We are Zhejiang Zhongsu Screw Ltd.,Co based in Zhoushan, China. Weare member of TradeKey.com since November, 2015.Our business is related to Rubber & Plastics industry and wespecifically deal in screw barrelPlease find our product details below: PET Blow Molding MachineScrew and Barrel.We have an experience of more than 20 year of manufacturing anddesigning Plastic machines Screws and Barrels and spareparts. concentrate on improving quality, updating design andenhanc... Plastic extruder machine screw barrel Eextruder screwbarrel Using Area Packaging Certification.