Anyị tumadi ime PVC uko ụlọ panel, mgbidi ogwe, WPC ụzọ okpokolo agba, windo, trunking extruder igwe. Dị ka anyị niile maara, PVC (polyvinyl chloride) bụ plastik na-ekpo ọkụ, na nkwụsi ike ya adịghịkwa mma. N'okpuru omume nke okpomọkụ na ọkụ, ọ dị mfe de-HCl reactio ...
GỤKWUO