Zhai Bin: Born in 1965, graduate student, senior accountant. He used to be assistant accountant in the finance department of China North Industries Corporation, accountant in the general finance department, assistant manager in the finance department of the international cooperation department of China North Industries Corporation, deputy manager and manager of the financial audit department, chief financial officer of Shenzhen Xilin Industrial Co., Ltd., chief financial officer of North International Cooperation Co., Ltd., director of the financial audit department and inspection bureau of the international cooperation department of China Ordnance Industry Corporation, supervisor and chief accountant of Lingyun Group, and chairman of the supervisory board of Lingyun Group. He is currently a director of Lingyun Group, chief accountant (financial controller) of Lingyun Co., Ltd. and secretary of the board of directors.