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 cabinet sheets, PVC wood plastic foaming sheets for doors, PE and PPR pipes, PE thick plates, PC hollow grid plates, PVC and PE bellows, PE and PP recovery, cleaning, and pelleting.