TENGLONG SEALING, is the cradle of SUNPASS GROUP, since 1979. It is one of the earliest companies in China, which is specializing in sealing and thermal insulations for more than 40 years.
	TOP SEALING, belonging to SUNPASS Group since 2018, is a professional manufacturer of sealing and thermal insulation products, including high quality gland packing, sealing gasket, graphite product, PTFE products, fiberglass product, ceramic fiber product and other Sealing & thermal insulation product. We have rich experience, advanced technology and equipment, and has modern professional factory buildings of 12000M2 and a professional technical group. It is managed in strict accordance with the ISO9001:2008 standard and provides customers with high quality products and services. The products are exported to more than 200 countries and regions, and enjoys good reputation at home and abroad.
	The parent company, SUNPASS SEALING is a professional manufacturer, developer, and supplier of quality ISO tank container spare parts for tank container depot operator, service, agents, and trading companies. Sunpass is a famous Chinese brand, known by the world in Tank Container Field since 2000.
	ECHO INDUSTRY, provides export service for SUNPASS GROUP.

SUNPASS GROUP has won the professional position in domestic market. And our products have also been exporting to Germany, France, Spain, Italy, Poland, the Netherlands, English, Greece, America, Canada, Mexico, Brazil, Chile, Argentina, Egypt, South Africa, Korea, Japan, Russia, Turkey, Singapore, Thailand, Malaysia, Australia, New Zealand, UAE and more than 80 countries and regions.