Xi\'an Yi Teng Petrochemical Technology Development Co.Ltd.(XAYT), as a special manufacturer and supplier of Petroleum additives, have got the independent rights import export, it is located in high-tech Industrial Zone.We top-ranking technician ...

We, Beijing DeHaiBei Sci-Tech Co Ltd ,are a professional manufacturer engaged in the research, development, production, sale and service of oil refining, product blending etc. We mainly export petrolum additives,such as Gasoline Diesel Additive ...