Haum rau pob tw fusion vuam ntawm cov kav dej yas thiab fittings ua los ntawm PE, PP, thiab PVDF hauv kev tsim kho lossis kev cob qhia.
Haum rau pob tw fusion vuam ntawm cov kav dej yas thiab cov khoom siv ua los ntawm PE, PP, thiab PVDF hauv kev tsim kho lossis kev cob qhia.