On Apr. 16Apr. 18, 2011, the review meeting for national standard Nonferrous Metals Mining Design Specification (draft for review) was held in Changsha. The specification was compiled by CINF, ENFI and other four units.

The specification was revised in Apr., 2007 in accordance with No. [2006]136 Notice on Issuance for 2006 Engineering Construction Standard Specification Formulation and Revision Programs (second batch) issued by original Ministry of Construction. After the revision, it was upgraded from nonferrous industry standard (1992 edition) to the national standard.

In the meeting, the experts group reviewed the draft line by line and put forth the suggestions regarding the modification, supplement and perfection. The review of national standard Nonferrous Metals Mining Design Specification (draft for review) was unanimously agreed. Upon Meanwhile, it was suggested the chief editorial units finished the modification and perfection as soon as possible to form Nonferrous Metals Mining Design Specification (draft for approval) and documents for approval, and submitted to Engineering Construction Standard and Specification Management Office of China Nonferrous Metals Industry.