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which chemical do u need? BIG GOOD DISCOUNT NEWS we are seller and manufacture and producer with our own factory in China.our cateloge is pigment,acid,alkali,inorganic chemical.main product is 1.Titanium dioxide SLES2.oxalic acid 3.carbon black4.copper sulphate 5.caustic soda 6.STPP SHMP MSN:qinronghbb at hotmail.com