WPC pawg thawj coj saib yog dab tsi? 1. WPC pawg thawj coj yog ib qho kev xaiv niaj hnub no ntawm cov ntoo/ntoo ntoo ib txwm muaj thiab tam sim no, uas yog (ntoo yas sib xyaw ua ke) .it yog cov khoom siv nrov tshaj plaws thiab nyiam tshaj rau kev lag luam lossis hauv tsev, sab nrauv lossis sab hauv siv xws li cladding, railings, fencing, louvers thiab lwm yam ...
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