Zinc Sulphate

we are offering zinc sulphate. useage: 1.used in making lithopone and other zinc salt . 2.make man-made fibers. 3.widely used in mordant, wood and leather preservatives, fungicides, electroplating. 4.also used as trace elements fertilizer, in animal husbandry, it used in animal feed additive. in our company,there are types of this product : zinc sulphate monohydrate ,powder34% and granula 33% zinc sulphate heptahydrate,white crystal 22% and granula 21% packing: 25kg/ppbag,