Established in 1979, TENGLONG is a professional manufacturer and exporter of many styles of high-grade and top quality ceramic fiber products, fiber glass products, asbestos products, shipping container parts & accessories, gland packing, PTFE products, and sealing gasket & sheet. SUNPASS, as a part of TENGLONG, established in 2006, takes charge of export business for TENGLONG, which also has subsidiaries in H.K.- ECHO INDUSTRY LIMITED.Our products has won the leading position in domestic market. And our products have also been exporting to Europe, South America, Africa, Middle of East and More than Fifty Countries and regions.