1) Iron and SS iron material 2) There are these materials that can be processed: 1025, 1035, 1070, 1) Iron and SS iron material 2) There are these materials that can be processed: 1025, 1035, 1070, 1050, SS304, SS316, SS316L 3) Heat treatment that can be carried on: anneal, quench, adjust the quality, flash back, vacuum treatment, high frequency is dealt with, the salt bath of nitrogen, deep cold ...