Registered in Ningbo Economic & Technological Development Zone in 1997, Ningbo Jinshan Sealing Machinery Co., Ltd is a private corporation integrating production, research, marketing and trading into a whole. In 2002, the 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 ...