Ningbo Hangzhou Bay New District Kedebao Seal Co., Ltd. is mainly supply expanding graphite (flexible graphite) as the main raw material of all kinds of woven root, high temperature and ultra high pressure without interface woven sealing packing ring, metal winding gasket, graphite high strength gasket, metal composite gasket, graphite filler, graphite cloth, carbon fiber cloth, automotive exhaust system, automobile silencer filler, high water base root, four fluorine root, aramid root, carbon fiber root, expanding graphite universal root and dozens of varieties. Adhering to the domestic and foreign advanced production technology standards, to provide a full range of sealing products. Widely used in petroleum, chemical, machinery, pump valve, automobile, internal combustion engine, electric power and metallurgy departments. The company's metal winding spacers, high-strength spacers, plate roots and packing rings can be used safely in one maintenance cycle.

The company in line with quality products, preferential and reasonable price, advanced production technology, innovative technology, welcome new and old customers at home and abroad have long-term win-win cooperation with our company, visit guidance!

Our aim: People-oriented leader in science and technology, innovation!

Our goal: To create a harmonious and clean earth!