Zhejiang Tongchi Trade Co., Ltd.

We are a Chinese mainland manufaturer with IATF 16949 approved to produce and sell all kinds of seals and gaskets for engine and transmission, such as: oil seals, integrated oil seals, valve stem seals, valve cover gaskets, other gaskets, and full sets.
With the strong support of our own R&D team, we mainly provide services to high-end customers all over the world, from drawing, mold design, production, inspection to shippment.