Introduction
Three Circles Chemicals Co., Ltd. (3C), a subsidiary of YPH, was established in 1972. 3C is the large state-owned company who adopted wet-process for phosphoric acid to produce high-concentration phosphate compound fertilizer. 3C has a TSP unit with an annual capacity at 400kt, a MAP unit with an annualcapacity at 300kt, a DAP unit with an annual c...
