On July 1617, a review conference on the national safe production industrial standards Mn Residue Dam Safety Technical Specifications (hereinafter called Specifications) was held in Beijing. CINF is the editorinchief of the Specification, other seven units, including Zhongye Changtian International Engineering Co., Ltd participated in the compilation. The leader of No. 1 Division of State Administration of Production Safety Supervision and Management and experts committee (10 experts, including Professor Tian Wenqi, the commissioner), the editorinchief and participants attended the conference. It was hosted by No. 1 Division of State Administration of Production Safety Supervision and Management. The expert committee for the review is of opinion that the Specifications are consistent with the current standards, and there is no significant difference in opinion, so the review for the Specifications was unanimously agreed upon. According to the review opinions, the Specifications should be revised by the compilation group to form draft for approval and submitted to the national safe production supervision and management administration for authorized release