SUNPASS GROUP consists of three companies. Tenglong Sealing, founded in 1979, specializes in the production and development of sealing and thermal insulation products. Top Sealing provides one-stop sealing products and thermal insulation products and solutions. Sunpass International provides one-stop accessories and services for ISO tank container. Based on the sealing field, SUNPASS Group serves multiple industries at home and abroad, including: power, chemical, metallurgy, mining, papermaking, sugar refining, marine, tank and other industries.