Ningbo Jinyi Precision Machinery Co.,Ltd is now one of the largest companies specialized in manufacturing Screws, Barrels & Tie Bars in China. With our 5 factories based in Ningbo & Zhoushan, JINYI commits to designing and supplying precision parts for the plastics, rubber, food and medical industries. Ningbo Jinyi continues to improve Quality Control System through precise inspection during every step of the production. With our excellent quality, we have already established long term cooperation with many well-known companies both in China and overseas. We are one of the first companies to implement the ISO9001 & SGS Certification in our industry. ------------------------------------------------------------------ Ningbo Jinyi Precision Machinery Co., Ltd. (since 1992) 158 Qiancheng Road, Zhenhai District, Ningbo 315207, China Email: info@jinyiscrew.com www.jinyi-precision.com www.jinyi-machinery.com