Dear Mr& Mrs how are you ! please contact me; Our company is a manufacturer specialized in chemical raw materials, such as titanium dioxide,borax,bric acid,carbon black, silica, titanium, NaOH, lithopone, stearate, viridian, MGO and others. : A:Pharmaceutical Chemicals B:Titanium dioxide; Rutile titanium and anatase type (Can provide free samples of 500 g for testing; At the same time can guarantee the quality of large sheet and samples are the same) boric acid ; borax； Stearic Acid Powder. sodium tetraborate;Zinc Oxide ;carbon black ；Aluminum Sulphate；hrome Green； formic acid ；methanoic acid；Aluminum Sulphate; Lithopone;; Boracic acid; Sodium hydroxide，Caustic soda flack; Sodium hydrate; Sodium Hexametaphosphate; Iron oxide y