Ningbo Tiansheng Sealing Packing Co., Ltd. is an acknowledged leader in researching, developing and supplying High-Tech Gaskets, Gland Packing, sealing materials and related services for the industries both in domestic and overseas.

Since Tiansheng was founded in 1993, it advocated internationalization and started supplying sealing gaskets and sealing materials mainly in fields of Nuclear Power industry, petrochemical, oil refinery, shipbuilding, mechanical, marine, and aviation. There are total 150 employees, 5 senior engineers. We obtained high reputation through insist on supplying innovative design, strict quality control, competitive prices and reliable services for our clients in the various fields. In 1998, we got the Management System Certificate of DNV ISO 9001: 2000, ISO14001: 2004, and OHSA18001. We always implement our principle of QUALITY FIRST, SUSTAINABLE DEVELOPMENT and devote ourselves to sealing technology for the sake of successfully solve more complicated and challenging leakage problems.

The main products are Nuclear PRV C-ring, Metal O-ring, Ring Joint Gaskets, Spiral Wound Gaskets, Reinforced Graphite Gaskets, Kamprofile Gaskets, Double Metal Jacketed Gaskets, Heat Exchange Gasket, Non-asbestos Gasket, Asbestos Gaskets, Expanded PTFE Gasket Sheet, PTFE Joint Sealing, Zero Leakage Valve Stem Packing, and Gland packing.

Tiansheng has a professional and dynamic work team which with rich experiences and capabilities to solve complicated leakage problem in the most cost effective way. They are supported by comprehensive engineering, manufacturing and test facilities in our National Standard Gaskets and Gland Packing Laboratory.

Nowadays, Tiansheng becomes the example in the sealing technology, especially our SELEX gaskets which are used in the Nuclear Industry and Zero Leakage Packing Ring passed ISO15848-1 and API 622. We persist in supply superior quality sealing products and services and researching and developing more economic, environment protection and excellent sealing performance gaskets for our clients forever.