SPONGE Rubber Sheet
Thib ob, hauv kev lag luam tsheb, daim txhuam cev roj hmab feem ntau yog siv los ua cov hlua khi rau lub tsheb qhov rooj thiab qhov rais thiab ua lub rooj zaum cov khoom siv vim nws cov elasticity siab thiab hnav tsis kam.
- Khoom Taw qhia
Crestmat yog cov khoom siv roj hmab thiab cov khoom siv roj hmab hauv Suav teb. Lub Hoobkas tau mob siab rau hauv tshwj xeeb roj hmab compounding rau ntau tshaj 30 xyoo. Cov khoom lag luam feem ntau suav nrog cov khoom siv roj hmab xws li fluorosilicone (FVMQ), arylate roj hmab (ACM), Hydrogenated Nitrile (HNBR), fluoroelastomer (FKM) thiab cov khoom siv roj hmab xws li HNBR ntawv, FKM ntawv, fluorosilicone ntawv thiab roj hmab extruded khoom xws li fkm o nplhaib qaum, HNBR roj hmab qaum, fkm profile thiab zoo ffkm oring. Cov khoom siv dav siv hauv aviation, tsheb, roj av, marine, semi-condutor thiab ntau lwm yam. Roj hmab compounding Hoobkas yog zoo equiped nrog Nyiv-ua banburies, ob-cov menyuam mixers, tshuaj tiv thaiv kettle, strainer; cov khoom siv roj hmab Hoobkas yog nruab nrog Rotocure tshuab, xovxwm tshuab, extruder. Lub chaw kuaj mob tau nruab nrog Rheometer, Hardness Testor, Elongation Testor, Rotary Viscosimeter, Biochemitry Incubator.
Vim Li Cas Xaiv Peb
Khoom siv Advanced
Roj hmab compounding Hoobkas yog zoo equiped nrog Nyiv-ua banburies, ob-cov menyuam mixers, tshuaj tiv thaiv kettle, strainer; cov khoom siv roj hmab Hoobkas yog nruab nrog Rotocure tshuab, xovxwm tshuab, extruder.
Pab neeg tshaj lij
Cov khoom siv FKM yog nruab nrog 3 cov kab ntau lawm, ib qho rau precompounds, ib qho rau cov tebchaw dub, ib qho rau cov yeeb yuj. Lub peev xwm siab tshaj plaws rau fluoroelastomer compound thiab polymer yog 4800 tons hauv ib xyoos.
Siab Zoo
Hauv peb daim ntawv pov thawj Reeaserch thiab Kev Txhim Kho, peb muaj lub chaw kuaj xyuas ua haujlwm nrog cov txheej txheem tag nrho ntawm kev ntsuas tshuab. Ntawm no peb tuaj yeem tsim cov qauv tshiab thiab tseem kuaj cov khoom rheological thiab lub cev lub cev rau txhua pawg ntawm kev txiav txim.
Cov kev pabcuam customized
Roj hmab compounding Hoobkas yog zoo equiped nrog Nyiv-ua banburies, ob-cov menyuam mixers, tshuaj tiv thaiv kettle, strainer; cov khoom siv roj hmab Hoobkas yog nruab nrog Rotocure tshuab, xovxwm tshuab, extruder. Lub chaw kuaj mob tau nruab nrog Rheometer, Hardness Testor, Elongation Testor, Rotary Viscosimeter, Biochemitry Incubator.
Cov ntaub ntawv roj hmab silicone yog siv dav hauv kev ua haujlwm siab xws li aerospace, electronics, thiab khoom siv kho mob.
Nitrile roj hmab daim ntawv muaj roj kuj, hnav tsis kam, acid thiab alkali tsis kam, thiab lwm yam, thiab kuj muaj huab cua tsis kam thiab corrosion kuj.
EPDM roj hmab daim ntawv muaj cov huab cua zoo heev, tiv thaiv tshav kub thiab corrosion kuj, thiab kuj muaj elasticity zoo thiab txhua yam muaj zog.
SBR roj hmab ntawv yog cov khoom siv roj hmab hluavtaws ua los ntawm styrene thiab butadiene.
Fluorine roj hmab daim ntawv muaj cov tshuaj tiv thaiv zoo heev, kub tsis kam, roj tsis kam, acid thiab alkali tsis kam thiab oxidation tsis kam, thiab tseem muaj zog txhua yam thiab hluav taws xob rwb thaiv tsev ua haujlwm.
HNBR roj hmab daim ntawv muaj zoo thermal stability, roj kuj, acid thiab alkali tsis kam thiab ozone kuj, thiab kuj muaj zoo mechanical zog thiab hnav tsis kam.
Fluorosilicone roj hmab ntawv feem ntau yog siv rau hauv cov ntawv thov uas huab cua kub, roj, roj, thiab lwm yam tshuaj muaj txiaj ntsig zoo li nws paub tias tiv thaiv kev tawm tsam los ntawm cov ntaub ntawv no.
Daim txhuam cev roj hmab feem ntau yog siv rau hauv ntau yam kev siv xws li sealing, rwb thaiv tsev kub, suab rwb thaiv tsev, kev poob siab thiab gaskets. Nws cov txiaj ntsig muaj xws li siab compressive thiab elastic zog, zoo heev thermal rwb thaiv tsev zog, zoo suab haum zog, thiab zoo heev poob siab kuj.
SPONGE Rubber Sheet yog dab tsi?
Daim txhuam cev roj hmab, tseem hu ua cov roj hmab nthuav dav, yog cov khoom siv ntau yam thiab ua haujlwm zoo uas pom tau siv dav hauv ntau qhov kev lag luam. Ua los ntawm cov roj hmab hluavtaws thiab cov khoom siv silicone, daim txhuam cev roj hmab muaj ib qho kev nthuav dav ntawm tes uas hloov tau thiab hloov tau. Nws yog feem ntau tsim nrog lub kaw-cell qauv yog li tsis nqus dej thiab siv tau los nres dej ingress. Daim txhuam cev seals tsim los ntawm cov ntaub ntawv no qhia tau hais tias ib theem ntawm kev ua haujlwm ntev uas ua tau raws li qhov xav tau ntawm ntau hom kev siv sealing. Raws li qhov tsim nyog rau kev tsim cov ntsaws ruaj ruaj, nws tuaj yeem siv rau kev poob siab-absorbing thiab cushioning.
Cov txiaj ntsig ntawm Sponge Rubber Sheet
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm daim txhuam cev roj hmab yog nws lub peev xwm los compress thiab sau qhov tsis sib xws. Thaum nyob nruab nrab ntawm ob qhov chaw, daim txhuam cev yog mos mos kom yooj yim squash los tsim cov ntsaws ruaj ruaj uas nres qhov nkag ntawm dej, av thiab huab cua. Daim txhuam cev foob yuav tsum rov qab mus rau nws qhov qub duab thiab qhov ntev thaum lub compression tau raug tshem tawm. Txawm li cas los xij, kev compression ntau dhau tuaj yeem ua rau muaj kev cuam tshuam tas mus li ntawm lub foob. Qhov no yog hu ua compression set uas hais txog deformation los yog poob ntawm thickness tau ntsib los ntawm cov khoom uas tau raug quab yuam ntau dhau lub sij hawm ntev. Cov txheej txheem compression tuaj yeem zam tau los ntawm kev kho lub zog compression kom cov ntu ntu ntu yog compressed los ntawm kwv yees li ib feem peb.
Daim txhuam cev roj hmab tuaj yeem tsim nrog cov qauv qhib lossis kaw-cell. Txawm hais tias ob qho tib si cov ntaub ntawv nthuav tawm qhov zoo sib xws, lawv muaj cov khoom sib txawv uas ua rau lawv haum rau kev siv sib txawv. Qhib-cell daim txhuam cev yog softer, permeable rau dej thiab muaj tsawg tsis kam rau compression. Qhov no muaj txiaj ntsig zoo rau cov ntawv thov xws li nqus thiab txo cov suab nrov, tab sis muaj cov kev txwv pom tseeb rau kev tsim cov ntsaws ruaj ruaj ruaj ruaj.
Feem ntau ntawm cov khoom tsim los ntawm kaw-cell daim txhuam cev cov ntaub ntawv roj hmab cov ntaub ntawv yog siv los ua cov kev daws teeb meem los tiv thaiv cov dej nkag. Raws li kaw-cell sponge yog inherently resistant rau nqus dej thiab lwm yam kua, nws yog haum rau sab nraum zoov sealing daim ntaub ntawv, raws li zoo raws li nyob rau hauv ib puag ncig uas raug rau ya raws yog ib qho kev txhawj xeeb.
Qhov ceev thiab qhov hnyav ntawm daim txhuam cev roj hmab, txawm tias nyob rau hauv daim ntawv qhib-cell lossis kaw-cell, yog qis dua li cov khoom sib piv, xws li cov khoom siv roj hmab, yas thiab hlau. Qhov hnyav ntawm daim txhuam cev yog qhov zoo hauv kev lag luam uas qhov hnyav yog qhov tseem ceeb. Raws li feem ntau cov sponge ntsaws ruaj ruaj yog tsim los ntawm cov ntaub ntawv kaw, lawv kuj yog buoyant thiab haum rau flotation li los yog marine daim ntaub ntawv.
Cov qauv ntawm tes ntawm ob daim ntawv roj hmab ua npuas ncauj thiab daim txhuam cev roj hmab muaj ntau txhiab ntawm kev sib cuam tshuam, npuas zoo li cov hlwb tsim los ntawm kev qhia cov roj lossis cov tshuaj ncaj qha rau hauv cov khoom siv polymeric thaum nyob hauv nws lub xeev cov kua. Raws li cov polymer cools thiab hardens, nyob ntawm tus txheej txheem, npuas tsim nyob rau hauv ob qho tib si qhib-cell los yog kaw-cell units, txhais tau hais tias lub hlwb muaj peev xwm tuav tau huab cua los yog tso cai rau nws txoj kev.
Tshwj xeeb tshaj yog, cov roj hmab ua npuas dej yog tsim los ntawm kev ua kom cov tshuaj lom neeg lossis cov khoom siv roj nrog lub tshuab ua kom cov pa npuas hauv cov kua dej sib xyaw ua ke. Cov kua sib tov rau cov roj hmab ua npuas dej muaj xws li cov kua polymers (Polyols, Polyisocyanates), dej, thiab xim xim. Cov tshuaj muaj pes tsawg leeg ntawm cov kua polymers thiab hom gases txiav txim siab npaum li cas ntawm cov roj hmab ua npuas ncauj yuav ua tau yooj yim los yog nruj. Cov pa roj carbon dioxide yog siv los ua cov npuas dej hloov tau, hos hydrofluorocarbons (HFCs) thiab hydrochlorofluorocarbons (HCFCs) gases yog siv los tsim cov roj hmab ua npuas ncauj ntau dua. Cov ntaub ntawv ua npuas ncauj yog tsim los ntawm cov polymers xws li polyurethane, polyethylene, EPDM roj hmab, silicone, PVC / Nitrile, Neoprene ntawv, thiab acrylic, thiab lwm yam.
Sponge rubbers, feem ntau, yog ua los ntawm cov elastomeric compounds xws li silicone, neoprene, EPDM, nitrile, thiab lwm yam ntaub ntawv. Zoo li cov roj hmab ua npuas ncauj, cov qauv ntawm tes ntawm daim txhuam cev roj hmab muaj kev sib tshuam, npuas zoo li cov hlwb uas yog qhib-cell lossis kaw-cell. Cov ntaub ntawv qhib-cell tso cai rau huab cua, dej, thiab lwm yam tshuaj mus dhau. Cov qauv ntawm tes qhib yog tsim los ntawm kev ntxiv sodium bicarbonate rau hauv cov pwm kub nrog lwm cov khoom xyaw. Cov tshuaj tiv thaiv tsim npuas thiab tso tawm cov pa roj carbon dioxide, ua rau cov khoom nthuav dav thiab tsim cov voids, ua rau cov khoom siv zoo li daim txhuam cev nrog cov qauv ntxeem tau. Elastomers siv rau qhib-cell sponge profiles muaj xws li polyurethane, polyester, thiab polyether.
Kaw-cell sponge roj hmab tsis tso cai rau kev nkag ntawm cov pa roj los yog kua, uas, yog li ntawd, ua rau cov khoom denser. Cov hlwb kaw yog tsim los ntawm kev ntxiv cov hmoov tshuaj uas decomposes thaum rhuab, tsim cov roj nitrogen uas ua rau lub hlwb thiab muab cov khoom xav tau lub zog thiab ntom. Daim txhuam cev roj hmab tuaj yeem tsim nrog qhov sib txawv, los ntawm muag muag mus rau nruab nrab lossis ruaj khov. Qhov ntau ntawm elastomeric compounds rau kaw-cell daim txhuam cev roj hmab suav nrog EPT, EVA, nitrile roj hmab, silicone, Neoprene, EPDM, PVC daim txhuam cev, thiab SBR daim txhuam cev. Polyethylene thiab polyurethane kuj tseem siv rau hauv kev siv.
Hom SPONGE Rubber Sheet
Nitrile Roj Hmab Sheet
Nitrile roj hmab ntawv yog cov khoom siv roj hmab uas tau lees paub rau nws qhov tshwj xeeb tiv thaiv cov roj thiab roj, dav siv nyob rau hauv ib puag ncig uas raug rau cov khoom siv roj av yog ib qho kev txhawj xeeb tseem ceeb. Muaj kev tiv thaiv zoo heev rau cov roj thiab roj, nitrile yog qhov kev xaiv zoo tshaj plaws nyob rau hauv ib puag ncig nrog kev tiv thaiv tsis tau nrog cov khoom siv roj av.
01
EPDM Roj Hmab Sheet
Ethylene Propylene Diene Monomer (EPDM) cov ntawv roj hmab yog cov roj hmab uas muaj npe nrov rau nws zoo heev tiv taus huab cua, ozone, thiab UV raug. Qhov zoo tshaj plaws rau cov vov tsev, cov ntsaws ruaj ruaj sab nraum zoov, thiab cov ntawv thov dej, EPDM ua kom muaj kev ruaj khov nyob rau hauv ib puag ncig sib txawv.
02
Silicone Rubber Sheet
Silicone roj hmab cov ntaub ntawv tau txais txiaj ntsig zoo rau lawv cov khoom siv ntau yam thiab cov khoom tshwj xeeb, nthuav tawm cov kev hloov pauv tau zoo, ua haujlwm tau zoo, thiab kub ua haujlwm. Qhov tseem ceeb, silicone roj hmab feem ntau pom zoo los ntawm FDA, ua rau nws yog cov khoom siv ntseeg siab rau cov ntawv thov hauv cov khoom noj thiab kev kho mob.
03
Ntuj Rubber Sheet
Qhov yooj thiab kub tsis kam ntawm silicone ua rau nws haum rau ntau yam kev siv. Nws qhov kev pom zoo FDA pom zoo qhia txog nws txoj kev nyab xeeb rau kev siv khoom noj khoom haus thiab kev siv kho mob. Silicone roj hmab tswj nws cov khoom thoob plaws qhov kub thiab txias, ua kom muaj kev ruaj ntseg hauv ntau qhov chaw.
04
Fluorosilicon Rubber Sheet
Fluorosilicone roj hmab nplooj ntawv sawv tawm rau lawv qhov kev ua tau zoo tshwj xeeb, tshwj xeeb hauv cov xwm txheej nyuaj. Lawv ua tau zoo ntawm qhov kub tsis tshua muaj siab, ua tau zoo dua lwm yam roj hmab ntau yam, thiab muaj kev tiv thaiv zoo tshaj rau cov roj hluav taws xob tsis zoo, roj, thiab cov tshuaj roj av.
05
Daim ntawv thov ntawm daim txhuam cev roj hmab yog qhov dav thiab nws tau siv dav hauv ntau qhov kev lag luam.
Ua ntej, hauv kev lag luam kho kom zoo nkauj hauv tsev, daim txhuam cev roj hmab feem ntau yog siv los ua cov khoom siv kho kom zoo nkauj rau hauv pem teb, phab ntsa, thiab qab nthab vim nws zoo suab rwb thaiv tsev, rwb thaiv tsev kub, thiab waterproofing zog.
Thib ob, hauv kev lag luam tsheb, daim txhuam cev roj hmab feem ntau yog siv los ua cov hlua khi rau lub tsheb qhov rooj thiab qhov rais thiab ua lub rooj zaum cov khoom siv vim nws cov elasticity siab thiab hnav tsis kam.
Thib peb, hauv cov khoom siv kis las, xws li yoga lev thiab siv lub tshuab ua haujlwm, daim txhuam cev roj hmab feem ntau yog siv los ua raw khoom.
Txawm hais tias daim txhuam cev roj hmab muaj ntau qhov zoo, tseem muaj qee qhov teeb meem hauv nws daim ntawv thov tiag tiag.Piv txwv, vim nws cov khoom muag, nws tau yooj yim compressed thiab hnav los ntawm sab nraud rog, ua rau nws cov duab thiab loj hloov.
Ua ntej, peb tuaj yeem txhim kho lub zog thiab hnav tsis kam ntawm daim txhuam cev roj hmab board los ntawm kev txhim kho cov txheej txheem ntau lawm, ua kom nws zoo dua rau ntau yam kev thov ib puag ncig.
Thib ob, peb tuaj yeem ntxiv cov nplaim hluav taws kub hnyiab rau daim txhuam cev roj hmab los txhim kho nws qhov hluav taws kub thiab xyuas kom nws muaj kev nyab xeeb siv hluav taws.
Ntxiv mus, peb tuaj yeem siv tag nrho cov txiaj ntsig ntawm daim txhuam cev roj hmab board los ntawm kev txhim kho cov qauv tsim thiab kev tsim kho, thiab zam qhov tsis zoo ntawm nws qhov tsis zoo ntawm kev tsim kho.
Dab tsi yog qhov txawv ntawm daim txhuam cev roj hmab thiab ua npuas ncauj roj hmab?
Nws tuaj yeem nyuaj rau pom qhov txawv ntawm daim txhuam cev roj hmab thiab cov roj hmab ua npuas ncauj thaum nws los txog rau cov neeg siv khoom nruab nrab. Tias yog vim hais tias ob lo lus feem ntau siv sib hloov, tab sis lawv cov ntawv thov sib txawv heev vim lawv cov molecular tsim thiab cov txiaj ntsig rau cov neeg siv.
Ua npuas ncauj roj hmab yog cov qauv cua puv thiab feem ntau yog ua los ntawm Polyurethane lossis Latex (PVC). Raws li nws cov hlwb yog cov txheej txheem nruj, nws ua tau zoo heev raws li lub suab thiab / lossis lub cev cuam tshuam dampener. Tias yog vim li cas ib qho ntawm nws txoj kev siv tseem ceeb yog kev tsim cov ntaub pua tsev, vim tias cov roj hmab ua npuas ncauj tau paub zoo txog nws cov kav ntev, kev laus thiab kev ua haujlwm ntev. Nws kuj yog lub teeb yuag, muaj kev ua tau zoo ntawm cushioning thiab nws muaj zog heev.
Lwm yam kev siv yog cov iav tiv thaiv thiab xa cov ntaub qhwv, lub hnub visors, cov ntsaws ruaj ruaj thiab gaskets, thiab lub teeb thiab plua plav seals rau lub tsev.
Muaj ob lub ntsiab ntawm daim txhuam cev roj hmab uas feem ntau hu ua kaw cell thiab qhib cell, thiab feem ntau yog tsim los ntawm polyethylene ua npuas ncauj.
Kaw cell sponge roj hmab tsis tso cai rau cov dej, huab cua, plua plav, thiab lwm yam tshuaj los ntawm nws qhov kev sib cais, kaw hnab ris. Nws muaj kev tiv thaiv zoo rau UV thiab vim nws cov khoom kaw ntawm tes, nws yog ib tus neeg sib tw zoo tshaj plaws rau kev siv sab nraum zoov hauv qhov chaw kub thiab txias. Nws kuj yog qhov tshwj xeeb ruaj khov uas txhais tau tias nws muaj hnub nyoog zoo, thiab nws tsis tshua degrade thaum lub sijhawm.
Nws ua haujlwm zoo kawg nkaus li qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob Tsis txhob hais txog nws lub peev xwm hauv suab nrov thiab kev vibration dampening thiab nws siv rau cushioning. Kaw cell polyethylene feem ntau yog siv nyob rau hauv Aviation thiab Aerospace kev lag luam rau aircraft zaum vim nws durability, kev nplij siab thiab lub teeb yuag zog.
Qhib cell sponge roj hmab los yog ua npuas ncauj yog feem ntau siv nyob rau hauv daim ntawv thov niaj hnub uas peb siv raws li cov neeg siv khoom. Qhib lub xovtooj tau qhib, cov hnab ris sib txuas uas tso cai rau kev nkag mus ntawm dej, huab cua, thiab lwm yam tshuaj thaum lub sponge roj hmab tsis tau compressed. Qhov ntawd txhais tau hais tias qhib cell sponge roj hmab feem ntau yog siv rau hauv cov ntawv thov uas cov ntsiab lus yuav tsum tau nqus.
Qhib cell sponge roj hmab soaks cov kua thiab ces ntxiab nws kom txog thaum compressed. Xav txog nws txoj kev siv rau hauv cov hom phiaj dav dav sponges, daim txhuam cev daim ntaub, chav ua noj phuam, cosmetic foundation applicators, aquatic filtration, thiab lwm yam.
Cov txheej txheem ntawm kev tsim khoom nthuav dav SPONGE Rubber Sheet cov khoom lag luam suav nrog kev ntxiv cov khoom ntxiv, xws li cov tshuaj tua kab mob thiab cov tsuj roj, rau cov roj hmab nyoos. Qhov sib xyaw ua ke yog ces mechanically whipped uas pab tusyees faib tus neeg sawv cev foaming thoob plaws hauv lub compound. Cov foaming neeg ua hauj lwm tso tawm roj thaum rhuab uas tsim npuas nyob rau hauv cov khoom. Cov txheej txheem no tsim cov qauv cellular nyob rau hauv cov roj hmab, uas ua rau lub kaw-cell spongy zoo nkauj. Cov kauj ruam tsim nyog yuav txawv me ntsis nyob ntawm seb cov khoom siv roj hmab tshwj xeeb thiab nws daim ntawv thov.
Qhov no SPONGE Rubber Sheet compound tuaj yeem siv los tsim cov ntawv extruded, gaskets lossis cov ntawv tiaj tus. Extruded sponge seals yog tsim los ntawm kev thawb cov khoom siv roj hmab xaiv los ntawm cov cuab yeej extrusion (paub tias yog tuag). Cov txheej txheem no ua tiav siv lub tshuab extruder uas siv lub siab thiab qhov kub thiab txias los extrude cov duab yuav tsum tau ua. Lub tshav kub thaum lub sij hawm txoj kev no ua rau cov foaming agents tso gases thiab tsim ib tug kaw cellular qauv nyob rau hauv cov roj hmab. Daim txhuam cev cov ntsaws ruaj ruaj uas tsim los siv txoj kev no muaj cov tawv nqaij glossy yog li siv tau rau cov ntawv thov uas cov khoom yuav pom.
SPONGE Rubber Sheet tuaj yeem muab tau rau hauv qhov ntev txiav. Cov txheej txheem no pib los ntawm nchuav cov roj hmab uas xaiv rau hauv lub tank loj, feem ntau 2 meters dav los ntawm 1 meter ntev. Qhov no tsim ib qho loj ntawm cov roj hmab uas tuaj yeem hlais horizontally mus rau qhov xav tau tuab. Cov nplooj ntawv duab plaub no yog vulcansed kawg-rau-kawg los tsim ib qhov ntev 6 meter ntev uas yog ua tib zoo dov rau hauv 'log' thiab txiav siv lub tshuab txiav kom dav.
Nws muaj peev xwm siv cov nplaum rov qab rau feem ntau cov sponge seals thiab sawb thaum lub sijhawm tsim khoom.
Peb lub Hoobkas
Crestmat yog cov khoom siv roj hmab ua tau zoo thiab cov khoom siv roj hmab hauv Suav teb. Lub Hoobkas tau mob siab rau hauv tshwj xeeb roj hmab compounding rau ntau tshaj 30 xyoo.
FAQ
Cim npe nrov: sponge roj hmab ntawv, Tuam Tshoj sponge roj hmab ntawv manufacturers, lwm tus neeg, Hoobkas
