 DEG C, fibrillation agents useful for same presses reagent weight
Amount accounts for grey cloth percentage by weight and is calculated as: benzyl alcohol 2%～6%, butyl glycidyl ether 1%,
NaOH 2%～4%, grey cloth and water weight ratio are 1:10～15；Again through pre-setting, plucking,
Sanding, 135 DEG C of high-temperature shrinkage, 180 DEG C of sizings, obtain described without dye chamois leather fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168453.5A CN103966696B (en) | 2014-04-24 | 2014-04-24 | A kind of superfine fibre long filament and without dye chamois leather fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168453.5A CN103966696B (en) | 2014-04-24 | 2014-04-24 | A kind of superfine fibre long filament and without dye chamois leather fabric |
Publications (2)
| Publication Number | Publication Date |
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| CN103966696A CN103966696A (en) | 2014-08-06 |
| CN103966696B true CN103966696B (en) | 2016-08-17 |
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| CN201410168453.5A Active CN103966696B (en) | 2014-04-24 | 2014-04-24 | A kind of superfine fibre long filament and without dye chamois leather fabric |
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Families Citing this family (1)
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| CN105862222A (en) * | 2015-01-20 | 2016-08-17 | 吴江市万事达纺织有限公司 | A fishbone pattern fabric and a preparation process therefor |
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| CN1309899C (en) * | 2004-01-16 | 2007-04-11 | 三芳化学工业股份有限公司 | Superfine fiber artificial leather and fabric preparing method |
| JP2007023442A (en) * | 2005-07-20 | 2007-02-01 | Opelontex Co Ltd | Polyester fiber dyed yarn and method for producing the same |
| CN101457482B (en) * | 2009-01-04 | 2010-07-21 | 山东同大纺织印染有限公司 | Superfine fibre woven fibric chemical leather and method for producing the same |
| CN102650081B (en) * | 2011-02-25 | 2014-01-29 | 上海华峰超纤材料股份有限公司 | Color fixed island composite short fiber and preparation method thereof |
| CN103275487B (en) * | 2013-05-31 | 2016-01-13 | 上海彩艳实业有限公司 | A kind of polyamide fibre not island ultrafine fiber master batch and preparation method thereof |
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Effective date of registration: 20200715 Address after: 311200 Jingjiang Street Industrial Zone, Xiaoshan District, Zhejiang, Hangzhou Co-patentee after: HANGZHOU HUVIS-YONGSHENG CHEMICAL FIBERS Co.,Ltd. Patentee after: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING Co.,Ltd. Co-patentee after: Nantong Yongsheng huiweishi fiber new material Co.,Ltd. Address before: 311223 Jingjiang Industrial Park, Xiaoshan District, Zhejiang, Hangzhou Patentee before: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING Co.,Ltd. |
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Address after: No.736, Hongye Road, Jingjiang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING CO.,LTD. Patentee after: Hangzhou Yongsheng High Fiber Co.,Ltd. Patentee after: Nantong Yongsheng huiweishi fiber new material Co.,Ltd. Address before: 311200 Jingjiang Street Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING Co.,Ltd. Patentee before: HANGZHOU HUVIS-YONGSHENG CHEMICAL FIBERS Co.,Ltd. Patentee before: Nantong Yongsheng huiweishi fiber new material Co.,Ltd. |
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Effective date of registration: 20220620 Address after: 311200 Jingjiang Street Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING CO.,LTD. Address before: No.736, Hongye Road, Jingjiang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING CO.,LTD. Patentee before: Hangzhou Yongsheng High Fiber Co.,Ltd. Patentee before: Nantong Yongsheng huiweishi fiber new material Co.,Ltd. |
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Denomination of invention: A type of ultra-fine fiber filament and non dyed suede fabric Granted publication date: 20160817 Pledgee: Zhejiang Xiaoshan rural commercial bank Limited by Share Ltd. Jingjiang branch Pledgor: HANGZHOU HUIWEISHI YONGSHENG DYEING & FINISHING CO.,LTD. Registration number: Y2024980000680 |
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