Wang Jun: Male, born in 1972, graduated from Nanjing University of Science and Technology with a bachelor's degree in chemical engineering. He used to be a technician in the First Research Department of China Ordnance No.204 Research Institute, a staff member, deputy manager, manager of catalyst production department of Sinochem Hyundai (Xi 'an) Environmental Protection Chemical Co., Ltd., deputy chief engineer and chief engineer, chief engineer and general manager of Sinochem Taicang Chemical Park, and deputy general manager of Sinochem Lantian. 20 17 joined sinochem international, and served as deputy general manager and general manager of operation management department. He is currently the deputy general manager of our company.