Excavator Parts (Komats Excavator Arms) Certificate:ISO9001: 2008 NDT: UT/PT/MT Throughput: 60,000 metric ton per ye ... .Manufacture ProcedureCutting, Shaping, Assembling, Tack Welding, Expose Major Welding, Nondestructive Inspection, Stress Relief Annealing, Shot Blasting, Finishing/Machining, Coating, Completion InspectionWelding ...