With over 25 years development, Ningbo Jinyi Precision Machinery Co.,Ltd is now one of the larger companies specialized in manufacturing Screws, Barrels & Tie Bars. With our 300 employees and 5 factories based in Ningbo & Zhoushan, JINYI commits to designing and supplying precision parts for the plastics, rubber, food and medical industries. Focusing on Precise Machining, JINYI has an extremely large database of prints, drawings, and factory OEM specifications. While paying attention to skilled personnel training, we also imported series of advanced equipment, such as CNC Machining Center, CNC Turning Machine, Inner Hole Grinding Machine, 13 Meters Deep Hole Boring Machine, NC drilling mac ... more