About US

Zhejiang Zhoushan Fudes Machinery Company (formerly Yuanzheng Company) specializes in the manufacture of pin-type barrel screws for rubber extruders, conical parallel twin screw barrels, extruder barrel screws for injection molding machines, heads, molds, feeders, and gearboxes. The annual production capacity is more than 2000 sets.

The company has advanced manufacturing technology and strong technical force, especially in the production of rubber extruder exhaust barrels, screws, and feed seats, which has obtained a number of national invention patents and is at the leading level in China. The company has a deep hole boring machine, CNC machining center, imported screw grinding machine, and other high-precision barrel screw processing equipment.

The barrel and screw materials are made of high-quality 38CrMoALA alloy steel, which is refined through modulation, roughing, semi-finishing, finishing, nitriding or welding alloying, fine grinding, and polishing processes. The products are characterized by high precision, wear, and corrosion resistance. It is also possible to use bimetallic restoration work on old barrel screws, with a service life of 3-5 times that of an ordinary nitrided screw. We will provide you with a complete set of quality services such as product design, technical consultation, regular maintenance, free repair, and door-to-door guidance.