Dongguan songshun mould steel CO.,LTD.as China's largest steel wholesaler,Main Steel has:4140 steel,D2 steel,4130 steel,H13 steel,P20 steel,AISI 4340 steel,1.2738 steel,1.2379 steel,1.2344 steel,1.2080 steel,Welcome to your contact,E-mail:songshun.mould.steel@gmail.com, TEL:86-0769-85475596.