... 3,SGS,BV,CIQ inspection welcomingProperties: 1. Product name: Zinc Sulphate Mono/Hepta2. Chemical formula: ZnSO4 . H2O/ ZnSO4 ... , this process is called water quality stability, zinc sulfate in this used for water quality stabilizer. The ... supplementary crop zinc trace element fertilizer commonly used fertilizer, may do basic fertilizer, hairy, fertilizer, etc. Catkin Best-selling Zinc Sulfate 98%