Chen chaying, member of the standing committee of the hebei provincial committee of the communist party of China and the secretary of the discipline inspection commission, went to haiwei petrochemical research
source£ºHebei Haiwei Group source£ºwww.haiweigroup.net
Chen chaying, member of the standing committee of the hebei provincial committee of the communist party of China and the secretary of the discipline inspection commission, went to haiwei petrochemical research