We are leading manufacture of export grade high purity lab and rare chemicals: PHOSPHOTUNSTIC ACIDPhosphomolybdic acidTellurium di-oxideSodium ArsenateSodium ArseniteSodium PerchlorateMagnesium Perchlorate (hydrate/anhydrous)Lithium PerchlorateBarium PerchlorateAmmonium PerchloratePotassium Pyrosulphate Thanks with warm regards.