1. Series high-speed heating & cooling mixer unit(hot mixer &cooler unit ) 2. PVC central feeding material system (auto weighing, mixing and conveying) 3. PVC pipe extrusion production line 4. PE,PE-RT PP, PP-R, ABS pipe extrusion production line 5. PP 3 layer co-extrusion low noise drainage pipe production line 6. PEX-AL-PEX aluminum-plastic composite pipe extrusion production line(PE-AL-PEX pipe) 7. PVC window & door profile extrusion production line 8. PVC decorating siding, seal siding, cable trucking extrusion production line 9. PVC wall panel, window sill, ceiling, hollow door panel extrusion production line 10. PE, PVC, PP wood-plastic composite(WPC) profile and panel extrusion production line 11. Extruders including: single screw extruder, conical twin screw extruder, parallel twin screw extruder 12. PVC granulating/pelletizing prodcution line 13. PE, PP, PS, ABS,CaCo3 granulating/pelletizing production line 14. PVC WPC construction panel production line