According to the discipline inspection and administration of the Central Commission's group for discipline inspection and the National Supervisory Commission set up at China Post Group Co, LTD and the Guizhou Provincial Commission for Discipline Inspection and Administration: Chen Bichang is the discipline inspection and administration of the Central Commission group for discipline inspection and national supervisory Post Group CO, Ltd. and supervision investigation of the Guizhou Provincial Qiannan Prefecture监督委员会。