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 ma...
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