Ningbo Guangyi Sealing Material Co., Ltd.  was established in 1990, specializing in the development and research of metal spiral wound gaskets, exhaust pipe interface gaskets, graphite gaskets, inner and outer rings for winding, packing rings, and copper O-rings. Passed ISO9001 in 1998. Now the company's sealing products are widely used in automobiles, motorcycles, ships, petrochemicals, power generation, metallurgy, machinery, and other industries. The products are exported to more than 20 countries including the United States, Canada, Japan, and South Korea. The company adheres to the concept of "treating customers with ethics and leading technology" and the spirit of "exploitation, advancement, truth-seeking, and innovation". Sincerely welcome domestic and foreign customers to visit our factory for cooperation.