China OEM CZPT Excavator PC100 Undercarriage Gear Drive Sprocket 由 ep | 9 月 23, 2023 | Product CatalogProduct Description Sprocket RimMaterial: 40MnTechnology: Forging or CastingFinish: SmoothHardness: HRC50-60Deepth: 4mm-10mmHeat treatment: QuenchingDimensions: International StandardPort: HangZhouSupply Ability: 100000 Piece/Pieces per Month can improvePackaging...