... 2,Purity Zn 22% min 3,Appearance white powder 4,Use for Agriculture Grade 1,Product ... Sulphate Hepta2,Purity Zn 22% min3,Appearance white powder4,Use for Agriculture GradeSpecificationsZinc Sulphate HeptaZn 22 ... maxPacking In 25 kg bagsTangshan C&M TradingCo.,Ltd,established in 1999, is a company mainly ... Pragmatic" as motto, Tangshan C&M Trading Co.,Ltd.welcomes friends from every part of the world ...