Established in 1979, TENGLONG is a professional manufacturer andexporter of many styles of high-grade and top quality ceramic fiberproducts, fiber glass products, asbestos products, shippingcontainer 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 hassubsidiaries in H.K.- ECHO INDUSTRY LIMITED.Our products has won the leading position in domesticmarket. And our products have also been exporting toEurope, South America, Africa, Middle of East and More than FiftyCountries and regions.Â