Yunnan Lancang Lead Mine Co., Ltd. former executive director Wan Delin is under review and investigation.

According to the disciplinary committee of China Copper Corporation and the Discipline Inspection Commission of Simao District, Yunnan Lancong Lead Mine Co., Ltd.'s former party secretary, executive director, and general manager Wan Delin is suspected of serious violations of discipline and laws, and is currently undergoing disciplinary review by the disciplinary committee of China Copper Corporation. Upon designation by the Yunnan Provincial Supervisory Commission, the Simao District Supervisory Commission has jurisdiction, and is currently undergoing investigation and supervision by the Simao District Supervision Commission.