"Zhoushan Hengrui Machinery Co. Ltd. is located in the fourth island of Zhejiang Islands - Jintang Island, close to Shanghai, and adjacent to the internationally famous deepwater port - Zhoushan port, Ningbo. Zhoushan Hengrui Machinery Co. Ltd. was founded in 2011, is a manufacturing enterprise specializing in designing and manufacturing screws and barrels. Our products are mainly used in injection molding machines, chemical fiber machines, film blowing machines, extruders, rubber machines, and other plastic manufacturing machines. We have dedicated to provide ""safe, reliable, professional"" products for 6 years. Our company adhere to the enterprise tenet of ""integrity, innovation, persistence"", base on the spirit of “technology and service”, have formed a complete one-stop service system for design, debugging, and maintenance. Our company use high-quality alloy steels to produce screws and barrels, along with a complete set of manufacturing, heat treatment, bimetal baking.