Shanghai Xinxing Double Screw Mashine Co, Ltd tangu kuanzishwa mwaka 1989, imekuwa kuzingatia kujitolea kwa uzalishaji wa mashine binafsi ya plastiki extrusion na mashine ya plastiki ya ziada. Sasa uzalishaji SJSZ mfululizo cone (super cone) mfano wa mbili, SJW moja screw extruder, PVC-U msingi povu bomba unit, high-kasi PVC ngumu bomba unit, vifaa vifaa unit, PVC mbao plastiki baraza la mawaziri karatasi uzalishaji line, PVC mbao plastiki povu mlango karatasi uzalishaji line, PVC granulator unit na SJW mfululizo moja screw extruder, PE, PPR bomba uzalishaji line, PE uneni shaba uzalishaji line, PC nafasi subboard uzalishaji line, PVC, PE corrugated bomba uzalishaji line na mashine ya plastiki. PE, PP kuchapisha kusafisha granulator line nk.