Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

All plastic machinery accessories,parts,fittings,mountings Planetary screw and barrel Extruder screw and barrel Screw and barrel Screw barrel for rubber machinery Screw element and segmented barrel Bimetallic screw and barrel Extruder single screw and barrel Single screw and barrel for injection molding machine Parallel twin screw and barrel Conical twin screw and barrel