Zhoushan Longwei Plastic Machinery Co., Ltd. Founded In 2004, Is A Well-known Enterprise Specializing In The Design, Development, Production, And Sales Of Single Screw, Barrel, And Conical Twin Screw And Barrel. The Company 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.