Hot points, 1). accurate tolerance 2). advanced processing technology 3). best quality and perfect service Product type alloy projected area(m2) or weight(kg) status executive standard 5 series ≤3000kg O, F hand forgings 2,67 series ≤3000kg T6,T4,O,F GBn223 5 series ≤2.5m2 O, F die forgings 2,6,7series ≤2.5m2 T6,T4,O,F ASTMB247 These alloy numbers can be supplied,1035 1040 1045 1050 1060 1065 ...