... ,Purity Zn 22% min 3,Appearance white powder 4,Use for Agriculture Grade 1,Product name Zinc Sulphate Hepta2,Purity Zn ... 22% min3,Appearance white powder4,Use for Agriculture Grade Specifications Zinc Sulphate Hepta Zn 22% minPb 0 ... Trading Co.,Ltd.welcomes friends from every part of the world for business talks and mutral prosperity.