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BD2G BD2F Carrier roller Top roller and Upper Roller
Product Information Material 50Mn BD2G top roller Finish Smooth Colors Black or yellow Technique Forging casting Surface Ha…… -
High quality Excavator track roller/top roller for Komatsu/Doosan/Hitachi
Product Information Material 50Mn/40SiMnTi Finish Smooth Colors Black or yellow Technique Forging casting Surface Hardness ……