We produce: oxalic acid , stearic acid , phosphoric acid , formic acid , sodium formate , sodium carbonate , sodium pyrosulfite , sodium tripoluphosphate , sodium hydroxide , aluminium sulphate , copper sulphate , chromium oxide green , iron oxide , zinc oxide , potassium hydroxide , polyluminium chloride , poly vinyl alcohol , lithopone , sulphur black , calgon , calcium chloride , carboxyl methyl cellulose , titanium pigment , carbon black , xanthan gum , pentaerythritol . Our website is :*****