Registered in Ningbo Economic and Technological Development Zone in 1997, Ningbo Jinshan Sealing Machinery Co., Ltd is a private corporation integrating production, research, marketing and trading. 



In 2002, our company set up a manufacture base covering a ground area of over 9,900 square meters and construction area of 8,200 square meters at Cixi city, where the world largest cross-sea bridge Hangzhou Bay Bridge is under construction. There located Cixi Yinshan Sealing Parts Factory and Cixi Jinshan Shipping Fittings Factory that are solely owned by our company. We specialize in the production of sealing components and shipping fittings. Our advanced equipment, developed technology and excellent product quality have won us a lot of faithful customers. 



As a member of China Hydraulic and Pneumatic Sealing Parts Association, our company produces JS series sealing gaskets, sealing boards, sealing stuffing and sealing machinery which are all inspected to have stable performance and reliable quality by Quality Supervision and Inspection Center of Mechanical and Industrial Sealing Products. In 1998, our mainstream product, metal twining spacer, won praise for its excellent quality by State Mechanical and Industrial Bureau in national uniform quality spot check. In 2001, we became the first batch that got pressure piping components safety certificate of State Quality Inspection and Quarantine General, and we passed ISO9001 certification in 2004.