Shanghai Xinxing Twin Screw Machinery Co., Ltd. (hereinafter referred to as xinxing specializes in manufacturing plastic extrusion machinery and plastic auxiliary machinery. The existing primary products cover SJSZ series cone (ultra-cone)-shaped twin-screw extruders, SJW series single-screw extruders, PVC-U core foaming pipe units, high-speed PVC hard pipe units, profiled bar units, PVC granulator units, SJW series single-screw extruders, as well as these production lines of PVC wood plastic ...