Microfiber tawv

  • High Quality Waterborne PU Synthetic tawv NAPA Grain Microfiber Backing tsis muaj DMF Rau Rooj Tog Zaum Tsheb

    High Quality Waterborne PU Synthetic tawv NAPA Grain Microfiber Backing tsis muaj DMF Rau Rooj Tog Zaum Tsheb

    1.This yog series ntawm Vegan PU faux tawv. Bio raws cov ntsiab lus ntawm 10% mus rau 100%, peb kuj hu ua biobased tawv. Lawv yog cov khoom siv tawv faux tawv thiab cov ntsiab lus tsis muaj tsiaj txhu.

    2. Peb muaj USDA Certificate thiab tuaj yeem muab Hang Tag rau koj dawb uas qhia txog % Biobased Carbon cov ntsiab lus.

    3. Nws cov ntsiab lus biobased carbon tuaj yeem hloov kho.

    4. Nws yog nrog tus thiab mos tes zoo nkaus li. Nws nto xov yog ntuj thiab qab zib.

    5. Nws yog hnav-resistant, tsim kua muag-resistant thiab waterproof.

    6. Nws thickness, xim, kev ntxhib los mos, ntaub puag thiab nto xov tag nrho tuaj yeem kho raws li koj qhov kev thov, kuj suav nrog koj tus qauv xeem.

    7.Cov ntaub tshiab yog biobased tawv tuaj yeem ua haujlwm rau Tsev Textiles, Kho kom zoo nkauj, siv kho kom zoo nkauj, lub rooj zaum, Golf, Keyboard hnab, Rooj tog, SOFA, ncaws pob, phau ntawv, lub rooj zaum, khaub ncaws, khau, ntaub pua chaw pw, LINING, Kab laug sab, Cua Cushion , Umbrella, Upholstery, Luggage, Dress, Accessories Sportswear, Baby & Children's wear, Bags, Purses & Handbags, pam, Wedding Dress, Tshwj xeeb zaus, tsho loj & tsho, ris tsho hnav ris tsho, paj ntaub, hnav hauv tsev, khoom siv sab nraum zoov, hauv ncoo, LINING blouses thiab blouses, tiab, swimsuits, drapes.

  • Eco-phooj ywg Synthetic Tawv Pu Microfiber Vegan Leather Automotive Vinyl Upholstery Microfiber Synthetic Tawv rau lub rooj zaum upholstery

    Eco-phooj ywg Synthetic Tawv Pu Microfiber Vegan Leather Automotive Vinyl Upholstery Microfiber Synthetic Tawv rau lub rooj zaum upholstery

    1.This yog series ntawm Vegan PU faux tawv. Bio raws cov ntsiab lus ntawm 10% mus rau 100%, peb kuj hu ua biobased tawv. Lawv yog cov khoom siv tawv faux tawv thiab cov ntsiab lus tsis muaj tsiaj txhu.

    2. Peb muaj USDA Certificate thiab tuaj yeem muab Hang Tag rau koj dawb uas qhia txog % Biobased Carbon cov ntsiab lus.

    3. Nws cov ntsiab lus biobased carbon tuaj yeem hloov kho.

    4. Nws yog nrog tus thiab mos tes zoo nkaus li. Nws nto xov yog ntuj thiab qab zib.

    5. Nws yog hnav-resistant, tsim kua muag-resistant thiab waterproof.

    6. Nws thickness, xim, kev ntxhib los mos, ntaub puag thiab nto xov tag nrho tuaj yeem kho raws li koj qhov kev thov, kuj suav nrog koj tus qauv xeem.

    7.Cov ntaub tshiab yog biobased tawv tuaj yeem ua haujlwm rau Tsev Textiles, Kho kom zoo nkauj, siv kho kom zoo nkauj, lub rooj zaum, Golf, Keyboard hnab, Rooj tog, SOFA, ncaws pob, phau ntawv, lub rooj zaum, khaub ncaws, khau, ntaub pua chaw pw, LINING, Kab laug sab, Cua Cushion , Umbrella, Upholstery, Luggage, Dress, Accessories Sportswear, Baby & Children's wear, Bags, Purses & Handbags, pam, Wedding Dress, Tshwj xeeb zaus, tsho loj & tsho, ris tsho hnav ris tsho, paj ntaub, hnav hauv tsev, khoom siv sab nraum zoov, hauv ncoo, LINING blouses thiab blouses, tiab, swimsuits, drapes.

  • Kev cai Knitted Backing PU Artificial Lychee Grain Embossed Synthetic Tawv Vegan Synthetic PU Tawv PU khoom Rau Hnab Rooj Tog Tsheb

    Kev cai Knitted Backing PU Artificial Lychee Grain Embossed Synthetic Tawv Vegan Synthetic PU Tawv PU khoom Rau Hnab Rooj Tog Tsheb

    1. Txheej txheem cej luam ntawm Litchi Tawv
    Litchi tawv yog cov tawv tsiaj ua tiav nrog cov cim lychee zoo nkauj ntawm nws qhov chaw thiab muag muag thiab muag muag. Litchi tawv tsis tsuas yog muaj qhov zoo nkauj zoo nkauj, tab sis kuj muaj qhov zoo heev. Nws yog dav siv nyob rau hauv ua high-end tawv khoom, hnab, khau thiab lwm yam khoom.
    2. Khoom siv ntawm Litchi Tawv
    Cov khoom ntawm Litchi tawv mas yog los ntawm cov tsiaj tawv xws li cowhide thiab tshis tawv nqaij. Tom qab cov tsiaj tawv tawv no tau ua tiav, lawv mus dhau ntawm cov txheej txheem ua tiav thiab thaum kawg tsim cov ntaub ntawv tawv nrog lychee zoo nkauj.
    3. Ua Tshuab ntawm Litchi Tawv
    Cov txheej txheem thev naus laus zis ntawm Litchi tawv yog qhov tseem ceeb heev thiab feem ntau muab faib ua cov kauj ruam hauv qab no:
    1. Peeling: Tshem tawm ntawm qhov chaw thiab cov ntaub so ntswg ntawm cov tsiaj tawv, khaws cov nqaij nruab nrab, thiab tsim cov ntaub ntawv tawv.
    2. Tanning: Soak cov tawv raw cov ntaub ntawv nyob rau hauv cov tshuaj ua kom lawv mos thiab hnav-resistant.
    3. Smoothing: Cov tawv tanned yog trimmed thiab flattened rau cov npoo du thiab nto.
    4. Xim: Dyeing yog ua raws li xav tau kom tig mus rau hauv cov xim uas xav tau.
    5. Kev kos duab: Siv cov tshuab lossis cov cuab yeej siv tes los kos cov qauv xws li cov qauv lychee ntawm cov tawv nqaij. 4. Qhov zoo ntawm lychee tawv Litchi tawv muaj qhov zoo hauv qab no:
    1. Cov kev ntxhib los mos tshwj xeeb: Cov tawv nqaij ntawm lychee muaj kev ntxhib los mos, thiab txhua daim tawv nqaij sib txawv, yog li nws muaj txiaj ntsig zoo nkauj thiab zoo nkauj. 2. Mos kev ntxhib los mos: Tom qab tanning thiab lwm yam kev kho mob, lychee tawv yuav mos, breathable, thiab elastic, thiab muaj peev xwm haum rau saum npoo ntawm lub cev los yog khoom. 3. Kev ua haujlwm zoo: Cov txheej txheem tanning thiab kev siv tshuab ntawm lychee tawv txiav txim siab tias nws muaj cov khoom zoo xws li hnav tsis kam, tiv thaiv fouling, thiab tsis muaj dej, thiab muaj lub neej ua haujlwm ntev. 5. Cov ntsiab lus
    Litchi tawv yog cov khoom siv tawv zoo uas muaj kev ntxhib los mos thiab zoo heev. Litchi tawv tau siv dav hauv kev tsim cov khoom tawv tawv thiab lwm yam khoom.

  • Npuag Silicone Synthetic Abrasion Resistant Breathable Faux Tawv Khoom kim heev tiag tawv

    Npuag Silicone Synthetic Abrasion Resistant Breathable Faux Tawv Khoom kim heev tiag tawv

    Silicone tawv yog ib hom tshiab ntawm ib puag ncig tus phooj ywg tawv tawv, uas yog tsim los ntawm silica gel ua raw khoom, ua ke nrog cov ntaub ntawv hauv paus xws li microfiber thiab non-woven fabrics, thiab npaj los ntawm kev siv technology tshwj xeeb. Cov khoom siv no yog tsim rau ntau hom kev lag luam. Thaum lub sij hawm tsim cov txheej txheem, cov txheej txheem silicone yog sib koom ua ke rau ntau yam substrates siv cov tshuab tsis muaj kuab tshuaj los tsim cov tawv nqaij. Silicone tawv yog cov khoom siv tshiab kev lag luam tsim nyob rau hauv lub xyoo pua 21st. Nws cov qauv feem ntau suav nrog cov khoom siv hauv paus thiab peb txheej txheej silicone. Feem ntau ntawm cov ntaub ntawv txheej yog microfiber, polyester, blended, thiab lwm yam.
    Qhov zoo ntawm silicone tawv muaj xws li:
    1. Kub kub tsis kam
    2. Tshuaj tiv thaiv
    3. Kev ua haujlwm ib puag ncig
    4. Hnav tsis kam
    5. Kev ua haujlwm mos
    7. Lub neej ua haujlwm ntev

  • Cov tawv tiag tiag Cow Milled Finish Leather rau Upholstery Automotive Sofa

    Cov tawv tiag tiag Cow Milled Finish Leather rau Upholstery Automotive Sofa

    Milled Leather yog hais txog cov qauv zoo li lychee zoo li ntawm cov tawv nqaij tom qab milled. Cov tawv tuab dua, qhov loj dua tus qauv. Nws tseem hu ua milled tawv. Qhov luaj li cas ntawm milled nplej txawv nyob ntawm seb cov khoom siv tes ua. Nws yuav tsum tau hais tias lub grain nto yuav tsum tsis txhob nruj heev, txwv tsis pub cov kev ntxhib los mos nyhuv yuav tsis tsim. Siv los ua khaub ncaws, khau, thiab hnab.

    Milled: Ib qho ntawm cov txheej txheem tsim cov tawv ntiv tes, nrog kev ntxhib los mos thiab tsis muaj cov khoom siv embossing.

    Milled Leather yog softer, nyiam dua thiab muag heev rau qhov kov, thiab zoo nkauj dua. Nws yog dav siv hauv hnab thiab khaub ncaws. Nws yog tawv tawv heev.

    Milled Tawv muaj cov txheej txheem ntau lawm! Ntuj graining! Nws feem ntau yog thawj txheej cowhide! Qhov kev ntxhib los mos yog mos thiab tawv! Nws yog tib yam li thawj txheej cowhide! Nws tsuas yog qhov kev ntxhib los mos ntawm qhov chaw sib txawv raws li cov txheej txheem ntau lawm!

  • High quality suede nappa tawv ntaub ntaub ntaub PU hluavtaws tawv rau lub rooj zaum npog lub hnab

    High quality suede nappa tawv ntaub ntaub ntaub PU hluavtaws tawv rau lub rooj zaum npog lub hnab

    Nappa tawv yog cov khoom siv tawv tawv zoo nrog cov yam ntxwv thiab kev siv hauv qab no:
    Keeb kwm thiab txhais:
    Napa tawv yog keeb kwm hauv Napa cheeb tsam ntawm California, Tebchaws Asmeskas, thiab tau tsim los ntawm Sawyer Tanning Company hauv xyoo 1875.
    Nws yog cov txheej txheem ua tawv tawv, tshwj xeeb tshaj yog sab saum toj-grain cowhide, cov khoom siv paub txog nws lub zog, elasticity thiab meej qhov pores.
    yam ntxwv:
    Nappa tawv yog lub npe hu rau nws txhais tes zoo heev thiab kov, thiab tau piav raws li tus, du, kev sib tw thiab muag heev li sheepskin.
    Nws muaj cov dej zoo nqus, elasticity thiab nro, nrog rau zoo heev breathability. Cov yam ntxwv no ua rau Nappa tawv siv dav hauv khaub ncaws, khau thiab lwm yam.
    Kev siv thaj chaw:
    Nappa tawv feem ntau siv nyob rau hauv sab hauv ntawm cov khoom kim heev tsheb, xws li cov rooj zaum, vim nws yog du, hnav-resistant thiab muaj breathability zoo heev.
    Tsis tas li ntawd, nws kuj tau siv dav hauv cov plaub hau, khau sab saud, lub nra thiab lwm yam lag luam, thiab nyiam los ntawm cov neeg siv khoom rau nws txoj kev zoo nkauj thiab kev nplij siab.
    Txheej txheem ntau lawm:
    Nappa tawv yog tsim los ntawm kev sib xyaw ntawm alum thiab zaub tanning, ib lub tshuab uas muab cov tawv nqaij zoo thiab ua haujlwm ntev.

  • Yaj Flocked woven Npuag Faux Suede Synthetic pu Tawv rau lub rooj zaum hnab khau rooj tog

    Yaj Flocked woven Npuag Faux Suede Synthetic pu Tawv rau lub rooj zaum hnab khau rooj tog

    Cov khoom ntawm Yangbuck tawv yog PU cob. Yangbuck tawv yog hom tawv tawv, tsis yog tawv tsiaj. Yangbuck tawv tseem hu ua sheepskin texture tawv. Yangbuck tawv yog hom tawv tawv. Nws yog ua los ntawm sheepbuck resin thiab siv cov cuab yeej tsim khoom tshwj xeeb. Nws yog tsuas yog siv rau tanning, hnab, sofas, tsheb interiors, thiab lwm yam.

  • PU Frosted Yangbuck Nubuck grain Synthetic Leather Microfiber faux Tawv Npuag rau lub hnab khau hnab nyiaj hniav nyiaj hniav kub Decorate Notebooks Case

    PU Frosted Yangbuck Nubuck grain Synthetic Leather Microfiber faux Tawv Npuag rau lub hnab khau hnab nyiaj hniav nyiaj hniav kub Decorate Notebooks Case

    1. Zoo heev txhais tes hnov ​​& xis kov, tib yam li tawv tiag.

    2. Lub cev hnyav dua li tawv tiag. Microfiber Tawv rau Tsheb Rooj Npog feem ntau yog 500gsm - 700gsm.

    3. Kev ua tau zoo dua li tawv tawv. Tensile lub zog, tawg lub zog, tsim kua muag lub zog, tev lub zog, abrasion tsis kam, hydrolysis tsis kam tag nrho cov tawv tiag tiag.

    4. Kev ntxhib los mos & Xim tuaj yeem kho, zam qauv.

    5. Yooj yim ntxuav.

    6. Tau mus txog 100% kev siv tus nqi!

  • Spot High Quality Ecological tawv Synthetic Tawv PU Tawv ntaub mos thiab tawv-phooj ywg rau khaub ncaws

    Spot High Quality Ecological tawv Synthetic Tawv PU Tawv ntaub mos thiab tawv-phooj ywg rau khaub ncaws

    Eco-leather yog cov khoom tawv tawv uas nws cov ntsuas ecological ua tau raws li cov kev cai ntawm ecological qauv. Nws yog cov tawv tawv uas ua los ntawm crushing khib nyiab tawv, scraps thiab muab pov tseg tawv, thiab ces ntxiv adhesives thiab nias. Nws belongs rau tiam thib peb ntawm cov khoom.
    Eco-leather yuav tsum ua kom tau raws li cov qauv tsim los ntawm lub xeev, suav nrog plaub yam khoom: dawb formaldehyde, hexavalent chromium cov ntsiab lus, txwv azo dyes thiab pentachlorophenol cov ntsiab lus.
    1. Dawb formaldehyde: Yog tias nws tsis raug tshem tawm tag nrho, nws yuav ua rau muaj kev phom sij rau tib neeg lub hlwb thiab ua rau mob qog noj ntshav. Tus qauv yog: cov ntsiab lus tsawg dua 75ppm.
    2. Hexavalent chromium: Chromium tuaj yeem ua tawv tawv thiab elastic. Nws muaj nyob rau hauv ob hom: trivalent chromium thiab hexavalent chromium. Trivalent chromium tsis muaj teeb meem. Ntau hexavalent chromium tuaj yeem ua rau tib neeg cov ntshav. Cov ntsiab lus yuav tsum tsawg dua 3ppm, thiab TeCP tsawg dua 0.5ppm.
    3. Banned azo dyes: Azo yog ib qho hluavtaws dye uas tsim cov tshuaj tsw qab amines tom qab kev sib cuag nrog daim tawv nqaij, uas ua rau mob qog noj ntshav, yog li no cov hluavtaws dye yog txwv.
    4. Pentachlorophenol cov ntsiab lus: Nws yog ib qho tseem ceeb preservative, tshuaj lom, thiab yuav ua rau lom deformities thiab mob cancer. Cov ntsiab lus ntawm cov khoom no hauv cov khoom tawv tawv yog 5ppm, thiab cov qauv nruj dua yog tias cov ntsiab lus tsuas yog qis dua 0.5ppm.

  • Eco tus phooj ywg PU Artificial Tawv Hydrolysis Resistant Waterproof Semi Scratch-Resistant Sofa Tsheb Rooj Tawv Microfiber Rau khau rooj zaum rooj tog zaum upholstery hnab

    Eco tus phooj ywg PU Artificial Tawv Hydrolysis Resistant Waterproof Semi Scratch-Resistant Sofa Tsheb Rooj Tawv Microfiber Rau khau rooj zaum rooj tog zaum upholstery hnab

    A. Qhov no yogGRS Recycled tawv, nws lub hauv paus ntaub yog los ntawm recycled yas hwj. Peb muaj GRS PU, microfiber, suede microfiber thiab PVC, peb yuav qhia cov ntsiab lus.

    B. Muab piv nrog cov hluavtaws tawv, nws lub hauv paus yogcov khoom siv rov ua dua tshiab. Nws yog nyob rau hauv txoj kab nrog cov qauv ntawm cov neeg nrhiav kev tiv thaiv ib puag ncig.

    C. Nws cov ntaub ntawv raw yog xaiv zoo thiab qhov zoo yog qhov zoo.

    D. Nws lub cev lub cev yog tib yam li cov tawv hluavtaws.

    Nws yog hnav-resistant, tsim kua muag-resistant thiab nrog high hydrolysis. Nws ruaj khov yog nyob ib ncig ntawm 5-8 xyoo.

    E. Nws qhov kev ntxhib los mos yog huv thiab meej. Nws txhais tes zoo li mos thiab zoo li cov tawv tiag tiag.

    F. Nws thickness, xim, kev ntxhib los mos, ntaub puag, nto xov thiab cov yam ntxwv zoo tag nrho tuaj yeem kho raws li koj qhov kev thov.

    G. Peb muajGRSDaim ntawv pov thawj! Peb muaj kev tsim nyog los ua GRS Recycled hluavtaws tawv cov ntaub ntawv. Peb tuaj yeem qhib GRS TC Daim Ntawv Pov Thawj rau koj uas tuaj yeem pab koj ntawm kev tshaj tawm cov khoom lag luam thiab kev txhim kho kev lag luam.

     

  • Tawv Factory PU Lychee Litchi Grain Tsheb Sab Hauv Tawv Synthetic PU Tawv Npuag Nappa Grain Rau Rooj Tog

    Tawv Factory PU Lychee Litchi Grain Tsheb Sab Hauv Tawv Synthetic PU Tawv Npuag Nappa Grain Rau Rooj Tog

    Microfiber litchi qauv ntaub yog ib yam ntawm simulated txhob lo lo ntxhuav ntaub. Nws cov khoom xyaw feem ntau yog sib xyaw nrog polyester fiber lossis acrylic fiber thiab jute (uas yog, txhob lo lo ntxhuav). Cov qauv litchi yog ib qho qauv tsim los ntawm kev sib tw. , kom tag nrho cov ntaub muaj ib tug zoo nkauj litchi qauv zoo nkauj nyhuv, xav tias du thiab xis, muaj ib tug gloss, thiab xim yog ci thiab gorgeous. Tsis tas li ntawd, hom ntaub no kuj muaj qhov ua pa zoo thiab nqus dej noo, tsis yooj yim rau hluav taws xob zoo li qub, muaj qee yam los tiv thaiv wrinkle, thiab yooj yim los tswj. Vim nws txoj kev xav zoo nkauj thiab zoo nkauj, microfiber lychee qauv ntaub feem ntau yog siv rau hauv cov poj niam lub tiab, tsho, hnav ris tsho, lub caij ntuj sov nyias lub tsho thiab lwm yam khaub ncaws. Tsis tas li ntawd, nws tseem tuaj yeem siv rau hauv kev kho kom zoo nkauj hauv tsev xws li ntaub thaiv, cushions, thiab ntaub pua chaw los ntxiv qhov chaw sov rau lub tsev.
    1. Kev xaiv: Thaum muas microfiber lychee qauv ntaub, koj yuav tsum tau xyuam xim rau qhov zoo thiab siv. Thaum yuav khoom, nws yog qhov zoo tshaj plaws los xaiv cov ntaub uas ua tau raws li cov kev xav tau ntawm cov khoom zoo, xis nyob, xim ci, washability thiab tsis kam mus rub.
    2. Kev tu: Kev saib xyuas ntawm microfiber lychee qauv ntaub yog qhov yooj yim. Nws feem ntau tsuas yog xav tau kev ntxuav kom huv, tsis txhob raug tshav ntuj thiab kub siab, thiab ceev faj tsis txhob txhuam cov khoom ntse kom tsis txhob khawb cov ntaub.
    Cov ntsiab lus: Microfiber lychee qauv ntaub yog ib qho zoo heev simulated txhob lo lo ntxhuav ntaub nrog ib tug mos mos thiab xis nyob, zoo nkauj lychee qauv zoo nkauj nyhuv, zoo breathability thiab noo noo nqus. Nyob rau hauv cov nqe lus ntawm kev siv, nws yog haum rau siv nyob rau hauv cov poj niam cov khaub ncaws thiab tsev kho kom zoo nkauj thiab lwm yam teb, thiab yog yooj yim thiab yooj yim rau kev tswj.

  • Dongguan microfiber tawv litchi lis tawv rau lub rooj zaum tsheb thiab rooj tog

    Dongguan microfiber tawv litchi lis tawv rau lub rooj zaum tsheb thiab rooj tog

    Microfiber litchi qauv ntaub yog ib yam ntawm simulated txhob lo lo ntxhuav ntaub. Nws cov khoom xyaw feem ntau yog sib xyaw nrog polyester fiber lossis acrylic fiber thiab jute (uas yog, txhob lo lo ntxhuav). Cov qauv litchi yog ib qho qauv tsim los ntawm kev sib tw. , kom tag nrho cov ntaub muaj ib tug zoo nkauj litchi qauv zoo nkauj nyhuv, xav tias du thiab xis, muaj ib tug gloss, thiab xim yog ci thiab gorgeous. Tsis tas li ntawd, hom ntaub no kuj muaj qhov ua pa zoo thiab nqus dej noo, tsis yooj yim rau hluav taws xob zoo li qub, muaj qee yam los tiv thaiv wrinkle, thiab yooj yim los tswj. Vim nws txoj kev xav zoo nkauj thiab zoo nkauj, microfiber lychee qauv ntaub feem ntau yog siv rau hauv cov poj niam lub tiab, tsho, hnav ris tsho, lub caij ntuj sov nyias lub tsho thiab lwm yam khaub ncaws. Tsis tas li ntawd, nws tseem tuaj yeem siv rau hauv kev kho kom zoo nkauj hauv tsev xws li ntaub thaiv, cushions, thiab ntaub pua chaw los ntxiv qhov chaw sov rau lub tsev.
    1. Kev xaiv: Thaum muas microfiber lychee qauv ntaub, koj yuav tsum tau xyuam xim rau qhov zoo thiab siv. Thaum yuav khoom, nws yog qhov zoo tshaj plaws los xaiv cov ntaub uas ua tau raws li cov kev xav tau ntawm cov khoom zoo, xis nyob, xim ci, washability thiab tsis kam mus rub.
    2. Kev tu: Kev saib xyuas ntawm microfiber lychee qauv ntaub yog qhov yooj yim. Nws feem ntau tsuas yog xav tau kev ntxuav kom huv, tsis txhob raug tshav ntuj thiab kub siab, thiab ceev faj tsis txhob txhuam cov khoom ntse kom tsis txhob khawb cov ntaub.
    Cov ntsiab lus: Microfiber lychee qauv ntaub yog ib qho zoo heev simulated txhob lo lo ntxhuav ntaub nrog ib tug mos mos thiab xis nyob, zoo nkauj lychee qauv zoo nkauj nyhuv, zoo breathability thiab noo noo nqus. Nyob rau hauv cov nqe lus ntawm kev siv, nws yog haum rau siv nyob rau hauv cov poj niam cov khaub ncaws thiab tsev kho kom zoo nkauj thiab lwm yam teb, thiab yog yooj yim thiab yooj yim rau kev tswj.