Tenglong Sealing Product Manufactory, Yuyao, since 1979, has been engaged in the design and manufacture of sealing and thermal insulation materials. Over the years, Tenglong Sealing has set up its foundation by strength, expanded the market with brand and inherited its continuous service, which has spread TENGLONG Sealing in terms of high quality, high standard and good reputation to all over the world, bringing in a continuous force for the vigorous development of quality sealing and thermal insulation materials.