Our company offer high quality Zinc sulphate mono. Product: Zinc Sulphate Monohydrate F.M.: ZnSO4 Specs. Zn35% min.As0.0005% max.Pb0.002% max.Matter insoluble in water0.05% max.Finess (250um)95% passed Packing: 25kg/50kgs per p.p.bag Pls feel free to contact us if you are interested in it.