Technical Details (1) Type: Crawler Crane Undercarriage Parts (2) Material: 35SiMn (3) Technology: Casting (4) Heat Treatment: Whole quenching and tempering, then surface hardening (5) Advantage: Superior material; Strict quality control; OEM Quality (6) Place of Origin: Shandong, China(Mainland) (7) Warranty: 2500 Working Hours (8) Supply Ability: 5000 pcs/ Month (9) Package Detail: Export Standard Pallet/ Plywood Case (10) Port of Loading: Yantai, Qingdao, Shanghai