WE ARE MANUFACTURER AND SUPPLIER OF BELOW PRODUCTS. COPPER SULPHATE : POWDER AND CRYSTAL. ( 24% ). COPPER SULPHATE : POWDER 24.7%. ZINC SULPHATE : HEPTA HYDRATE 21%, ZINC SULPHATE MONO : 24% TO 33%. MANGANESE SULPHATE : 31%. FERROUS SULPHATE : HEPTA AND DRIED 30%. EDTA : ZINC , COPPER , FERROUS, MANGANESE, CALCIUM, MAGNESIUM. AMMONIUM SULPHATE. MAGNESIUM SULPHATE. MAGNESIUM OXIDE. ZINC ASH. PLEASE REPLY US FOR YOUR REQUIREMENT, WE WILL SEND YOU THE SAMPLE AND DETAILS OF PRODUCT.