Qingdao hongjiye plastic extrusion machinery co.,ltd. is a high-tech stock company, dealing with macromolecule materials and research and development of new materials. The main products of our company include to steel pipe soaking production line(patent No.:20080126143.7、200820126144.1、200820126145.6、200820207930.4),plastic fiber coating pipe production line（patent No.:200820128217.0）,medical infuses pipe machine（patent No.:200820128218.5）, Plastic glazed tile production line( Patent: 200920001196.0)Thermal plasticization polymer package insulation steel bar production method and machine(Innovention patent:200910000586.0)， medical blood transfusion bag machine, PE,PP,PPR,PPB gas and water supply pipe production line, U-PVC,C-PVC pipe production line, silicon core pipes prod..