Bai Hua: Male, born in 1970, certified public accountant in China. In 2003, he graduated from the Business School of Wuhan University with a doctorate in management. He is currently a professor and doctoral supervisor in the accounting department of Jinan University School of Management. He is also a director of Guangdong Audit Institute and a member of the Propaganda Committee of Guangdong Institute of Certified Public Accountants. From April 20 12 to June 20 17, he served as an independent director of Rongjie Co., Ltd. (002 192). SZ)。 From February 20 14 to February 20 18, he was appointed as Guangdong Mingjia United Mobile Technology Co., Ltd. (300242. SZ, now renamed as Guangdong Kaiser Jiayun Technology Co., Ltd.). From June 20 13 to June 20 19, he served as Guangzhou Yichang Technology Co., Ltd. (002420. SZ)。 2005 20 1 1 to 2065438 2065438 201/any poinsettia pharmaceutical co., ltd (300723. SZ)。 2065438+Since February 2008, he has served as Shenzhen expressway Company Limited (600548. SH，00548。 HK)。