Qingdao Sun Joy Plastic Machinery Co.,Ltd is located in QingdaoJiaozhou Bay with beautiful environment and convenient traffic. Our company is a professional manufacture forevery kinds of plastic machinery and conical twin-screw extruder. We have abundant technical skills, advancedproduction technology, production experienced and full equipped debugger checking equipments. Main productionline include: WPC machinery, PVC/PP/PE/ABS profile extrusion line, Large diameter HDPE pipe extrusion line,XPS Foamed plate production line, Siding panel extrusion line ect., We always persist the policy of high qualitybut reasonable price, advanced technique, perfect services and scientific management to supply you withperfect plastic machinery.http://www.sj-extrusion.com/