... a stable water soluble metal chelate, mainly used In agriculture and horticulture and iron is present in a chelated form. Specification: 1, Purity: ... 10,000mt per month each . Compared with other fertilizer plants in China, our advantages are easy transhipment, low cost and ... River, instead of trains. Our rock phosphate fertilizer are well used in such fertilizer industries as DAP, MAP,UP, FMP, SSP, ...