Iindidi zeevalvu zeplastiki ehlabathini ikakhulu ziquka ivalve yebhola, ivalve yebhabhathane, ivalve yokukhangela, ivalve yediaphragm, ivalve yesango kunye neglowubhu.Iifom zesakhiwo ziquka ikakhulu iindlela ezimbini, iindlela ezintathu kunye neevalve zeendlela ezininzi.Izinto ekrwada ikakhulu ziquka ABS, PVC-U, PVC-C, PB, PE, PP kunye PVDF.Kwi...
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