♦ Prof. Amin Abdelrahim Abdelrahman Elhawary
Professor, Emeritus of the Mining Engineering Department, Faculty of Engineering, University of Khartoum.
Email: Elhawary46@yahoo.com
Tel: +249915143935 Sudan & +20626381172 Egypt
♦ Prof. Yamei Zhang “张亚梅“
Professor, School of materials science and engineering, Southeast University, Nanjing, Jiangsu, China
Email: ymzhang@seu.edu.cn
Tel: +8613815873805
