... cold work steel supply 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 ... hope to establish long-term cooperation relationship with you. Grade: Cold Work Steel Standard: AISI, ASTM, BS, DIN, GB, JIS, ... songshun DIN 1.2379 cold work steel Fax: 86-769-82285809 songshun DIN 1.2379 cold work steel Contact E-mail: ...