Lim cov ntaub ntawv
Shenzhen Haisheng Filter Materials: Koj Trustworthy Filter Materials Chaw tsim tshuaj paus!
Peb lub tuam txhab tau tsim nyob rau xyoo 2001 thiab feem ntau tsim thiab ua cov ntaub ntawv sib xyaw rau cov khaub ncaws, khau thiab kaus mom, hnab tes, hnab, khoom siv ua kis las, huab cua lim thiab lwm yam khoom. Peb cov khoom muaj xws li cov pob ncaws pob tawv, cov ntaub ntawv lim, cov ntaub ntawv EVA, cov ntaub ntawv suab thiab cov cua sov, thiab cov ntaub ntawv txheej.
Cov khoom lag luam nplua nuj
Peb lub tuam txhab Filter Materials, Medical Air Filter Paper, Cabin Filter Paper, PP Air Filter Paper, Vacuum Cleaner Filter Paper, Polyester Non Woven Fabric, PET Backbone Nonwoven Fabric, thiab lwm yam.
Cov cuab yeej tsim khoom siab heev
Peb lub tuam txhab muaj cov khoom siv hluav taws xob zoo tshaj plaws, cov kab ntau lawm, cov kab ntau lawm, PUR cov khoom sib xyaw, cov cuab yeej siv siab tsis siv neeg slitting, tsis siv neeg vibrating riam txiav thiab lwm yam khoom siv.
Cov khoom siv dav siv
Cov khoom tsim los ntawm peb lub tuam txhab tuaj yeem siv dav hauv huab cua lim, lim cov ntsiab lus, lub ntsej muag phais, tiv thaiv khaub ncaws, ncaws pob, Asmeskas ncaws pob, ntaus pob, ntaus pob, ntaus pob ntaus pob hauv puam thiab lwm qhov chaw.
Customizable
Cov khoom peb tsim tuaj yeem yog OEM customized, thiab peb yuav qhia rau cov neeg siv khoom tam sim ntawd ntawm kev ua raws li cov xwm txheej ntawm qhov kev txiav txim, suav nrog cov qauv, kev nce qib, thiab kev nce qib ntawm kev thauj mus los.
Filter Materials yog dab tsi
Cov ntaub ntawv lim dej yog cov khoom siv los yog cov khoom sib xyaw tsim los tshem tawm cov teeb meem ntawm huab cua, kua, lossis lwm yam roj sib tov. Cov ntaub ntawv no yog ib qho tseem ceeb nyob rau hauv ntau yam kev siv uas purity yog ib qho tseem ceeb, nrog rau cov huab cua purification, dej kho, kev lag luam txheej txheem thiab cov cuab yeej kho mob. Qhov ua tau zoo ntawm cov khoom siv lim dej yog nyob ntawm ntau yam, xws li qhov loj thiab qhov xwm txheej ntawm cov khoom raug lim, tus nqi ntws ntawm cov kua los yog roj los ntawm cov lim dej, thiab qib kev lim dej yuav tsum tau ua. Thaum kawg, lim cov ntaub ntawv suav nrog huab cua purifier HEPA lim ntawv, PP huab cua lim ntawv, thiab lwm yam.
Nta ntawm PP Cua Lim Ntawv
Abrasive Resistant
Polypropylene kuj tseem muaj qhov kub siab melting, uas txhais tau tias nws tuaj yeem tiv taus cua sov thiab siab cuam tshuam nrog cov khoom siv abrasive. Cov yam ntxwv no tso cai rau cov lim dej polypropylene tuaj yeem tiv taus qhov cuam tshuam ntawm cov ntaub ntawv abrasive thaum tso cai rau lwm cov ntaub ntawv los ntawm.
Muaj zog tshuaj tiv thaiv
Polypropylene muaj cov tshuaj tiv thaiv zoo rau feem ntau cov kua qaub, alkalies, tshuaj dawb, thiab cov kuab tshuaj ntxiv nrog rau kev tiv thaiv tsis ncaj qha tshav ntuj. Thaum kawg, polypropylene membrane cov ntxaij lim dej kuj yog cov tsis ntxeem tau thiab mildew resistant.
Lub zog zoo heev
Ntxiv nrog rau cov tshuaj tiv thaiv muaj zog, cov lim dej polypropylene ua kom pom lub zog zoo ua rau lawv muaj kev pom zoo rau kev siv hnyav.
Electrostatic Charge
Polypropylene muaj cov khoom siv hluav taws xob hauv hluav taws xob uas tau txhim kho los ntawm kev sib txhuam ntawm cov huab cua hla ntawm lub ntsej muag honeycomb uas tso cai rau lub tshuab lim cua zoo uas tuaj yeem ntxuav thiab rov siv dua.
Meltblown PP Lim Ntawv
Ua los ntawm cov txheej txheem uas molten polypropylene yog extruded rau hauv cov fibers zoo uas tau muab tso rau hauv ib qho kev siv conveyor los tsim ib lub web nonwoven. Hom ntawv no paub txog nws qhov kev ua haujlwm siab pom thiab tsis tshua muaj siab poob. Nws yog feem ntau siv hauv HEPA thiab ULPA lim.
Spunbond PP Lim Ntawv
Daim ntawv no yog tsim los ntawm extruding polypropylene rau hauv cov fibers txuas ntxiv uas tom qab ntawd sib txuas ua ke siv cov cua sov los yog cov nplaum. Spunbond PP yog tsawg dua li meltblown thiab muaj zog zoo thiab kav ntev. Nws yog feem ntau siv hauv cov lim dej ua ntej thiab hauv cov ntawv thov uas yuav tsum tau muaj cov dej ntws ntau dua.
Koob Punched PP Lim Ntawv
Hom ntawv lim no yog tsim los ntawm mechanically interlocking fibers nrog koob. Koob punched cov ntaub ntawv yog thicker thiab muaj zog tensile ntau dua meltblown los yog spunbond cov ntaub ntawv, ua rau lawv haum rau hnyav-duty daim ntaub ntawv.
Meltblown / Spunbond Composite PP Lim Ntawv
Kev sib xyaw ua ke ntawm meltblown thiab spunbond txheej, cov khoom sib xyaw no ua kom pom kev ua haujlwm siab ntawm meltblown nrog lub zog thiab ua haujlwm ntawm spunbond. Nws yog feem ntau siv rau hauv cov ntawv thov uas qhov sib npaug ntawm kev pom kev ua haujlwm thiab lub cev muaj zog yog xav tau.
Daim ntawv ntub dej PP lim
Daim ntawv no yog tsim los ntawm kev tso ib lub lev ntawm PP fibers mus rau ib lub xaim mesh thiab tom qab ntawd muab cov lev nrog cov dej noo thiab cua sov. Cov ntawv ntub dej PP lim ntawv yog tus cwj pwm los ntawm nws cov qauv pore thiab siv rau hauv cov ntawv thov uas xav tau kev tswj xyuas meej ntawm qhov pore loj.
Qhuav-Laid PP Lim Ntawv
Zoo ib yam li cov ntaub ntub dej, cov ntawv PP qhuav yog tsim yam tsis siv dej. Hloov chaw, huab cua yog siv los nteg thiab khi cov fibers. Txoj kev no ua rau ib daim ntawv nrog cov khoom pom zoo thiab tsim nyog rau cov ntawv thov uas tsis muaj dej noo tseem ceeb.
Qhov zoo ntawm Kev Siv PP Cua Lim Ntawv
Txhim kho Purity
PP Air Filter Paper tshem tawm impurities thiab hais los ntawm cov kua thiab roj, txhim kho lawv cov purity.
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Zoo ib yam
PP Air Filter Paper muab kev pom zoo ib yam, kom ntseeg tau tias cov kua lim dej los yog roj ua tau raws li qhov yuav tsum tau ua.
02
Nqi-zoo
PP Air Filter Paper yog ib qho txiaj ntsig zoo rau kev pom zoo piv rau lwm txoj hauv kev pom.
03
Yooj Yim Siv
PP Air Filter Paper yog ib qho yooj yim rau siv thiab tsis tas yuav tsum muaj cov cuab yeej tshwj xeeb lossis kev cob qhia.
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Environmentally Friendly
Ntau hom PP Air Filter Paper yog biodegradable thiab ib puag ncig tus phooj ywg, ua rau lawv muaj kev pom zoo.
05
Yuav Ua Li Cas Xaiv PP Cua Lim Daim Ntawv
Lim Efficiency
Txiav txim siab qhov ua tau zoo yam tsawg kawg nkaus uas yuav tsum tau ua kom ntes cov phiaj xwm. HEPA cov ntxaij lim dej yuav tsum ntes 99.97% ntawm cov khoom 0.3 microns hauv txoj kab uas hla, thaum ULPA cov ntxaij lim dej ntes cov khoom me me.
Particle Loj
Qhov luaj li cas ntawm qhov yuav tsum tau lim yuav cuam tshuam qhov pore loj. Meltblown polypropylene ntawv feem ntau zoo dua rau cov khoom me me vim nws cov qauv fiber ntau zoo, thaum rab koob punched cov ntaub ntawv yuav zoo dua rau cov khoom loj dua.
Tus nqi ntws
Xav txog huab cua txaus npaum li cas cov ntawv lim yuav tsum ua. Cov dej ntws ntau dua tuaj yeem xav tau cov lim dej nrog cov pores loj dua lossis cov txheej tuab dua kom muaj kev pom zoo txaus.
Siab poob
Qhov tsis kam ntawm huab cua ntws los ntawm lub lim, hu ua kev poob siab, cuam tshuam rau kev ua haujlwm ntawm lub cev thiab kev siv lub zog. Kev txo qis qis feem ntau nyiam tab sis yuav tsum sib npaug nrog kev pom kev ua haujlwm zoo.
Durability thiab muaj zog
Cov ntawv lim yuav tsum tiv taus kev ua haujlwm, nrog rau kev ntxhov siab ntawm lub cev thiab muaj peev xwm raug tshuaj lom neeg. Cov ntaub ntawv sib xyaw lossis cov khoom siv nrog kev sib txuas ntxiv yuav tsim nyog dua.
Kub Resistance
Yog hais tias lub lim yuav siv nyob rau hauv qhov kub thiab txias ib puag ncig, xyuas kom meej tias cov khoom PP tuaj yeem tswj nws cov qauv kev ncaj ncees thiab pom kev ua haujlwm zoo.
Moisture Resistance
Rau cov ntawv thov uas muaj qhov chaw ntub dej, xaiv hydrophobic lossis noo noo-resistant PP lim ntawv.
Tshuaj tiv thaiv
Yog tias daim ntawv lim yuav tuaj yeem tiv nrog cov tshuaj, xaiv PP qib uas tuaj yeem tiv taus cov tshuaj no.
Meltblown
Hauv cov kauj ruam no, molten polypropylene yog extruded los ntawm spinneret nrog ntau qhov me me. Cov cua kub siab yog tshuab los ntawm lub qhov, ncab cov polymer rau hauv nyias fibers. Cov fibers no tau sau rau ntawm lub vijtsam txav los ua ib daim ntaub nyias nyias. Cov fibers zoo tsim thaj chaw siab, uas ua rau cov khoom siv zoo heev ntawm kev lim dej.
Spunbond
Lwm txoj hauv kev los tsim cov ntawv lim dej polypropylene yog extrude polypropylene rau hauv cov fibers txuas ntxiv, uas tau muab tso rau hauv cov qauv random thiab sib koom ua ke los ntawm tshav kub. Cov txheej txheem tsim cov ntaub muaj zog thiab ruaj khov dua li cov ntaub meltblown.
Koob Punch
Rau cov ntawv thov kom muaj zog ntxiv, siv rab koob. Cov txheej txheem mechanically entangles cov fibers los ntawm tsav koob los ntawm ib lub web ntawm cov khoom, tsim ib tug tuab, denser ntaub.
Calendering
Cov ntawv lim tuaj yeem ua tau calendered, uas cuam tshuam nrog nias cov khoom ntawm cov menyuam kom ua tiav cov tuab tuab thiab ntom. Cov kauj ruam no kuj txhim kho lub zog thiab smoothness ntawm daim ntawv.
Txheej thiab kev kho mob
Txhawm rau txhim kho cov khoom tshwj xeeb xws li hydrophobicity lossis antibacterial zog, cov ntawv lim tuaj yeem coated nrog ntau yam tshuaj. Qhov no tuaj yeem ua tau los ntawm dipping, txau lossis lwm txoj hauv kev.
Slitting thiab txiav
Tom qab ntau lawm, cov ntawv lim yog txiav mus rau qhov dav dav thiab txiav rau hauv nplooj ntawv lossis yob nyob ntawm qhov kawg siv yuav tsum tau ua.
Daim ntawv thov ntawm PP Air Filter Paper
HVAC System
PP huab cua lim ntawv yog siv rau hauv cua sov, qhov cua thiab cua txias tshuab kom tshem tawm plua plav, paj ntoos, kab mob thiab lwm yam khoom los ntawm huab cua thiab txhim kho huab cua hauv tsev.
Kev lim dej
Nyob rau hauv ntau yam kev lag luam ib puag ncig, PP lim ntawv khaws cov kab mob hauv cov huab cua, tiv thaiv cov cuab yeej, txhim kho cov khoom zoo thiab ua kom cov neeg ua haujlwm nyab xeeb.
Tsheb Cua Lim
Nws yog ib qho tseem ceeb ntawm lub tsheb cabin thiab cav cua lim lim, ntxiab av, plua plav thiab khib nyiab los tiv thaiv kev puas tsuaj thiab ua kom lub cav ua haujlwm zoo.
HEPA thiab ULPA Lim
Cov huab cua ua haujlwm siab (HEPA) thiab ultra-low permeability air (ULPA) lim siv PP daim ntawv lim kom ntes cov khoom me me, suav nrog cov kab mob thiab cov kab mob, ua rau lawv yuav tsum muaj rau chav huv, tsev kho mob thiab chaw kuaj mob.
Cua Purifier
Cov tshuab lim cua hauv tsev thiab kev lag luam siv PP lim kom tshem tawm cov tshuaj tsis haum, haus luam yeeb thiab lwm yam pa phem.
Paints thiab Coatings
PP huab cua lim ntawv yog siv los lim cov khoom hauv cov xim thiab cov txheej txheem, ua kom cov npoo du thiab tiv thaiv qhov tsis xws luag.
Dab tsi yog Eco Friendly Air Filter Paper
Eco-phooj ywg huab cua lim ntawv hais txog cov ntaub ntawv tsim thiab tsim nrog tsawg kawg ib puag ncig cuam tshuam thoob plaws hauv lawv lub neej, los ntawm cov khoom siv raw mus pov tseg lossis rov ua dua tshiab. Cov ntaub ntawv no feem ntau yog tsim los ntawm cov peev txheej ruaj khov, yog biodegradable, lossis tau raug tsim los txo cov khib nyiab thiab txuag hluav taws xob.
Nta ntawm Eco Friendly Cua Lim Ntawv
Lim Efficiency
Ntsuas raws li qhov feem pua ntawm cov khoom ntawm ib qho me me uas tau txais los ntawm lub lim. Piv txwv li, HEPA thiab ULPA cov ntxaij lim dej tuaj yeem ntes 99.97% thiab 99.999% ntawm cov khoom me me li 0.3 microns, feem.
Lub zog tawg
Qhov siab tshaj plaws ntawm cov ntawv lim tuaj yeem tiv taus ua ntej nws tawg. Lub zog tawg siab yog qhov tseem ceeb hauv cov ntawv thov uas lub lim yuav raug cuam tshuam rau kev nce siab hauv siab.
Flow Resistance
Kev tiv thaiv rau airflow los ntawm lub lim. Kev ua haujlwm qis qis tso cai rau airflow ntau dua rau qhov muab siab poob.
Reusability
Eco Friendly Air Filter Paper tuaj yeem tsim los siv ib leeg lossis siv ntau yam. Reusable lim feem ntau muaj cov txheej txheem tshem tawm ntawm cov lim tawm uas tuaj yeem ntxuav thiab hloov pauv.
Daim ntawv thov ntawm Eco Friendly Air Filter Paper

01
HVAC Systems nyob
Hauv tsev cua sov thiab cua txias, eco-phooj ywg huab cua lim ntawv pab txhim kho huab cua sab hauv tsev los ntawm kev ntxiab plua plav, paj ntoos, thiab lwm yam tshuaj tsis haum rau ib puag ncig kev puas tsuaj.

02
Cov tsev lag luam
Rau kev lag luam HVAC systems, cov lim dej no pab tswj huab cua zoo thiab ua tau raws li cov qauv hauv tsev ntsuab, xws li LEED ntawv pov thawj.

03
Muaj Cua Lim
Hauv kev tsim thiab kev lag luam, eco-phooj ywg cov ntxaij lim dej ntes cov pa hauv huab cua, pab tiv thaiv cov khoom siv, txhim kho cov khoom zoo, thiab ua kom cov neeg ua haujlwm muaj kev nyab xeeb thaum txo kev cuam tshuam ib puag ncig.

04
Automotive Cua Lim
Eco-phooj ywg cov ntaub ntawv yog siv nyob rau hauv lub tsheb cabin thiab cav cua lim lim los cuab cov pa paug, txhim kho roj efficiency, thiab txo emissions.
Dab tsi yog Medical Air Filter Paper
Cov ntawv lim cua kho mob yog hom tshwj xeeb ntawm cov lim xov xwm tsim los siv rau hauv kev kho mob thiab kev kho mob ib puag ncig. Nws lub luag haujlwm tseem ceeb yog muab cov huab cua huv huv los ntawm kev ntes thiab tshem tawm cov pa hauv huab cua, suav nrog cov kab mob, kab mob, pwm spores, thiab lwm yam kab mob. Qhov no yog qhov tseem ceeb rau kev tswj kom tsis muaj menyuam nyob hauv chav ua haujlwm, chav tsev neeg mob, chaw kuaj mob, khw muag tshuaj, thiab lwm qhov chaw uas tswj kev kis kab mob yog qhov tseem ceeb.
Lim Efficiency
Saib rau cov ntawv lim dej uas muaj qhov ua tau zoo, xws li Chav Kawm 100 (ISO 5), uas txhais tau tias nws tuaj yeem lim tawm 99.97% ntawm qhov loj me 0.3 micron. Qhov no yog qhov tseem ceeb rau ib puag ncig tsis muaj menyuam.
Particle Size Qib
Xaiv cov ntawv lim uas tsim nyog rau qhov loj ntawm cov khoom uas koj xav tau tshem tawm. Cov chaw kho mob sib txawv yuav xav tau ntau theem ntawm kev pom nyob ntawm seb hom kab mob paug hauv huab cua.
Khoom Compatibility
Xyuas kom tseeb tias cov ntawv lim tau sib haum nrog cov tshuaj tua kab mob, tshuaj ntxuav lossis lwm yam tshuaj uas yuav siv tau rau hauv thaj chaw xa khoom. Nws yuav tsum tsis txhob txo lossis poob nws cov khoom lim dej thaum raug cov tshuaj no.
Airflow Resistance
Xav txog qhov sib npaug ntawm kev pom kev ua haujlwm thiab airflow kuj. Vim yog lub zog siv hluav taws xob siab ntawm HVAC cov tshuab, lub lim dej uas muaj kev tiv thaiv siab heev tuaj yeem ua rau cov nqi khiav lag luam nce ntxiv.
Lub cev kev ncaj ncees
Cov ntawv lim yuav tsum muaj zog txaus los tiv thaiv kev tuav thiab kev teeb tsa yam tsis muaj kua muag lossis tawg. Nws tseem yuav tsum tswj hwm nws cov qauv kev ncaj ncees nyob rau lub sijhawm los tiv thaiv huab cua tsis zoo los ntawm kev hla nws.
Daim ntawv thov ntawm Medical Air Filter Paper

Cov chav phais
Cov chav ua haujlwm cia siab rau daim ntawv lim dej kho mob kom tswj tau qhov chaw tsis muaj menyuam los ntawm kev cuam tshuam cov pa hauv huab cua, suav nrog cov kab mob thiab cov kab mob, uas tuaj yeem ua rau muaj kab mob hauv chaw phais.
Biological Safety Txee
Cov ntaub thaiv npog no siv cov ntawv lim los tiv thaiv cov neeg siv khoom thiab cov khoom siv los ntawm aerosols uas muaj cov khoom lom lom lom. Cov ntawv lim dej ua haujlwm los tiv thaiv kev khiav tawm ntawm cov pa paug thaum sim lossis cov txheej txheem.

Cabin Filter Paper yog dab tsi
Cabin lim ntawv, tseem hu ua cabin air filter paper los yog automotive cabin filter media, yog ib yam khoom siv tshwj xeeb uas siv los tsim cov lim cua lim rau tsheb. Cov lim dej no yog tsim los ntxuav cov huab cua nkag mus rau hauv cov neeg caij tsheb hauv lub tsheb lossis tsheb thauj khoom, tshem tawm cov pa phem, tshuaj tsis haum, plua plav, thiab lwm yam khoom.
Nta ntawm Cabin Filter Paper
High Particulate Filtration Efficiency
Daim ntawv yog tsim los kom ntes tau ntau yam ntawm cov teeb meem, nrog rau cov plua plav, paj ntoos, soot, thiab lwm yam khoom hauv huab cua. Qhov no yog ib qho tseem ceeb rau kev tswj cov huab cua zoo hauv lub tsheb lub cabin.
Electrostatic Charge
Cabin lim ntawv yog electrostatically them, uas txhim khu lawv lub peev xwm los nyiam thiab ntxiab hais. Tus nqi no tso cai rau lub lim kom ntes cov khoom me me tau zoo dua li cov tshuab pom ib leeg.
Tsawg Airflow Resistance
Thaum muab kev pom zoo, cov ntawv lim dej hauv tsev yog tsim los tswj kom tsis txhob muaj cua txias. Qhov no ua kom ntseeg tau tias HVAC system tsis tas yuav ua haujlwm hnyav dua li qhov tsim nyog los kos huab cua los ntawm cov lim dej, yog li txuag lub zog thiab txhim kho kev ua haujlwm ntawm lub cev.
Durability
Cov khoom siv yuav tsum muaj zog txaus los tiv thaiv kev nruj ntawm lub tsheb HVAC system, suav nrog kev vibrations, kub hloov, thiab av noo. Nws tseem yuav tsum tswj hwm nws cov qauv hauv lub sijhawm tsis muaj kev tawg.
Daim ntawv thov ntawm Cabin Filter Paper
Automotive Kev Lag Luam
Daim ntawv thov feem ntau ntawm cov ntawv lim dej hauv tsev yog nyob rau hauv kev tsim cov lim cua hauv tsev rau cov tsheb, tsheb thauj khoom, tsheb npav, thiab lwm yam tsheb. Cov lim dej no tau nruab rau hauv HVAC system thiab yog lub luag haujlwm rau kev lim tawm cov plua plav, paj ntoos, cov pa roj carbon monoxide, thiab lwm yam khoom paug los ntawm huab cua sab nraud ua ntej nws nkag mus rau hauv chav tsev.
Ua liaj ua teb
Hauv cov chaw ua liaj ua teb, cov ntawv lim hauv tsev yuav siv tau rau hauv cov tshuab thiab cov tsheb uas ua haujlwm hauv qhov chaw muaj plua plav kom tsis txhob nqus cov plua plav ua liaj ua teb thiab txhim kho kev nplij siab ntawm tus neeg tsav tsheb.
Kev tsim kho thiab Mining
Cov neeg ua haujlwm hauv kev tsim kho thiab kev tsuas yog siv cov tsheb uas muaj cov lim cua hauv tsev kom txo tau cov pa phem xws li silica plua plav, uas tuaj yeem tsim teeb meem thaum nqus tau.
Kev kho mob thiab kws tshuaj
Cov tsheb siv thauj khoom siv kho mob lossis hauv chaw kho mob tuaj yeem siv cov ntawv lim dej hauv tsev los tsim kom muaj ib puag ncig huv thiab tiv thaiv cov ntaub ntawv rhiab los ntawm cov pa paug.
Off-Road thiab Recreational Vehicles
Cov tsheb khiav tawm thiab tsheb ua si (RVs) tuaj yeem tau txais txiaj ntsig los ntawm cov ntawv lim dej hauv tsev kom cov huab cua hauv huv huv, tshwj xeeb tshaj yog nyob rau hauv qhov chaw muaj plua plav lossis qias neeg.
Pej xeem thauj
Cov tsheb npav thiab lwm yam kev thauj mus los rau pej xeem siv cov lim cua hauv tsev los muab cov neeg caij tsheb nrog huab cua huv dua thiab txo qis kev kis kab mob.
Daim ntawv pov thawj






Cov lus nug nquag
Peb nyob nraum kev lim cov ntaub ntawv manufacturers thiab lwm tus neeg nyob hauv Suav teb, tshwj xeeb hauv kev muab cov kev pabcuam zoo. Peb sov siab txais tos koj rau cov lag luam wholesale high-qib lim cov ntaub ntawv hauv Suav teb nov los ntawm peb lub hoobkas.











