... as customized with UT Article: SKD61, SKD11, Cr12Mo1V1, Flat steel bar Grade:SKD61, SKD11, Cr12Mo1V1 etc. as customizedSize:20-800mmLength ... by the government, first-choice updating and upgrading products for national key industries of machine, locomotive, ship making, ... coal feeder, aviation, space flight, tool and new steel varieties required by national defense construction, defense production and ...