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PVC ua npuas ncauj boards yog siv nyob rau hauv txhua qhov chaw ntawm lub neej, tshwj xeeb tshaj yog nyob rau hauv lub tsev cov ntaub ntawv. Koj puas paub tias muaj teeb meem dab tsi tshwm sim thaum tsim cov PVC ua npuas ncauj? Hauv qab no, tus editor yuav qhia koj txog lawv. Raws li qhov sib txawv foaming piv, nws tuaj yeem muab faib ua cov foaming siab thiab qis foaming. Ac...Nyeem ntxiv»
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PVC boards, tseem hu ua cov yeeb yaj kiab zoo nkauj thiab cov yeeb yaj kiab nplaum, yog siv ntau yam lag luam xws li cov khoom siv hauv tsev, ntim khoom, thiab tshuaj. Ntawm lawv, kev lag luam cov ntaub ntawv hauv tsev suav nyiaj ntau dua, 60%, ua raws li kev lag luam ntim khoom, thiab ntau lwm yam me me appl ...Nyeem ntxiv»