Yuav ua li cas txiav cov yas ABS cov ntaub ntawv s?

Kev txiav yas ABS cov ntaub ntawv yooj yim nrog cov cuab yeej thiab cov txheej txheem zoo, nyob ntawm seb qhov tuab thiab qhov tseeb xav tau. Nov yog li cas: Rau cov yas nyias cov ntaub ntawv (txog li 1-2 hli): Riam phom siv tau lossis cov cuab yeej kos duab: Kos cov yas cov ntaub ntawv raws tus kav nrog cov kab txiav ruaj khov, rov ua dua kom txog thaum koj txiav ib nrab. Tom qab ntawd khoov ntawm txoj kab kos duab kom kaw kom huv si. Ua kom cov npoo du nrog ntawv xuab zeb yog tias tsim nyog. Txiab lossis cov txiab txiav yas: Rau cov yas nyias heev lossis cov txiav nkhaus, cov txiab txiav hnyav lossis cov txiab txiav ua haujlwm zoo, txawm hais tias cov npoo yuav tsum tau ua tiav. Rau cov yas nruab nrab {[ cov ntaub ntawv cov ntaub ntawv (2-6 hli): Jigsaw: Siv cov hniav me me (10-12 TPI) tsim rau cov yas. Clamp lub yas cov ntaub ntawv rau ntawm qhov chaw ruaj khov, cim koj txoj kab thiab txiav ntawm qhov ceev nruab nrab kom tsis txhob yaj ABS los ntawm kev sib txhuam. Txias cov hniav nrog dej lossis cua yog tias nws kub dhau. Lub tshuab txiav voj voog: Siv rab riam uas muaj cov hniav carbide (muaj cov hniav ntau, 60-80 TPI). Ruaj lub cov ntaub ntawv , txiav qeeb qeeb thiab txhawb nws kom tiv thaiv kev co lossis tawg. Rau cov vaj huam sib luag tuab (

Yas twg zoo dua, cov ntaub ntawv PVC los yog ABS?

Txawm PVC zoo dua los yog ABS zoo dua nyob ntawm koj qhov kev xav tau tshwj xeeb, txhua yam khoom muaj ntau yam zoo sib txawv. PVC yog khoom ruaj khov, pheej yig, thiab tiv taus cov tshuaj lom neeg, dej noo, thiab huab cua, uas ua rau nws zoo tagnrho rau kev siv sab nraum zoov (piv txwv li, cov kav dej, cov ntsa, cov paib). Nws tsis yooj yim hluav taws thiab tsis lwj hauv qab lub teeb UV sai li ABS tsis kho. Txawm li cas los xij, nws tsis tshua tiv taus kev cuam tshuam, tuaj yeem tawg yooj yim hauv qhov txias, thiab tsis yooj yim rau thermoform. ABS, sib piv, yog khoom ruaj khov dua thiab tiv taus kev cuam tshuam ntau dua, txawm tias nyob rau qhov kub qis dua, muaj qhov tiav ci ntsa iab uas ua rau zoo nkauj dua (piv txwv li, cov khoom siv hauv tsheb, khoom siv hluav taws xob, cov qauv). Nws yooj yim dua rau pwm, tshuab, thiab nplaum; txawm li cas los xij, nws tsis tshua tiv taus lub teeb UV (xav tau cov tshuaj stabilizers rau kev siv sab nraum zoov) thiab muaj kev tiv taus cua sov qis dua (yaj ib ncig ntawm 105C piv rau PVC s 80-100C, nyob ntawm hom).

ABS Daim yas yog dab tsi?

ABS (Acrylonitrile Butadiene Styrene) cov ntaub ntawv yog ib hom thermoplastic uas ua tau zoo heev uas paub txog nws qhov kev ruaj khov, qhov nyuaj, thiab kev tiv taus cua sov. Cov thermoplastic no muaj ntau qib, muab ntau yam khoom thiab kev siv. ABS yas cov ntaub ntawv tuaj yeem ua tiav siv txhua txoj kev ua thermoplastic txheem thiab yooj yim rau kev siv tshuab. Cov cov ntaub ntawv no feem ntau siv rau cov khoom siv hluav taws xob, sab hauv tsheb, sab hauv dav hlau, hnab nqa khoom, cov tais , thiab ntau ntxiv. Muaj ntau yam tuab, xim, thiab qhov tiav ntawm qhov chaw, cov cov ntaub ntawv no ua raws li cov qauv zoo thoob ntiaj teb.

Cov txiaj ntsig ntawm cov yeeb yaj kiab polycarbonate yog dab tsi?

Muaj zog thiab tawv thiab zoo heev Kev tiv taus kev cuam tshuam Zoo meej pom kev zoo Kev tiv taus kub zoo Kev rwb thaiv hluav taws xob zoo Kev puas tsuaj, huab cua, thiab tshuaj lom neeg

Cov yeeb yaj kiab polycarbonate siv rau dab tsi?

Cov yeeb yaj kiab polycarbonate siv rau cov roj teeb zog: roj teeb module / cell / PACK, roj teeb cia zog, thiab lwm yam. Cov khoom siv hauv tsheb: Lub dashboard tsheb, vaj huam sib luag zaub, pawg them, daim iav saib tom qab, teeb, kho kom zoo nkauj sab hauv, thiab lwm yam. Cov khoom siv hauv tsev: vaj huam sib luag zaub, vaj huam sib luag tswj, cov khoom dai kom zoo nkauj, cov khoom ua ke, thiab lwm yam. Cov khoom siv hluav taws xob: Laptop, monitor, suab, lub ntsuas hluav taws xob, hloov pauv membrane, vaj huam sib luag rwb thaiv tsev tiv thaiv cov khoom, thiab lwm yam. Cov zaub sib txuas lus: lub xov tooj ntawm tes backplane, lub hau rov qab, lub tsheb-mounted zaub, zaub hluav taws xob, thiab lwm yam. Cov khoom siv tiv thaiv: Lub hnab nqa khoom, lub kaus mom tiv thaiv, cov khoom ua si menyuam yaus, lub ntsej muag cais kev kho mob, tsom iav, lub ntsej muag vuam, tsom iav ua luam dej tsom iav / kaus mom, thiab lwm yam.

Zaj duab xis polycarbonate yog dab tsi?

Zaj duab xis polycarbonate yog ib yam khoom siv thermoplastic ua tau zoo heev uas tau los ntawm cov yas polycarbonate. Nws paub txog nws qhov pom tseeb, tiv taus kev cuam tshuam zoo heev, thiab ruaj khov thermal zoo heev. Tsis tas li ntawd xwb, nws muaj cov khoom siv kho tshuab zoo heev, rwb thaiv hluav taws xob zoo heev, ruaj khov qhov ntev, thiab tiv taus kev nkag mus zoo heev. Cov zaj duab xis polycarbonate siv rau hauv ntau yam lag luam xws li roj teeb hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv tsheb, cov khoom siv hauv tsev, cov zaub sib txuas lus, cov khoom siv tiv thaiv, thiab lwm yam.

Qhov txiaj ntsig ntawm r PET cov ntaub ntawv yog dab tsi?

Tsis muaj tshuaj lom thiab muaj kev nyab xeeb Siab rigidity, hardness thiab lub zog Siab dimensional stability Yooj yim rau thermoform Zoo barrier rau oxygen thiab dej pa Zoo mechanical zog

Puas yog lub r PET cov ntaub ntawv siv tau 100% rov ua dua tshiab?

Yog, cov khoom r PET cov ntaub ntawv thiab r PET yog 100% rov ua dua tshiab tau.

Qhov txawv ntawm r PET thiab PET yog dab tsi?

r PET cov ntaub ntawv yog ib qho polyethylene terephthalate cov ntaub ntawv uas siv rov qab, uas txhais tau tias nws los ntawm cov khib nyiab PET uas cov lag luam thiab cov neeg siv khoom siv rov qab. PET {[ PET cov ntaub ntawv s yog ua los ntawm cov chips tshiab, ib yam khoom siv los ntawm cov roj.

ar PET cov ntaub ntawv yog dab tsi?

r PET cov ntaub ntawv yog ib hom yas uas ruaj khov ua los ntawm cov polyethylene terephthalate uas siv rov qab (r PET ). Cov cov ntaub ntawv PET muaj cov yam ntxwv zoo li cov yas tshiab, xws li lub zog, pob tshab, thiab kev ruaj khov ntawm cua sov. Nws kuj yog cov khoom siv uas cov chaw tsim khoom feem ntau siv los pab ua tiav lawv lub hom phiaj kev ruaj khov.

cpet cov tais yog dab tsi?

CPET cov tais , los yog Crystalline Polyethylene Terephthalate cov tais , yog ib hom khoom ntim khoom noj uas ua los ntawm ib hom khoom siv thermoplastic. CPET paub txog nws txoj kev tiv taus kub thiab txias heev, ua rau nws yog ib qho kev xaiv nrov rau ntau yam kev siv ntim khoom noj.

Puas yog CPET yas tais siv tau rau hauv qhov cub?

Yog, CPET cov yas cov tais siv tau rau hauv qhov cub. Lawv tuaj yeem tiv taus qhov kub ntawm -40C txog 220C (-40F txog 428F), uas tso cai rau lawv siv rau hauv qhov cub microwave, qhov cub ib txwm muaj, thiab txawm tias qhov chaw khaws cia khov.

Qhov txawv ntawm CPET tais thiab PP tais yog dab tsi?

Qhov txawv tseem ceeb ntawm CPET cov tais thiab PP (Polypropylene) cov tais yog lawv tiv taus cua sov thiab cov khoom siv. CPET cov tais tiv taus cua sov ntau dua thiab siv tau rau hauv ob qho tib si microwave thiab cov qhov cub ib txwm muaj, thaum PP cov tais feem ntau siv rau kev siv microwave lossis khaws cia txias. CPET muaj kev ruaj khov zoo dua thiab tiv taus kev tawg, thaum PP cov tais muaj kev ywj pheej ntau dua thiab qee zaum pheej yig dua.

Cov ntim khoom noj twg CPET cov tais siv rau dab tsi?

CPET cov tais yog siv rau ntau yam kev siv ntim khoom noj, suav nrog cov khoom noj uas npaj tiav lawm, cov khoom ci qhob cij, cov khoom noj khov, thiab lwm yam khoom uas yuav lwj tau uas yuav tsum tau rov ua kom sov lossis ua noj hauv qhov cub lossis lub tshuab hluav taws xob microwave.

CPET thiab PET yog ob hom polyesters, tab sis lawv muaj cov khoom sib txawv vim lawv cov qauv molecular. CPET yog ib daim ntawv crystalline ntawm PET , uas ua rau nws muaj zog dua thiab tiv taus qhov kub siab thiab qis dua. PET feem ntau yog siv rau cov fwj dej haus, cov thawv ntim khoom noj, thiab lwm yam kev siv ntim khoom uas tsis xav tau tib qib kev kam rau qhov kub thiab txias. PET yog pob tshab dua, thaum CPET feem ntau yog opaque lossis semi-pob tshab.

Cov Lus Nug Feem Ntau

Yuav ua li cas txiav cov yas ABS cov ntaub ntawv s?

Ib
Kev txiav cov yas ABS cov ntaub ntawv yooj yim nrog cov cuab yeej thiab cov txheej txheem zoo, nyob ntawm seb qhov tuab thiab qhov raug xav tau. Nov yog li cas:

Rau cov cov ntaub ntawv nyias (txog li 1-2 hli):

Riam phom siv tau los yog cov cuab yeej ntaus ntawv: Siv rab pas ntsuas los ntaus cov cov ntaub ntawv kom ruaj khov thiab rov ntaus dua kom txog thaum koj txiav ib nrab. Tom qab ntawd khoov ntawm txoj kab ntaus ntawv kom nws tawg. Siv ntawv xuab zeb los txhuam cov npoo kom du yog tias tsim nyog.

Txiab los yog cov txiab txiav hlau: Rau cov txiav cov ntaub ntawv heev los yog cov txiav nkhaus, cov txiab loj los yog cov txiab txiav hlau ua haujlwm zoo, txawm hais tias cov npoo yuav tsum tau ua kom tiav.

Rau qhov nruab nrab cov ntaub ntawv s (2-6 hli):

Jigsaw: Siv rab riam hniav me me (10-12 TPI) uas tsim los rau cov yas. Tuav lub cov ntaub ntawv rau ntawm qhov chaw ruaj khov, cim koj txoj kab thiab txiav ntawm qhov ceev nruab nrab kom tsis txhob yaj lub ABS los ntawm kev sib txhuam. Txias rab riam nrog dej lossis cua yog tias nws kub dhau.

Lub tshuab txiav voj voog: Siv rab riam uas muaj lub hau carbide (muaj cov hniav ntau, 60-80 TPI). Ruaj lub cov ntaub ntawv , txiav qeeb qeeb thiab txhawb nws kom tsis txhob co lossis tawg.

Rau cov vaj huam sib luag tuab (6mm+):

Lub Tshuab Txiav Rooj: Ib yam li lub tshuab txiav voj voog, siv rab riam hniav me me thiab thawb lub vaj huam sib luag kom mus txog. Siv rab ntxig uas tsis muaj qhov tob kom txo tau qhov tawg.

-Lub tshuab txiav hlau: Zoo rau cov kab nkhaus lossis cov txiav tuab; siv rab riam nqaim, hniav zoo thiab maj mam mus kom tswj tau.

Cov lus qhia dav dav:

Kev Cim: Siv tus cwj mem los yog tus cwj mem nrog tus kav los yog tus qauv.

Kev Nyab Xeeb: Hnav cov tsom iav kev nyab xeeb thiab lub npog ntsej muag - cov hmoov av ABS tuaj yeem ua rau khaus. Ua haujlwm hauv qhov chaw uas muaj cua nkag.

Tswj qhov ceev: Ceev dhau yuav yaj cov yas; qeeb dhau yuav ua rau cov npoo ntxhib. Sim cov khoom seem ua ntej.

Kev Xaus: Siv daim ntawv xuab zeb 120-220 grit los yog siv cov cuab yeej tshem tawm cov npoo.
Cov yas twg zoo dua, cov ntaub ntawv PVC lossis ABS?

Ib
Seb PVC lossis ABS puas yog 'zoo dua' nyob ntawm koj qhov kev xav tau tshwj xeeb - txhua yam khoom muaj cov txiaj ntsig sib txawv.

PVC yog ib yam khoom uas ruaj khov, pheej yig, thiab tiv taus cov tshuaj lom neeg, dej noo, thiab huab cua, uas ua rau nws zoo tagnrho rau kev siv sab nraum zoov (piv txwv li, cov kav dej, cov ntsa, cov paib). Nws tsis yooj yim hluav taws thiab tsis lwj thaum lub teeb UV sai li ABS uas tsis tau kho. Txawm li cas los xij, nws tsis tshua tiv taus kev cuam tshuam, tuaj yeem tawg yooj yim thaum txias, thiab tsis yooj yim rau thermoform.

ABS, qhov sib piv, yog qhov ruaj khov dua thiab tiv taus kev cuam tshuam ntau dua, txawm tias nyob rau hauv qhov kub qis dua, muaj qhov tiav ci ntsa iab uas ua rau kom zoo nkauj dua (piv txwv li, cov khoom siv hauv tsheb, khoom siv hluav taws xob, cov qauv). Nws yooj yim dua rau pwm, tshuab, thiab nplaum; txawm li cas los xij, nws tsis tshua tiv taus lub teeb UV (xav tau cov tshuaj stabilizer rau kev siv sab nraum zoov) thiab muaj kev tiv taus cua sov qis dua (yaj nyob ib puag ncig 105 ° C piv rau PVC 's 80-100 ° C, nyob ntawm hom).
? ABS Daim yas yog dab tsi

ABS (Acrylonitrile Butadiene Styrene) cov ntaub ntawv yog ib hom thermoplastic uas ua tau zoo heev thiab paub txog nws txoj kev ruaj khov, tawv, thiab tiv taus cua sov. Cov thermoplastic no muaj ntau qib, muaj ntau yam khoom thiab kev siv. Yas ABS cov ntaub ntawv tuaj yeem ua tiav siv txhua txoj kev ua thermoplastic thiab yooj yim rau kev siv tshuab. Cov cov ntaub ntawv no feem ntau siv rau cov khoom siv hluav taws xob, sab hauv tsheb, sab hauv dav hlau, hnab nqa khoom, cov tais , thiab ntau ntxiv. Muaj ntau yam tuab, xim, thiab qhov chaw tiav, cov cov ntaub ntawv no ua raws li cov qauv zoo thoob ntiaj teb.
Q Cov txiaj ntsig ntawm cov yeeb yaj kiab polycarbonate yog dab tsi?

Ib
♦ Muaj zog thiab ruaj khov thiab ua tau zoo heev

♦ Kev tiv thaiv kev cuam tshuam siab

♦ Kev pom tseeb zoo

♦ Ua haujlwm kub heev

♦ Kev rwb thaiv hluav taws xob zoo

♦ Tiv taus kev txhuam, huab cua, thiab tshuaj lom neeg
Q Cov yeeb yaj kiab polycarbonate siv rau dab tsi?

Ib daim polycarbonate film yog siv rau

roj teeb zog: roj teeb module/cell/PACK, roj teeb cia zog, thiab lwm yam.

Cov khoom siv tsheb: Lub dashboard tsheb, vaj huam sib luag zaub, them pawg, iav saib tom qab, teeb, kho kom zoo nkauj sab hauv, thiab lwm yam.

cov khoom siv hauv tsev: lub vaj huam sib luag tso saib, vaj huam sib luag tswj, cov khoom dai kom zoo nkauj, cov khoom ua ke, thiab lwm yam.

Cov khoom siv hluav taws xob: Laptop, monitor, audio, electricity meter, membrane switch, panel insulation protection parts, thiab lwm yam.

cov zaub sib txuas lus: lub xov tooj ntawm tes lub nraub qaum, lub hau rov qab, cov zaub teeb tsa hauv tsheb, cov zaub hluav taws xob, thiab lwm yam.

cov khoom siv tiv thaiv: Cov khoom nqa, cov kaus mom tiv thaiv, cov khoom ua si rau menyuam yaus, lub ntsej muag cais tawm kev kho mob, cov tsom iav, lub ntsej muag vuam, cov tsom iav ua luam dejCov tsom iav hnub ci / lub kaus mom, thiab lwm yam.
Zaj duab xis polycarbonate yog dab tsi?

Ib zaj duab xis Polycarbonate yog ib yam khoom siv thermoplastic ua tau zoo heev uas tau los ntawm cov yas polycarbonate. Nws paub txog nws qhov pom tseeb, tiv taus kev cuam tshuam zoo heev, thiab ruaj khov thermal zoo heev. Tsis tas li ntawd, nws muaj cov khoom siv kho tshuab zoo heev, rwb thaiv hluav taws xob zoo heev, ruaj khov qhov ntev, thiab tiv taus kev nkag mus zoo heev. Cov zaj duab xis Polycarbonate siv rau hauv ntau yam lag luam xws li roj teeb hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv tsheb, cov khoom siv hauv tsev, cov zaub sib txuas lus, cov khoom siv tiv thaiv, thiab lwm yam.
Q Qhov txiaj ntsig ntawm r PET cov ntaub ntawv yog dab tsi?

Ib
Tsis muaj tshuaj lom thiab muaj kev nyab xeeb

Kev nruj siab, kev tawv thiab lub zog

Kev ruaj khov siab

Yooj yim rau thermoform

Kev thaiv zoo rau cov pa oxygen thiab dej pa

Cov khoom siv kho tshuab zoo
Q. Puas yog lub r PET cov ntaub ntawv siv tau 100% rov ua dua tshiab?

A Yog, cov khoom r PET cov ntaub ntawv thiab r PET yog 100% rov ua dua tshiab tau.
Q Qhov txawv ntawm r PET thiab PET yog dab tsi?

Ib qho PET cov ntaub ntawv yog ib qho polyethylene terephthalate cov ntaub ntawv uas rov ua dua tshiab, uas txhais tau tias nws los ntawm cov khib nyiab PET uas cov lag luam thiab cov neeg siv khoom siv rov ua dua tshiab. PET {[ PET cov ntaub ntawv s yog ua los ntawm cov chips tshiab, ib yam khoom siv los ntawm cov roj.
Q ar PET cov ntaub ntawv yog dab tsi?

Ib qho yas uas ruaj khov ua los ntawm cov polyethylene terephthalate uas siv rov qab (r PET PET cov ntaub ntawv . Cov cov ntaub ntawv no muaj cov khoom zoo li cov PET tshiab, xws li lub zog, pob tshab, thiab kev ruaj khov thermal. Nws kuj yog cov khoom siv uas cov chaw tsim khoom feem ntau siv los pab ua tiav lawv lub hom phiaj kev ruaj khov.
Cov cpet cov tais yog dab tsi?

Ib CPET cov tais , lossis Crystalline Polyethylene Terephthalate cov tais , yog ib hom ntim khoom noj ua los ntawm ib hom khoom siv thermoplastic. CPET paub txog nws txoj kev tiv taus kub thiab txias heev, ua rau nws yog ib qho kev xaiv nrov rau ntau yam kev siv ntim khoom noj.
Puas yog CPET yas tais siv tau rau hauv qhov cub?

A Yog, CPET cov yas cov tais siv tau rau hauv qhov cub. Lawv tuaj yeem tiv taus qhov kub ntawm -40°C txog 220°C (-40°F txog 428°F), uas tso cai rau lawv siv rau hauv qhov cub microwave, qhov cub ib txwm muaj, thiab txawm tias qhov chaw khaws cia khov.
Q Qhov txawv ntawm CPET tais thiab PP tais yog dab tsi?

A Qhov txawv tseem ceeb ntawm CPET cov tais thiab PP (Polypropylene) cov tais yog lawv tiv taus cua sov thiab cov khoom siv. CPET cov tais tiv taus cua sov ntau dua thiab siv tau rau hauv ob qho tib si microwave thiab cov qhov cub ib txwm muaj, thaum PP cov tais feem ntau siv rau kev siv microwave lossis khaws cia txias. CPET muaj kev ruaj khov zoo dua thiab tiv taus kev tawg, thaum PP cov tais muaj kev ywj pheej ntau dua thiab qee zaum pheej yig dua.
Cov ntim khoom noj dab tsi CPET cov tais siv rau dab tsi?

Cov CPET cov tais yog siv rau ntau yam kev siv ntim khoom noj, suav nrog cov khoom noj uas npaj txhij lawm, cov khoom ci qhob cij, cov khoom noj khov, thiab lwm yam khoom uas yuav lwj tau uas yuav tsum tau rov ua kom sov lossis ua noj hauv qhov cub lossis lub tshuab hluav taws xob microwave.
Q CPET vs PET

A CPET thiab PET yog ob hom polyesters, tab sis lawv muaj cov khoom sib txawv vim lawv cov qauv molecular. CPET yog ib daim ntawv crystalline ntawm PET , uas ua rau nws muaj zog dua thiab tiv taus qhov kub siab thiab qis dua. PET feem ntau yog siv rau cov fwj dej haus, cov thawv ntim khoom noj, thiab lwm yam kev siv ntim khoom uas tsis xav tau tib qib kev kam rau qhov kub thiab txias. PET yog pob tshab dua, thaum CPET feem ntau yog opaque lossis semi-pob tshab.

PIB IB QHO RFQ TXOG KEV PAUB TXOG

Cia Peb Nrhiav Kev daws teeb meem yas uas tsim nyog

Nrhiav cov yas cov ntaub ntawv , zaj duab xis, ntim khoom noj, lossis kev daws teeb meem uas haum rau koj? Qhia rau peb paub koj cov khoom siv, qhov loj me, ntau npaum li cas, thiab cov kev xav tau ntawm daim ntawv thov. Peb pab neeg yuav pab koj xaiv cov khoom zoo thiab muab tus nqi sib tw.

√ Daim ntawv thov thiab cov txheej txheem hloov pauv
√ Thickness, dav thiab yob hom ntawv
√ Xim, qhov tseeb thiab qhov chaw tiav
√ Kev ua haujlwm, cov ntaub ntawv, qhov ntau thiab qhov chaw mus

Thov Peb Qhov Kev Hais Lus Zoo Tshaj Plaws

Thov Peb Qhov Kev Hais Lus Zoo Tshaj Plaws

*Koj Lub Npe

*Lub Npe Tuam Txhab

*Chaw Nyob Email

*Xov tooj / WhatsApp

*Hom Lag Luam / Hom Neeg Yuav Khoom

Tus Khoom Chaw Tsim Khoom Lag Luam Muag Wholesale Tus Kheej Siv

*Koj Qhov Kev Xav Tau Tshwj Xeeb

Peb cov kws tshaj lij txog cov ntaub ntawv yuav pab txheeb xyuas qhov kev daws teeb meem zoo rau koj daim ntawv thov, muab cov lus hais thiab lub sijhawm ua tiav.

Email: chenxiangxm@hgqyplastic.com

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