Chaoyang Dongda Mining and Metallurgy Research institute was established on July3, 2017, with its registered address located in Tangjia Village, Qidaoling Township,Chaoyang County, Chaoyang City, Liaoning Province, The legal representative is FangLixin, The business scope includes training in mineral material preparation, mining and metallurgy skills, mineral resource and secondary resource development and utilization experiments, process technology and complete equipment development，technical consulting, technical transformation, and engineering project research.