May 31: The diammonium phosphate market in Yunnan is temporarily operating stably. Enterprises mainly implement advance receipts in the early stage and are currently focusing on export shipments. Recently, the mentality of the mainstream market in North China has improved. The main reason is that monoammonium prices continue to consolidate and the international market is improving. In the short term, China's diammonium market will fluctuate steadily and within a narrow range.