FILE - In this Monday, April 7, 2008 file photo, Sinopec President Wang Tianpu attends a news conference announcing the firm's annual results in Hong Kong. China's ruling Communist Party said Friday, Sept. 18, 2015, that it is stripping Wang, the former general manager of the country's largest oil refiner, of party membership and handing him over to prosecutors after an internal investigation found evidence of corruption. (AP Photo/Vincent Yu, File)