Ukwakhiwa kwepayipi le-PVC kuqukethe: I-PVC resin, isilungisi somthelela, isizinzisi, isilungisi esicubungulayo, isigcwalisi, umbala kanye nesigcobo sangaphandle.1. I-PVC resin Ukuze uthole ipulasitiki esheshayo nefanayo, indlela yokumiswa kufanele isetshenziselwe ukukhulula inhlaka.——I-resin esetshenziselwa udonga oluphindwe kabili...
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