Ningbo Tight Mechanical Seals Co., Ltd. is located in Ningbo Yinzhou Central Developing Zone, which lies by the side of the Shanghai-Hangzhou-Ningbo superhighway. The transporation is very convenient.

The company was founded in 1978 (its predecessor is Yinzhou Mechanical Seals Factory), and specialized in producing high pure aluminum oxide ceramic, Silicon Carbide, Tungsten Carbide, Graphite, Metal Ceramic, and kinds of friction face seal block, mechanical seals and mechanical making. We are also a manufacturer of machinery product.