China's largest contract chipmaker stressed in its filing Gao had no disagreement with the board, but didn't say if he will stay at the company following his resignation. His successor is a member of the 14th National Committee of the Chinese People's Political Consultative Conference, the top advisory organization to the country's parliament. The new chairman, a chemist-turned executive, holds or held several roles at state-backed energy firms such as Sinopec Shanghai Petrochemical Co. and the Huayi Group.