SunPass History
ONE Factory established
TWO Generations struggled for
ONE Thing focused on
TWO Sisters joining hands
Introduction of Sunpass
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TENGLONG, SINCE 1979, manufacturing sealing and insulation products |
TOP SEALING, SINCE 2018, providing one-stop sealing and thermal insulation solutions and export business |
SUNPASS, since 2000, focus on Tank Container and vehicle Spare Parts |
Company Organizational Structure
SUNPASS Culture


Mission: Produce High Quality Sealings Innovatively to Protect Industrial Safety.
Vision: Grow to the Most Professional Technology Sealing Manufacturer.
Core Values: Sincere, Focus, Responsibility, Excellence, Innovation Create Maximum Value for Customers, Employees and Partners.
Introduction of Sunpass

SunPass Sealing Tech, specializes in the production of industrial sealing and thermal insulation materials.
· Founded in 1979
· 45+ years of mature technology and experience
· 178 employees
· 12000M2 Modern professional workshop
· 20+ production lines such as sealing gland packings, sealing gaskets and sheets, glass fiber products, PTFE products, graphite products, ceramic fiber products, rubber products, encapsulated o rings, and iso tank container spare parts so on.
Our Products
Gland packings, sealing gaskets and sheets, glass fiber products, PTFE products, graphite products, ceramic fiber products, rubber products, encapsulated o rings, and iso tank container spare parts so on









Product Application
Serving industries such as petrochemical, oil refining, electric power, steel, shipbuilding, marine engineering, mining, automobile manufacturing, machinery, medical treatment, metallurgy








Our Certificates
















Production Equipment
German Stype High Speed Invert Braiding Machine












Performance Introduction
Customers are located in more than 100 countries and regions such as China, Russia, South Korea, Japan, Thailand, Saudi Arabia, Egypt, Spain, Germany, France, the Netherlands, Belgium, the United States, Mexico, Brazil, Australia, etc. SunPass provide global supply and services for world-renowned enterprises and is a close partner of world-renowned sealing manufacturers and engineering service providers. SunPass is also the first national brand of tank container accessories in China. SunPass has a high reputation and influence in the sealing industry, thermal insolution and tank containe.














Our Services
We have industry-leading process equipment and technology, and can provide you with highly customized services and products. We follow up the progress of the goods in real time to ensure that we keep pace with your needs and provide you with professional and thoughtful technical guidance. At the same time, we promise that the products we sell enjoy a one-year quality guarantee, so that you can buy without worry and use with more confidence. All of our products are manufactured in accordance with domestic and international industrial standards, such as GB, ASTM, DIN, JIS, ASME-ANSI, BS, CNS, etc. We can also customize sealing products of various special specifications for customers.Our service is designed to provide you with the best product experience and the most thoughtful after-sales support.











