TOP SEALING is a professional Sealings and Thermal Insulation manufacturer & suppliers in China, also exporter of many styles of high-grade and top quality gland packings, graphite products, ceramic fiber products, fiber glass products, shipping container parts and accessories, PTFE products, and sealing gasket and sheet.As Leading Thermal Insulation manufacturer and seals suppliers, factory in China, Sunpass Sealing Technology Co. Ltd OEM/ODM in sealing and thermal insulations more than 40 years