Hadi Erfani is from Iran. His National Researcher Code is (9833151000034). His research is interested in Chemistry, Chemical Engineering, Nano, Research & Development, Optimization, and Standardization. His work experience including the Institute of Natural Science & Advanced Technology as Institutional Member, Journal of Chemical & Biological Science as Technical Editor, Scholars Academic & Scientific Society as Organizing Committee Member, Journal of Nanotechnology & Material Science as Reviewer, Journal of Material Sciences & Engineering as Editorial Board Member, Cooperation with International Conference Oil & Gas Singapore_2019, Global Chemistry Congress Italy_2019, Virtual Training Institute A2Zelearn as Tutor & Editor of Courses, Scientific Representative & Authorization of International Companies, University, Institute, Avens Publishing, ABS Publisher, Ommega Publishers etc.