Txoj moo

Yuav ua li cas xaiv txoj cai polyethylene twine cov xov loj thiab lub zog rau koj qhov project

Xaiv Polyethylene Twine xov tsis xav nyuaj dua li txoj haujlwm nws tus kheej-tab sis qee qhov nws ib txwm ua.

Dhau heev thiab nws snaps. Dhau heev thiab nws pob zoo li ib tug grumpy octopus. Tiav thiab nws sib ntaus txhua txoj kev txav koj ua.

Cov lus qhia no hloov "Uh yuav tuav?" Ua rau cov kev ntseeg siab txog qhov loj me, lub zog, thiab durability-yam tsis muaj twv ntawm cov khoom siv kho vajtse.

Koj yuav pom raws nraim uas denier, rhuav tshem lub zog, thiab kev tsim kho kom phim koj cov kev xav tau tiag tiag -

Rau cov ntaub ntawv nyiam cov ntaub ntawv, peb tau ntim rau hauv specs, cov ntawv sib piv, thiab kev txuas rau kev lag luam cov qauv xws li covISO Cov Qauvthiab sector insells los ntawmKev Tshawb Fawb Yos.

Txog thaum kawg, koj yuav paub meej qhov twg twine ua haujlwm, vim li cas nws ua haujlwm, thiab yuav ua li cas kom tsis txhob nkim nyiaj rau ntawm lub yob tsis yog.

T Nkag siab to taub polyethylene twine xov ntau thiab tsawg thiab ntsuas kev ntsuas kev ntsuas

Xaiv txoj cai Polyethylene Twine Xov Xwm Loj pib nrog nkag siab txog qhov uas hla li cas, tsis kam lees, thiab rhuav lub zog yog ntsuas. Cov qauv no pab koj muab piv cov khoom lag luam los ntawm cov xa khoom sib txawv, kwv yees kev ua tau zoo, thiab ua kom muaj kev nyab xeeb. Thaum koj nkag siab cov ntsiab lus tseem ceeb, xaiv lub twine kom raug rau kev ntim khoom, kev ua liaj ua teb, marine, lossis siv tau ntau dua.

Hauv qab no yog qhov tseem ceeb tshaj systemizing thiab lawv yuav cuam tshuam ib leeg, yog li koj tuaj yeem nyeem cov ntaub ntawv tshwj xeeb nrog kev ntseeg siab thiab kev ua kom dhau los ntawm kev tsim kho koj qhov project.

1. Qhov tseem ceeb me me ntsuas: lub cheeb, tsis kam lees, Tex, thiab Ply

Polyethylene twine xov feem ntau txhais los ntawm nws txoj kab uas hla (mm), decear ceev (denier lossis Tex), thiab ply (muaj pes tsawg txoj sia yog sib dhos ua ke). Cov txiaj ntsig tshwj xeeb no cuam tshuam lub zog, tuav, kev ua tau zoo, thiab sib xyaw nrog cov cuab yeej lossis tshuab.

Chaw ua uas tsis tau haus Nws txhais li cas Cov Khoom Nquag Yog Kev cuam tshuam rau kev siv
Inch (hli) Thickness ntawm tag twine 0.5 - 6.0 hli Haum pulleys, koob, balers; cuam ​​tshuam tuav thiab pom kev
Denier (D) Hnyav nyob rau hauv grams ib 9,000 m 500D - 25,000d Ntau tus neeg tsis tshua muaj siab = hnyav dua, muaj zog tshaj
Tus yas Hnyav nyob rau hauv grams ib 1,000 m 55 Tex - 2,800 Tex Ntau yam nyob rau hauv cov ntaub ntawv cov ntaub ntawv; zoo ib yam li tus kav liam
Ply (piv txwv li, 2 - ply, 3 - ply) Tus naj npawb ntawm cov strands twisted 2 - 12 ply Ntau Pliesies txhim kho ib puag ncig, tshuav nyiaj li cas, thiab tsis kam ua fraying

2. Txhaum lub zog tiv thaiv ua haujlwm thauj khoom

Rhuav lub zog yog qhov siab tshaj plaws load ib qho qauv twium tshiab tiv thaiv nrog kev tswj hwm kev ua haujlwm ua ntej poob. Hauv cov ntawv thov tiag tiag, tsuas yog ib feem ntawm qhov uas yuav tsum tau siv raws li ua haujlwm thauj khoom. Nkag siab txog txoj kev sib raug zoo no yog qhov tseem ceeb rau kev nqa, nro, thiab kev nyab xeeb siv.

  • Rhuav lub zog: ntsuas hauv kg lossis kn hauv lab cov kev mob nrog tshiab, qhuav twine, qhuav tshij.
  • Ua haujlwm load txwv (Wll): feem ntau 15-25% ntawm kev rhuav tshem lub zog, nyob ntawm qhov kev nyab xeeb.
  • Poob siab thau: dynamic lossis cuam tshuam rau cov tub rog tuaj yeem tshaj cov khoom siv hluav taws xob zoo li qub; Tsim nrog cov npoo ntxiv.
  • Kev ua rau pom: UV, puas, thiab pob caus tuaj yeem txo qhov tseeb lub zog los ntawm 30-50% lossis ntau dua.

3. Cov Qauv Txheej Txheem ntawm Cov Ntawv Cim Khoom

Cov tuam txhab tsim khoom siv cov lej tsim ntaub ntawv los ntawm kev piav qhia polyethylene twine, sib xyaw loj thiab cov ntaub ntawv ua tau zoo. Kawm kom nyeem cov lis dej num no pab koj phim lossis hloov cov khoom uas twb muaj lawm tsis muaj kev twv.

Daim ntawv qhia Lub ntsiab Raug
2 hli / 150 kg Txoj kab uas hla thiab tsawg kawg nkaus tawg load Kev khi dav dav, lub teeb bundling, kev ua liaj ua teb
1500d × 3 ply Peb txoj kev sib tw ntawm 1500 denier txhua Muaj zog baling, ntim, khi khi-downs
800 tex twisted Tag nrho cov kab sib txawv ntawm cov xov paj Twisted Muaj tshuab xaws, netting, webbing
PE Twine 2/3 Ob yarns, peb plies (chaw sau ntawv hauv cheeb tsam) Nuv ntses, Horticultural txhawb cov kab

4. Yuav ua li cas polyethylene piv rau advanced UHMWPE fibers

Txheem Polyethylene Twine yog tus nqi-ua tau zoo tab sis qis dua hauv lub zog thiab modulus dua li ultra-siab molecular hnyav polyethylene (UHMWPE). Thaum muaj zog heev, txiav kev tawm tsam, lossis kev tiv thaiv kev ncaj ncees yog xav tau, UHMWPE cov xov paj yog qhov xav tau. Cov no yog engineered rau tshwj xeeb sectors.

Xov Xwm Xov Xwm Inch thiab Lub Zog Rau Cov Haujlwm Sib Txawv Loo Cov Khoom Yuav Tsum Tau Ua

Txhua daim ntawv thov cov chaw xav tau ntawm Polyethylene Twine: los ntawm lub teeb khi rau cov tub rog hnyav lihling hnyav. Kev ntsuas cov xov tooj thiab lub zog ua rau lub taub hau thiab lub zog kom cov khoom thauj tsis ua tiav kev ua ntej ntxov, tsis tsim nyog tus nqi. Xav txog ob qho kev thauj khoom txuas mus ntxiv thiab qee zaum peaks thaum xaiv cov kev qhia tshwj xeeb.

Cov ntu hauv qab no yuav ua li cas twine rau kev siv cov ntaub ntawv ib txwm muaj, ntxiv rau cov ntaub ntawv siv tau yooj yim sib piv ntawm cov phiaj xwm tsis sib xws.

1. Raug load pawg thiab pom zoo cov duab twine

Tso cai rau koj cov phiaj xwm rau hauv qeb thauj khoom yog txoj kev nrawm tshaj plaws kom nqaim qis ntawm twine diam thiab rhuav lub zog. Tom qab ntawd koj tuaj yeem zoo-saib raws li ib puag ncig, puas tsuaj, thiab kev nyab xeeb.

Thauj qeb Piv Txwv Siv Qhia hais txog lub taub Raug Breaking Zog
Lub Teeb (≤20 kg) Vaj Tying, me me parcels, tagging 0.5 - 1.2 hli 20 - 80 kg
Nruab Nrab (20-80 kg) Box bundling, qoob loo khi, kho kom zoo 1.5 - 2.5 hli 80 - 250 kg
Hnyav (80-250 kg) Baling, Teeb Towing, Tarpaulin Tensioning 2.5 - 4.0 hli 250 - 600 kg
Heev hnyav (≥250 kg) Rigging Assists, Mooring AIDS (tsis yog-thawj) 4.0 - 6.0 hli 600 kg thiab saum toj no

2. Cov ntaub ntawv pom: Sib piv cov kev ua haujlwm muaj zog

Daim duab hauv qab no piv txwv li kev sib tw sib tsoo uas xav tau rau cov ntawv thov sib txawv. Qhov no pab pom kev yuav ua li cas koj txoj haujlwm haum nyob rau hauv tag nrho cov zog kev yuav xav tau thiab ua cov qauv txheej txheem lossis qib siab Uhmwpe-based cov khoom lag luam zoo dua.

3. Kev ntsuas kev sib npaug nrog kev ua tau zoo

Thicker twine tsis yog ib txwm zoo dua. Diamos loj loj heev tuaj yeem nyuaj rau pob caus, tsis xis nyob nrog tuav, thiab tsis sib xws nrog cov khoom siv uas twb muaj lawm. Feem ntau, cov khoom siv siab dua ntawm cov uas hla me me ua tiav kev ua haujlwm siab dua thaum lub rooj sib tham thauj khoom.

  • Qhov Tseem Ceeb: Nyem, knotting yooj yim, hloov tau yooj yim, kev qaug zog.
  • Cov ntaub ntawv yam: cav ua ke los yog pulley haum, lub peev xwm spool, kev sib txhuam dhau qhov chaw.
  • Kev ua kom zoo: Xaiv txoj kab uas ua kom zoo tshaj plaws uas muaj kev nyab xeeb tau raws li Wll, tom qab ntawv txheeb xyuas kev tuav pov hwm.

4. Thaum txav los ntawm txheem PE Twine rau engineered UHMWPE fibers

Yog tias koj cov kev yuav tsum tau pib nce rau sab saud ntawm cov qauv kev txiav nyiaj-lossis yog tias koj xav tau kev ua haujlwm hnyav Lawv muaj ntau lub zog siab dua-rau-hnyav piv thiab txhim kho kev ua kom ruaj khov hauv cov qauv siab sib xyaw.

Rau cov ntawv thov uas xim xim coding yog qhov tseem ceeb, ua tau zooUltra - siab molecular hnyav polyethylene fiber ntau rau ximEnables muaj zog, muaj kuab heev, thiab ruaj khov yarns rau kev nyab xeeb rau kev kos duab, cim, thiab khoom lag luam hauv cov hlua, thiab cov tshuab textiles.

🔹 UAS huab cua, UV, thiab ua phem ua kom haum rau yam thaum xaiv twine specifications

Polyethylene twine yog ib txwm muaj dej noo-tiv taus thiab ntab ntev los ntawm lub hnub ci, xuab zeb, av, thiab ntse txhad tseem ua rau muaj kev ua tau zoo. Matching twine specifications rau cov kev mob ib puag ncig txuas ntxiv rau ib puag ncig lub neej thiab ua kom cov npoo kev nyab xeeb kom zoo, tshwj xeeb yog sab nraum zoov lossis hauv ib puag ncig.

Xav txog UV stabilization, nto hardness, thiab kev tsim kho tawv thaum siv cov twine uas yuav nyob sab nraud rau lub hlis lossis xyoo.

1. UV Yaus thiab Sab Nraud Kev Pab Lub Neej

Ultraviolet righiation muaj zog tsis muaj zog tiv thaiv polyethylene, ua rau brittleness thiab poob ntawm lub zog. UV-ruaj khov kho cov qhab nia siv additives lossis pigments kom qeeb tus txheej txheem no. Yog rau sab nraum zoov cov qauv, qhov no yog qhov tseem ceeb.

  • Xaiv UV-Stabilized PE rau kev ua liaj ua teb, fencing, thiab kev siv marine.
  • Cov xim tsaus nti feem ntau muab kev ua tau zoo UV zoo dua li dawb dawb.
  • Hloov lub hnub-nthuav tawm cov av ntawm cov sijhawm npaj tau npaj kom muaj kev nyab xeeb.

2. Txwv tsis pub, ntug hu, thiab nto tas

Rov ua dua cov tshuaj txhuam tawm tsam cov ntxhib cov npoo, pulleys, lossis cov npoo hlau tuaj yeem txiav cov fibers thiab txo lub zog. Twine tsim thiab tuav txoj cai ob leeg cuam tshuam zoo li cas koj lub cev tiv taus hnav.

  • Xaiv cov kev tsim kom nruj me ntsis los yog cov khoom siv sib txawv rau kev ua haujlwm siab dua.
  • Siv Fairleads, cov tes tiv thaiv, lossis cov khoom siv sib tshooj los txwv qhov sib tiv tauj.
  • Tshawb xyuas cov ntsiab lus siab ua kom tsis tu ncua thiab hloov twine thaum hnav zoo li.

3. Ya dej, tshuaj lom neeg, thiab qhov ntsuas kub tau kawg

Polyethylene tawm dej thiab muaj ntau yam tshuaj lom neeg, tab sis loj heev los yog kev lag luam muaj kev lag luam muaj peev xwm tseem cuam tshuam kev ua haujlwm. Xav txog qhov twg thiab li cas cov twine yuav siv, tsis yog li cas thiaj li muaj zog nws nyob hauv phau ntawv teev npe.

Yam tseem ceeb Cov nyhuv rau PE Twine Me quav
Dej / Salertwater Minimal zog poob; muaj peev xwm rau av / sand puas nqaim Yaug tom qab siv nyob rau hauv gritty lossis av xuab zeb; Tsis txhob ntse Barnacles
Tshuaj Lom Zem Zoo tsis kam rau ntau yam tshuaj lom neeg; Qee cov kuab tshuaj yuav swed fibers Sab hauv cov ntxhuav cov ntxhuav; xeem hauv cov qauv me
Thaum tshav kub kub (saum toj 70-80 ° C) Kev muag muag, deformation, poob ntawm lub zog Cia kom deb ntawm qhov chaw kub thiab qhov sib zog

Art Kev ruaj ntseg npoo: xam tawg lub zog thiab cov thauj khoom ua haujlwm

Kev siv kev nyab xeeb ntawm Polyethylene twine xov yog nyob ntawm ntau dua li hais tias tsuas yog rhuav lub zog. Koj yuav tsum tau thov cov ntsiab lus kev nyab xeeb, tus account rau pob caus thiab hnav, thiab hwm cov kev txwv uas ua haujlwm. Qhov no tseem ceeb tshwj xeeb tshaj yog cov khoom siv lossis cov khoom muaj txiaj ntsig nyob ze.

Cov kauj ruam hauv qab cov qauv qhia kom ua rau cov lej catalog rau hauv lub ntiaj teb no, kev nyab xeeb system tsim.

1. Xaiv ib qho kev nyab xeeb tsim nyog

Qhov kev nyab xeeb yog qhov sib piv nruab nrab ntawm kev rhuav tshem lub zog thiab lub zog siab tshaj plaws koj npaj yuav thov. Qhov ntau dua cov kev pheej hmoo los ntawm kev pheej hmoo los ntawm cov xwm txheej tsis zoo tab sis nce cov khoom loj thiab tus nqi.

Daim Ntawv Thov Hom Kev Nyab Xeeb Kev Nyab Xeeb Sau ntawv
Tsis yog-tseem ceeb khi / bundling 3: 1 - 5: 1 Tsim nyog qhov kev ua tsis tiav tsis raug txim rau cov neeg
Kev Siv Dav Hlau 5: 1 - 7: 1 Sib npaug ntawm kev nyab xeeb thiab ua haujlwm
Tib Neeg Kev Ruaj Ntseg ntsig txog cov tshuab 8: 1 - 10: 1 (lossis ntau dua) Nco ntsoov ua raws cov qauv hauv zos thiab cov cai

2. Kev sau nyiaj rau pob caus, cov khoom siv, thiab kho vajtse

Cov pob caus tuaj yeem txo txoj hlua lossis twine zog los ntawm 30-50%, nyob ntawm yam thiab zoo. Splic feem ntau khaws tau ntau lub zog tab sis yuav tsum muaj kev txawj. Cov Khoom Kho Vajtse xws li clamps lossis cov ntse ntse tuaj yeem ua kom pom kev ntxhov siab.

  • Xav tias muaj 30-40% txo thaum pob caus siv tau ntau zaus.
  • Siv cov khoom siv du, sib dhos thiab tsis txhob nruj, tsoo clamps.
  • Qhov twg ua tau, xum cov khoom siv rau cov kev sib txuas tsheb siab.

3. Cov Qauv Xam Thaiv

Piv txwv koj load yog 80 kg thiab tsis ua tiav yuav ua rau cov khoom puas tab sis tsis muaj tus kheej raug mob. Koj xaiv ib qho kev nyab xeeb ntawm 5: 1, thiab koj paub pob caus ntawd. Cov txheej txheem kev suav yuav zoo li no:

  • Yuav tsum muaj WLL: 80 kg
  • Kev Nyab Xeeb Kev Nyab Xeeb: 5 → Tej Zaum Tsawg (BS) = 80 × 5 = 400 kg
  • Siv 30% Lub Zog Poob Vim Txhob Pob Kno → Kho BS = 400 ÷ 57 ≈ 570 kg
  • Xaiv ib qho twine nrog tsawg kawg 600 kg breaking lub zog kom nyob twj ywm zoo dua tus nqi no.

🔹 Qhov twg yuav txhim khu kev qha polyethylene twine xovs: xaiv Changqingeng kom zoo

Txhim khu kev ua tiav twine kev ua tau yog nyob ntawm cov ntaub ntawv raw zoo sib xws, cleaming spinning, thiab kev nruj kev tswj hwm nruj. Ua haujlwm nrog cov chaw tsim khoom tshwj xeeb uas cov khoom lag luam tiag tiag phim cov ntaub ntawv cov ntaub ntawv, uas yog qhov tseem ceeb thaum tsim qauv nyob ib puag ncig thiab kav ntev.

Changqingteng muab tag nrho cov polyethylene thiab UHMWPE cov xov paj engineered rau hlua, Nets-resistant cov khoom, thiab cov tshuab raj.

1. Qhov zoo ntawm sourcing los ntawm cov chaw tsim khoom tshwj xeeb

Ib qho fiber ntau thiab cov neeg tsim khoom plig yaj tuaj yeem txhawb nqa koj kom deb tshaj li cov khoom xa khoom yooj yim. Cov kev coj ua txuj ci, customization, thiab rov ua tau zoo txhua yam kom muaj kev nyab xeeb dua thiab muaj txiaj ntsig zoo dua.

  • Tswjhwm tsis zoo / Tex tswj thiab nruj zog tsoo lub zog.
  • Cov kev xaiv rau UV stabilization, xim, thiab tshwj xeeb ua tiav.
  • Kev pab txhawb nyob rau hauv Match loj thiab kev tsim kho rau koj daim ntawv thov.

2. Cov khoom lag luam siab-ua haujlwm rau cov ntawv thov siab heev

Rau cov ntawv thov-hlua-hlua, txiav-resistant textiles, ballistic Systems-changnqingteng's UHMWPE portfolio pab muaj zog siab thiab ua haujlwm tshwj xeeb. Qhov no suav nrog cov hlua-cov kab ke-qib siab, pob zeb-siab txiav cov khoom lag luam, thiab cov hnab looj tes ballatistic, txhua qhov kev ua tau zoo rau kev ua tau zoo thiab sib xws.

  • Tubrog Nkoj thiab hlua ua hlua
  • Cov khaub ncaws tiv thaiv thiab hnab looj tes
  • Composite armor, kaus mom hlau, thiab vaj huam sib luag

3. Txhawb nqa cov kev cai tshwj xeeb thiab cov haujlwm ntev-ntev

Large or ongoing projects often need tailored parameters: specific denier, twist, color coding, or compatibility with your weaving or braiding equipment. Ua haujlwm ncaj qha nrog Changqingteng tso cai rau koj los txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau cov ntsiab lus no thiab tswj kom muaj kev tswj hwm cov kev mob ntev.

  • Xov paj paj loj, ply suav, thiab kaum theem.
  • Xim-phim UHMWPE rau branding lossis coding.
  • Daim Ntawv Thov-Tsav Tsheb pom kev zoo, los ntawm cov tswvyim rau kev tsim khoom.

Tag

Xaiv txoj cai Polyethylene Twine cov xov xwm loj thiab lub zog yog kev txiav txim siab ntawm kev paub txog kev nyab xeeb, kav ntev, thiab tus nqi. Los ntawm kev nkag siab ntsuas ntsuas-txoj kab uas hla-lub taub

Cov xwm txheej ib puag ncig xws li UV kis tau, puas tsuaj, noo, thiab qhov kub yuav tsum tau ua rau koj xaiv. Kev tswj hwm kev nyab xeeb kom raug, thiab cov khoom siv ua haujlwm rau pob caus lossis kho vajtse ntxiv txo kev pheej hmoo, tshwj xeeb yog kev nyab xeeb lossis kev nyab xeeb hauv chaw muaj kev nyab xeeb.

Thaum cov khoom thauj khoom tseem ceeb los yog thaum cov khoom tshwj xeeb zoo li kev txiav txim siab hnyav los yog kev tiv thaiv kev ua pob ncaws pob, cov qauv Polyethylene twine ncav nws cov kev txwv. Nyob rau theem ntawd, encermwed UHMWPE UHMWPE muaj cov kev txhim kho muaj zog hauv kev ua tau zoo, txhawb nqa cov khoom siv qib siab, cov khoom siv tiv thaiv, thiab cov tshuab. Kev sib koom ua ke nrog tus kws tshaj lij zoo li changqingteng ua kom muaj kev nkag mus rau ob qho tib si ntawm cov khoom siv PE qhuav, ntxiv rau cov khoom siv kev ua kom phim rau txhua yam khoom lag luam.

Cov Lus Nquag Nug Txog Polyethylene Twine Xov Paj

1. Kuv yuav paub li cas txog dab tsi ntawm Polyethylene twine Kuv xav tau?

Pib los ntawm koj qhov kev cia siab siab tshaj plaws thiab xaiv lub zog tawg nrog qhov tsim nyog kev nyab xeeb. Tom qab ntawd xaiv cov taub me me uas tau ntsib lossis tshaj li ntau tshaj plaws uas muaj zog thaum tseem haum koj cov pulleys, lossis khi cov cuab yeej. Rau lub teeb khi, 0.5-1.2 mm yog raug; Tej hauj lwm hnyav yuav xav tau 2.5-4.0 hli lossis ntau dua.

2. Puas yog cov xim cuam tshuam rau lub zog ntawm polyethylene twine?

Xim nws tus kheej tau tsawg kawg ntawm lub zog tensile muaj zog, tab sis pigiced lossis UV-ruaj khov tsim nyog feem ntau tswj lub zog ntev dua hauv tshav ntuj. Cov xim zoo UHMWPE cov fibers yog engineered kom khaws ob lub xim thiab kev ua haujlwm zoo hauv kev xav tau ib puag ncig.

3. Koj lub pob caus twg txo lub zog ntawm twine?

Feem ntau ntawm pob caus ntawd txo lub zog los ntawm 30-50%, nyob ntawm pob caus, twine, thiab nws nruj me ntsis. Rau qhov tseem ceeb heev, yog siv cov khoom siv tshwj xeeb lossis qhov ua kom txo qis rau koj cov kev suav thiab xaiv cov twine ntau dua.

4. Tuaj yeem polyethylene twine siv hauv cov dej qab haus huv?

Yog lawm. Polyethylene yog hydrophobic, tsis nqus dej, thiab feem ntau tsis kam tiv taus ntsev corrosion. Txawm li cas los xij, cov xuab zeb thiab grit tuaj yeem ua kom muaj kev puas tsuaj loj, thiab UV kis yuav tseem muaj degrade cov khoom, yog li kev kuaj xyuas ib ntus thiab hloov cov kev pom zoo.

5. Thaum twg kuv yuav tsum tau hloov kho los ntawm cov qauv Polyethylene twine rau UHMWPE fiber ntau khoom?

Txiav txim siab zuj zus thaum koj daim ntawv thov yuav tsum muaj zog-ua kom muaj zog, zoo dua kev txiav tawm, lossis kev tiv thaiv tshwj xeeb xws li ballistic lossis siab txiav-qib kev ua tau zoo. Hauv cov rooj plaub no, UHMWPE-based yarns thiab composites xa nyiaj ntev tshaj plaws lub neej thiab kev nyab xeeb kev nyab xeeb ntawm cov qauv Polyethylene twine.


Post time: Dec-02-2025