Established in 1979, TENGLONG is a professional manufacturer and exporter of many styles of high-grade and top quality gland packing, ceramic fiber products, fiber glass products, asbestos products,shipping container parts and accessories, PTFE products, graphite products and sealing gasket and sheet.
Tenglong Sealing services for oil factories, gas factories, steel mills, marine and construction industry, food industry.
SUNPASS, as a part of TENGLONG, established in 2001, takes charge of export business for TENGLONG, which also has subsidiaries in H.K.- ECHO INDUSTRY LIMITED.
Meanwhile, SUNPASS is a leading manufactory, developer, and supplier of quality ISO tank container spare parts for tank container operators, service, agents, and trading companies SINCE 2001.
Our products have won the leading position in domestic market. And our products have also been exporting to Europe, South America, Australia, Africa, Middle of East and More than Fifty Countries and regions.