Effective appointment of Mr. Mr. Zhang Haibin as the company secretary on 2 March 2015, Mr. Bao Xueliang ceased to be the company secretary and authorized representative of the company. From January 2012 to February 2015, Zhang Haibin was the head of general office, head of capital operation department and representative for securities affairs of the Company. From July 2012 to February 2015, Zhang Haibin was the head of division of party and masses' affairs.

Mr. Zhang Haibin has been a deputy general manager of the Company and the secretary to the Board since 16 February 2015. From July 2005 to March 2007, Zhang Haibin was a secretary of the general office of Zhengzhou Coal Mining Machinery Company.