The annual inspection for mineral exploitation was officially started from January, 2014. On March 5–6, led by the Mineral Development Division of the Bureau, the Inspection Team, consisting of the Geological Environment Division, Reserves Exploration Division, Miyun Sub-bureau, Chen Yixin (Deputy Chief Planner), and two national supervisors for mine supervision, inspected and audited Miyun Shouyun Mining Co., Ltd., Beijing Weike Metallurgical Co., Ltd., Beijing Yunye Mining Co., Ltd., Beijing Jianchang Mining Co., Ltd., and Miyun Fangmayu Mine respectively. The Inspection Team listened to the reports of the mine enterprises and took field inspection to the mines. The inspected mines are the national pilot units of environment-friendly mines. They exploited mines in accordance with relevant laws and regulations in 2013, and paid relevant fees and charges, including compensation fee for mineral resources and security deposit for mine restoration and control.