Zhoushan Henglong Plastic Machinery Co., Ltd. is located in Jintang Island, the fourth largest island of Zhoushan Archipelago, a famous scenic spot in Zhejiang Province. We are specialized in manufacturing screw, barrel and accessories of injection molding machine, extruder and rubber machine. Our company is the essence of our company, with "excellence" as the basis, through continuous innovation and efforts, we can provide nitriding, chrome plating, bimetal surfacing, surface spraying of tungsten carbide and other products to meet the needs of different uses. Our factory can undertake mapping, design, map processing and other business, with excellent quality and satisfactory timely service to seek common development with customers. Excellent quality, perfect service is the pu