As a well-known enterprise specializing in the design, development, production, and sales of single screw, barrel, and conical twin screw and barrel, Zhoushan Longwei Plastic Machinery Co., Ltd. always adheres to the business values of \"integrity-based, quality-centered, customer-oriented\", closely follows the development of the industry, constantly innovation. The company has a strong R & D team, which can be customized screw barrels according to the drawings or samples provided by customers. The products are sold nationwide and exported to dozens of countries and regions such as Vietnam, India, Iran, Europe and America, and the company has won unanimous praises from domestic and foreign customers.