We professionaly provide PU Chem (MDI, Polyol & Isocynate series), Inorganic matters / Minerals, such as Zinc Oxide, Zinc salt series, Cobalt Salt, Nickel Salt, Lithium Salt (such as Lithium Nitrate), Fluoride Salt (such as Lithium Fluoride), Strontium Salt (such as Strontium Nitrate), Cadmium Salt and Bifluoride Salt, and etc.. ...