Former party secretary Zhang Hongshan of Sinopec Shengli Petroleum Engineering Co., Ltd. is under investigation.

According to the Discipline Inspection and Supervision Group of the Central Commission for Discipline Inspection and the National Supervisory Commission stationed at Sinopec, Zhang Hongshan, former party secretary and executive director of Sinopec Victorious Petroleum Engineering Co., Ltd., is suspected of serious violations of discipline and law, and is currently undergoing discipline inspection and supervision investigation by the Discipline Inspection and Supervision Group of the Central Commission for Discipline Inspection and the National Supervisory Commission stationed at Sinopec.