Mr Xu is Deputy Director-General of the East China Mineral Exploration and Development Bureau (ECMED). Mr Xu is the current General Manager of ECE, Deputy Managing Director of Jiangsu Geophysical Society, the Chairman of HK ECE, Hong Kong East China Non-Ferrous International, Mineral Development Co Ltd, Namibia East China Non-ferrous Investments Pty Ltd and other OCMED wholly owned subsidiaries. Mr Xu joined the board on 24 May 2012 and was appointed as Chairman on 26 June 2012.