Product description Maifan stone ball is a kind of mineralized ball formed by sintering maifan stones the main functional raw material and clay. It has stonger adsorption and permeability than the original ore, and is sterile, non-toxic and pollution-free mineralizer. It can mineralize and purify the water quality. Application It is widely used in environmental protection, water quality improvement and beverages, wine making, deodorant, crops and flowers cultiviation, and other industries. Company Certification Company Profile Packaging And Delivery