Zhoushan Fudes Machinery Co, Ltd (formerlyYuanzheng Company) is a professional manufac-turer who specializes in pin screw barrels forrubber extruders,conical·parallel twin screw bar-rels, extruder·injection molding screw barrels,ma-chine heads,molds,eeding devices,etc.

Its annual yield has been more than 2000sets. The company has advanced manufacturingtechnologies and a strong technical force.It hasobtained many national invention patents in thearea of the manufacturing of pin screw barrels forvented extruders and feeding devices and thesetechnologies are the most advanced