Mr. Dai obtained a master's degree in Energy and Environment from the City University of Hong Kong, and now he is engaged in the research of policies and regulations in the environmental field, especially the research on the atmospheric environment and the harmless disposal of hazardous wastes and resource utilization. Mr. Dai has extensive field experience in the standardized management of hazardous wastes and environmental risk management and control of industrial enterprises. He has customized hazardous waste compliance solutions and training for many Fortune 500 companies as well as many international mining associations and well-known international electronic brands and is proficient in relevant laws and regulations standard.