In 2022, Ma was still working in Yuncheng. Yuncheng Thermal Power Co., Ltd. was established on March 6, 2007 with a registered capital of 654.38+million yuan. As of August 27th, 2022, Ma was still the legal representative of Yuncheng Thermal Power Company, and held senior management positions of Yuncheng Thermal Power Company Limited and Yuncheng Jinjian Thermal Power Company Limited.