Kev lag luam, ntau yam polyvinyl chloride (PVC, lossis yas) yog siv rau ntau yam kev siv hauv tsev thiab kev tsim kho, kev kho mob, hluav taws xob, tsheb thiab lwm yam, hauv cov khoom xws li cov kav dej thiab sab hauv, cov hnab ntim ntshav thiab tubing, rau hlau thiab cable rwb thaiv tsev, cov khoom siv hluav taws xob thiab lwm yam.
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Post lub sij hawm: Lub Xya hli ntuj-27-2022