we, Huaan Biological products Co.,Ltd, is one of the biggest manufacturer of casein in china, we are able to supply you high quality  casein with lowest price.our annual output for casein is 6000mt, sodium caseinate 2000mt, To be frank, if you are interested in casein, especially china origin casein. Please feel free to contact us for our long term business relationship, Due to cheapest raw material and cheapest work force, we are sure we can make you profit in this business.