Home default Screw and barrel raw material:38CrMoVAlA,with nitrid treatment. 2)Screw and barrel cooling:Fan cooling Screw and barrel raw material:38CrMoVAlA,with nitrid treatment. 2)Screw and barrel cooling:Fan cooling Pvc Pipe December 29, 2019 Share: Facebook Twitter Pinterest Screw and barrel raw material:38CrMoVAlA,with nitrid treatment. 2)Screw and barrel cooling:Fan cooling ... Click to read moreOthers news: Another news:
