we are a leading exporter of chemicals in shanghai,China.we have been dedicated to this field for 5 yearsour product list include:1. food additivescitric acidDL-malic acidsodium benzoateMSGtartaric acidsodium bicarbonateammonium benzoateaspartame2. vitamin seriesvitamin Avitamin B1,B2,B3,B5,B6,B12vitamin D2,Vitamin D3viatmin Evitamin K1,K2,K3,K43. other chemicalssodium acetateTiO2zinc sulphateMnSo4