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Zibo Shizhuo Trading mainly supply special steel. Our company mainly deal in kinds of FORGED  STEEL RODS(Dia150mm-1200mm),FORGED BLOCKS, FORGED SHAFTS,FORGING (rings,disks,cylinders...)We supply carbon structural/tool steel,alloy structural/ tool steel,mould steel,bearing  steel ect.according your technical protocol. The steel gread we mainly deal is 4140,4340,1045, 1050, CK45,24CrMo4, 21CrMoV5-11, S355J2G3, H13, D2,D3, P20, 1.2738,1.2714,SKD11,718 ect.. Products cover  JIS,DIN, ASTM,GB and other standards.The  inside quality can meet ultrasonic testing standards, such  as SEP1921-84 C/c, D/d,JIS G0587 CLASS 2 and Chinese standards.The surface can be  black, heat-treated,rough  machined,bright and anti-rust according to customers' requirements. For us, the steel trade does not end with just trading steel! We are eager to do business with you!