On November 28, 2025, GHPC (01847) announced the official commencement of operations for Phase I of the Anning Green Building Materials Industrial Park project, which integrates the annual processing of 1 million tons of phosphogypsum and 1 million tons of industrial solid waste. The project, managed by Yunnan Construction Investment Phosphogypsum Comprehensive Utilization Industrial Technology Co., Ltd., covers construction oversight, equipment procurement, production management, sales operations, and daily business administration.

Yunnan Construction Investment Phosphogypsum Co. is jointly owned by GHPC and Yunnan Construction Investment Holding Group (each holding 40%) and Yunnan Construction Infrastructure Investment Co., Ltd. (holding 20%). The company is consolidated into GHPC’s financial statements as a subsidiary under its actual control.

Phase I of the Anning Phosphogypsum Utilization Project includes a research and testing center built to provincial R&D standards in Yunnan, alongside an intelligent control center enabling fully automated production and safety management. Upon full operation, the facility is expected to produce 5,000 tons daily of road stabilization materials, cement retarders, and eco-friendly modified remediation materials, as well as 500 tons of phosphogypsum-based artificial stone aggregates and concrete.

During the inauguration ceremony, Yunnan Construction Investment Phosphogypsum Co. signed strategic raw material supply agreements with multiple suppliers and inked letters of intent with cement manufacturers for the sale of 2 million tons of phosphogypsum-derived cement retarders.