Ningbo Guangyi Sealing Material Co., Ltd. Was established in 1990, specializing in the development of metal spiral wound gaskets, exhaust pipe interface gaskets, graphite gaskets, winding inner and outer rings, packing rings, and copper O-rings. As Custom Metal Spiral Wound Gaskets Manufacturers and Suppliers in China, 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 "Treat customers with ethics and superb technology" and the spirit of "exploitation, entry, truth-seeking and innovation". Sincerely welcome domestic and foreign customers to visit our factory for cooperation.