... max 14, Size: white crystal15, Pack:in 25 kg PP/PE bag16, Usage: used in boiler water treatment,electroplating, to produce sodium hexametaphosphate ... Calcium Phosphate MCP and Ferrous Sulphate shipped 400,000mts fertilizer in the past one year, We can supply fertilizers and ... 10,000mt per month each . Compared with other fertilizer plants in China, our advantages are easy transhipment, low cost and ...