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Dongguan,Guangdong,China China
Persona de contacto Mr bigowen
Dirección Dongguan, Guangdong
1.Grade ASTM4135/JISSCM435/GB35CrMo/DIN1.7220 2.Condition HotrolledorForged Annealing Blackormachined 3.Hardness 229HB 4....
1.Grade SAE5140/DIN1.7035/JISSCr440/GB40Cr 2.Condition Hotrolledorforged Annealed Blacksurface 3.Hardness 255HBS 4....
1.Grade DIN1.7225/SAE4140/GB42CrMo, JISSCM440 2.Condition HotrolledorForged AnnealedorQT BlacksurfaceorMilled 3.Hardness 2...
1.Grade ASTM8620/JISSNCM220/GB20CrNiMo 2.Condition HotrolledorForged Annealing blackormachined 3.Hardness 197HB 4.U...
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