Tongling, a major hub for China’s copper industry and sulfur-phosphate chemical production, has long been known for its industrial by-products: the black copper slag mountain, the red sulfur slag mountain, and the white phosphogypsum mountain, collectively referred to as the “Three Mountains.” Today, through measures such as controlling new waste generation, reducing existing stockpiles, recycling, and industrial utilization, Tongling’s traditional industries are undergoing a green transformation.

According to Document No. 291 (2023) issued by the Ministry of Industry and Information Technology of China in October 2023, the third batch of industry standards revision and foreign-language projects includes the preparation of the 2023-1561T-JC “Test Method for Setting Time of Gypsum Cementitious Materials – Ultrasonic Method”. The Institute of Scientific and Technical Information of Building Materials Industry and other organizations are responsible for drafting this new industry standard.

Recently, the China Building Materials Federation (CBMF) announced the list of winners for the Building Materials Industry Product Instruction Contest. Among the award recipients, Tangshan Kaijie Desulfurization Gypsum Products Co., Ltd., a member unit of the Gypsum Building Materials Branch of the CBMF, received the Third Prize for its outstanding product — Lightweight Plaster Gypsum.

From May 8 to 10, 2025, the Cellulose and Gypsum Technology Innovation Conference and Exhibition was successfully held in Jinzhou City, Hebei Province. The event was guided by the Shijiazhuang Municipal Bureau of Science and Technology and the Jinzhou Bureau of Science, Technology and Industrial Information Technology, and jointly organized by the Institute of Scientific and Technical Information of Building Materials Industry, the Hebei Fine Chemical Industry Association, and the Gypsum Building Materials Branch of the China Building Materials Federation.

On April 25, at the Yuntianhua Red Phosphorus Chemical Plant in Kaiyuan City, Yunnan Province, a phosphogypsum fluorine and phosphorus deep purification and resource utilization project (referred to as the Phosphogypsum Resource Utilization Project), newly developed by Shanghai Xigu Technology, successfully completed pilot-scale and industrial validation tests.