Construction Machinery Parts Undercarriage Parts Front Idler Assy Idler Material:50MnB/40MnBColors:Black or YellowTechnique:Forging/CastingSurface Hardness:HRC50-56,Deepth 4mm-10mmWarantty Time:1,800hoursCertification:ISO9001-9002FOB Price;FOB Xiamen USD20--250/pieceMOQ:2 piecesDelivery time:Within 30days after advance payment