Qingdao Haitairun Machinery Manufacturing Co., Ltd is a High-tech enterprise specialized in researching, developing and manufacturing plastic extrusion line, extrusion dies, plastic recycling and granulators, which has an integral advanced system for technology research, products processing and testing. Started from a high level, Haitairun always insists on her business conception:“quality is life, technology is power, customer satisfaction is the final purpose”, making effort to promote the technology and build up the company brand as world-class plastic machine manufacturing enterprise. High efficient single screw extrusion technology, High-quality PVE twin-screw extrusion technology and newly developed multi complex extrusion technology, PP/PE(large diameter) water and gas pipe extrusion technology, PEX-AD-EVOH three/five layers pipe extrusion technology, PVC static preventing fiber and steel-wire three/five layer complex hose technology, PP/stalk light foaming environmental protection sheet extrusion technology, PVC wood-plastic environmental protection sheet extrusion technology, PVC skin foaming sheet extrusion technology, PVC free foaming sheet extrusion technology, PP/PE multilayer plate extrusion technology, plastic recycling granulation technology and various types of granulators etc are all widely accepted by domestic and overseas customers.