richchem inc.manufacture and export follow:please revert if you interest. talc, brucite , dead burnt magnesite, caustic calcined magnesite, magnesium oxide, magnesite (magnesium carbonate), fused magnesia, saponite, chlorite, talcum dead burned magnesite cas no.: 1309-48-4 caustic soda fused/flakes; magnesium chloride ,talc powder; lithopone b301, tio2 rutile, barium sulphate precipated,pentaerythritol 98%min; sodium gluconate; maleic anhydride 99.5%; fumaric acid 99.5% food grade