Nws tau dhau 30 xyoo dhau los ntawm kev tsim cov khoom siv hluav taws xob polymer thiab tsim cov dej tsis zoo.Cov kab ntau lawm muaj xws li TPO daim nyias nyias, PVC membtranes, EPDM roj hmab daim nyias nyias, EVA qhov dej tsis muaj ntaub ntawv thiab HDPE geomembranes muaj .Types muaj zog, rov qab fleece, xuab zeb coated, nws tus kheej nplaum, taug kev board thiab lwm yam tshwj xeeb thov tuaj yeem kho kom zoo. .Ib qho kev daws teeb meem yuav ua rau koj cov phiaj xwm raug nqi qis dua thiab cov txiaj ntsig siab dua.Cov khoom lag luam zoo, muaj peev xwm muaj zog, xa khoom sai, cov kev pabcuam tshaj lij yog lub hauv paus tseem ceeb kom tsim nyog ua haujlwm ua ke.Vim li cas ho tsis tiv tauj peb kom paub meej ntxiv?