Inner Mongolia Huiyin Mining Co., Ltd. is a subsidiary of Zhongrun Mining Development Co., Ltd., which holds 75.2% of Huiyin’s total shares.

In 2012,Zhongrun Mining made an additional investment of RMB50 million to Inner Mongolia Huiyin Mining Co., Ltd., providing financial support for the company’s geological exploration work with Chifeng Runyin Mineral Exploration Co. Ltd. The geological prospecting of Lemage Shan mine lot was fully completed based on the existing prospecting report. The mining area is estimated to contain 15.05 million tons of lead-zinc ores, 290,000 tons of Pb-Zn metal and 340 tons of associated Ag. The deposit type is medium-scale silver-lead-zinc polymetallic ore of medium grade. The prospecting report has passed the evaluation of the Inspection Center of Department of Land and Resources of Inner Mongolia in March, 2013 and now is amended and put on records based on expert opinions. The project construction of ore-dressing plant went well. “Project Filings of the New 3000t/d Lead-Zinc Concentrator” was approved by Economic and Information Bureau of Xilin Gol League on May 7, 2012; “The Preliminary Design Scheme of Mill Site” has already authorized by Shandong Metallurgical Design Institute; investigation of the major equipment of the new factory has been in process, with each kind of devices having 2 to 3 optional enterprises. The construction work will promote timely, in compliance with the whole project.