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.

The company base on management, seek development with science, survive on high quality, orientate as the market direction. And we will win the confidence of our domestic and international clients by perfect technology, more attractive products, all-directional after sales service.

Sincerely hope clients visiting here and establishing business relation with Ningbo Tight for future development.  
  
We can provide almost all of the sealing rings, including; SiC, T/C, Ceramic, Carbon graphit.