1. School of Materials and Metallurgy University of Science and Technology Liaoning Anshan 114051 Liaoning Province P. R. China
2. Technical Center ShiGang JingCheng Equipment Development and Manufacturing Co., Ltd Yingkou 115000 Liaoning Province P. R. China
3. Technical Center Henan Zhongyuan Special Steel Equipment Manufacturing Co., Ltd Jiyuan 454650 Henan Province P. R. China