We are the manufacturer and exporter of chemical raw materials, is iso9001:2000 quality approval enterprise. our main products are following : titanium dioxide anatase/rutile stpp, shmp, caustic soda formic acid, glacial acetic acid, oxalic acid iron oxide red/yellow, carbon black zinc oxide, zinc sulphate, copper sulphate if you are interested in them, please contact us let me know your needs. whxchem at hotmail com