Sichuan Mianyang Huayida Chemical Co., Ltd., established on 2001-04-04, The business scope includes sodium dichromate,Chromic anhydride manufacturing,Sales,Potassium dichromate,Ammonium dichromate,Chromic anhydride,sodium chromate,potassium chromate,Chromium Sulfate Basic Sales;Operating the export business of the company's self-produced products and related technologies;The raw and auxiliary materials required for the production of scientific research in this enterprise,Instrumentation,Equipment,Import and export business of spare parts and related technologies;Operating the company's processing of supplied materials and three-to-one-subsidy business.(Engage in production within the scope approved by the relevant administrative license,operate)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)