our production capacity is 20000mts per year, we are the biggest manufacturer and biggest exporter in China, White crystalline powder, slightly moisture absorption, bitter, medium property, nontoxic. SPEC1: content:98%min.moisture:0.4%max.Ca: 30%min.Pb: 0.003%max.SPEC2: content:96%min.moisture:0.5%max.Ca: 29.5%min.SPEC3:content:93%min.moisture:1.0 %max.Ca: 28.5%min.Use:new feedstuff additive,fit ...