We company specilizing in the minerals nutrition for animals feed and fertilizer inderstries for over 15 years.and have five factory product Ferrous sulphate mono,manganese sulfate mono,zinc sulfate heptahydrate,and is the biggest pruducing for Ferrous sulphate mono in the china.she also market others product such as citric acid copper sulfate MAP EDTA zinc sulphate monohydrate etc
