In 2026, the average price of domestic phosphate ore has exceeded 1050 yuan/ton, an increase of 18% year-on-year, and the demand for phosphorus in new energy continues to rise. In this context, the leading phosphorus chemical company Yuntianhua released a heavyweight investment announcement on the evening of May 15th: its subsidiary Yunnan Yuntianhua Polyphosphate New Materials Co., Ltd. plans to invest in a 10 million ton/year phosphate mining project in Zhenxiong County, Yunnan Province, with a total estimated investment of 8.169 billion yuan. This is a crucial step in the development of Asia's largest single concealed phosphate mine, following the acquisition of the mining rights for Wanchang phosphate mine by polyphosphate new materials in December 2025.

2.4 billion tons of top-level mineral deposits

The bowl factory's phosphate ore resources are top-notch. Exploration data shows that the mineral resources of this mine reach 2.438 billion tons, with an average grade of 22.54%. Among them, the first grade (P ₂ O ₅ ≥ 30%) resources exceed 321 million tons, and the second grade resources exceed 659 million tons. It is the core block of Yangchang Phosphate Mine, the largest single hidden phosphorus rich deposit in Asia. The project has a designed mining scale of 10 million tons per year and a service life of 30 years. After completion, it will become one of the largest single phosphate mines in China. At present, Yuntianhua holds 35% equity of Polyphosphate New Materials, with subscribed capital of 700 million yuan and paid in capital of 455 million yuan.

Prior to this, Yuntianhua had nearly 800 million tons of phosphate ore reserves, with an annual production capacity of 14.5 million tons of raw ore and a production capacity of 11.7375 million tons of finished ore by 2025. The self-sufficiency rate of phosphate ore was 100%, which is extremely rare among domestic phosphate chemical enterprises.

Consolidated path of 3 billion tons of reserves

More importantly, Yuntianhua Group has made a clear commitment to give priority to injecting its control into the listed company within 3 years after obtaining a legal mining license for polyphosphate new materials. The current equity structure is: 55% for Yuntianhua Group, 35% for Yuntianhua, 9% for Zhaotong Development Group, and 1% for Zhenxiong Production and Investment Group. This means that by the end of 2028 at the latest, Yuntianhua will hold a 90% equity stake in Polyphosphate New Materials and consolidate it. By then, the total reserves of phosphate ore will exceed 3 billion tons, accounting for nearly half of the country's proven reserves, with a reserve production ratio of over 200 years. According to calculations, a 100% self-sufficiency rate can bring a cost advantage of 200 to 300 yuan per ton, significantly leading peers such as Chuanfa Longmang and Xingfa Group. Keywords: mines, phosphate mines

In the first quarter of 2026, Yuntianhua's net profit attributable to the parent company increased by 22% year-on-year, and the gross profit margin of the phosphorus chemical sector remained at a high level of 38%. At present, with the continuous strengthening of phosphate ore prices and the accelerated expansion of the new energy track, this super mineral deposit hidden underground in Zhenxiong is becoming a core chip for Yuntianhua to consolidate resource barriers and overcome cycles.Editor/Cheng Liting