Water treatment technical expert, deputy general manager and technical manager of environmental protection division of Tianjushi Group.

Graduated from Hebei University of Technology with a bachelor's degree in environmental engineering in 2004, Sun has served as the technical manager and chief engineer of several environmental protection companies.

Sun has been long engaged in environmental protection engineering design, construction, commissioning and other work, and has served as the design person and professional person-in-charge. The projects that Sun has been involved include: Sewage treatment project of the Ten thousand tons of antibiotic intermediates construction project (Phase II) of Yili Chuanning Biotechnology Co., Ltd., Jingdezhen Fuxiang Life Science and Technology Co., Ltd. Sewage Treatment Project, Valiant Co., Ltd. C9, C10, C53 Sewage Treatment Projects, Shanxi Gaoyi ten thousand tons of sewage reuse project, CSPC NBP Pharmaceutical Co., Ltd. Sewage Treatment Project, Shanxi Feihong Nano Photoelectric Technology Co., Ltd. Sewage Treatment Project, Sunflower Group Defel Pharmaceutical Co., Ltd. Sewage Treatment Project, Hebei Fanke Chemical Co., Ltd. Sewage Treatment Project, Hebei Lingang Chemical Co., Ltd. Sewage Treatment Project and nearly 80 other sewage treatment projects.