What does Ma Songchao do? Independent director of Lingyun.

Ma: Male, born in 1972, bachelor degree, certified public accountant, asset appraiser and certified tax agent in China. He used to be project manager of Zhongce Certified Public Accountants, chairman of Zhongxin Certified Public Accountants Co., Ltd., independent director of Zhongcheng Import and Export Co., Ltd., Beijing Yihualu Information Technology Co., Ltd. and Shanghai Aishi Co., Ltd., and now he is a partner of Zhongtianyun Certified Public Accountants (special general partnership), chairman of Beijing Xinliheng Tax Accountant Co., Ltd., China Nuclear Industry Construction Co., Ltd., Beijing Weikawei Auto Parts Co., Ltd. (retired at the end of April 2020) and independent director of Beijing Kelan Software.