Zhoushan Vanscrew Machinery Co., Ltd. is a professional screw barrel manufacturer located in Zhoushan City, Zhejiang Prov,china. 

    The company specializes in manufacturing series of screw, plastic machine barrel products, product specifications for domestic, imported 30-20000 grams of injection molding machine; 15mm-300mm single screw extruder; machinery and petroleum machinery. Nitride substrate of high quality steel products 38CrMoAIA, products after quenching and tempering, qualitative, nitrogen, grinding, polishing and other sophisticated technology, manufacturing, quality reach the international advanced standard. While the production of nickel-based alloys CH113 (new 3 # steel) screw, barrel, providing customized 30mm-150mm extrusion equipment, the company provides complete home and abroad in addition to whole plants, universities, research institutes, but also undertake processing business , while site mapping, design, maintenance and modification of the extruder equipment. 
    Enterprise spirit of quality first, prestige supreme principle. Providing our customers with quality products, welcome customers come to negotiate business calls.