We Gansu Qiyuan Chromate-Chemical Production Co.,Limited Import & Export Business Head Office located in Gaolan County Lanzhou Gansu China which established in 2001with over ten years experience in international businesses,we evolved over the years into a leading group for the distribution of chromium chemicals.and keep good relationships with our customers all over the world. our factory located in the west of Gansu China,established in 1983 as an inorganic chromate chemical materials factory,we evolved over the years into a leading manufacturer in China.covering 200 hectares in size , which the total fixed-assets is 1.5 billion RMB, has 1000 staffs.we have sodium dichromate,sodium chromate,potassium bichromate,potassium chromate,chromic acid,chrome oxide green,basic chromium sulphate.potassium chromate AR,sodium chromate AR,potassium bichromate AR,sodium dichromate AR,the capacity based on sodium dichromate is 50,000 per year.