Yunnan Yuntianhua (SHA:600096) subsidiaries will invest 2.74 billion yuan in two green demonstration projects, according to a filing with the Shanghai bourse.
Tian'an Chemical will invest 1.58 billion yuan in a sulfur recycling project supporting new energy battery precursor materials.
Environmental Protection Technology will invest 1.16 billion yuan in a project that will process 1.5 million tons of phosphogypsum annually into cement and sulfuric acid.