Synthetic khoom ntawm yas ntim raw khoom PVC
Jan 03, 2023
Tso lus
Polyvinyl chloride (polyvinyl chloride), hu ua PVC, yog cov thermoplastic resin. Polyvinyl chloride yav tom ntej kuj tseem muaj ntau yam yav tom ntej nrog polyvinyl chloride ua cov ntsiab lus.
