Polyvinyl chloride yeeb nkab, kuj thov pvc yeeb nkab, yog cov tubing uas thermal plasticity siab polymer uas tsim los ntawm polymerization ntawm vinyl choride monomer yog tsim, siv polyvinyl chloride (PVC) RESINS raws li cov khoom siv tseem ceeb, ntxiv cov tshuaj tiv thaiv tsim nyog, cov khoom kho tus neeg sawv cev. etc., cov...
Nyeem ntxiv