Hebei heishi chemical co.,ltd

I am Season from hebei HeiShi Chemicals Co.,Ltd, which is committed in manufacturing and supplying inorgnic /organic chemicals pigments and dyestuffs in China for many years . Attach all of our products for your reference : 1.Inorganic Chemical Products Calcium hypochlorite, Caustic soda flake or solid , Sodium Hexametaphosphate, Sodium tripolyphosphate , ZincOxide...