2021-2022

　　The fine-particle flotation and recovery project of Baotong Mining for phosphorus separation was put into trial operation, initiating the Company’s fine-particle flotation technology

　　Baotong Mining became a demonstration enterprise of specialty, precision, characteristic and novelty

　　Hengchuan Company became a high-tech enterprise GR202113003950 Baotong Mining won the qualification of a vocational skills level certification body in Hebei Province