... ISO&CE certification Highest Quality Casting Iron Machine Tool Bed Material: GBISOASTMENJISGB/T9439 HT250ISO 250ASTM 12401EN ... machining, assembling and operating.Iron casting inspection including:Routine testing: Dimension, appearance, Surface visual, chemical analysis, mechanical ... properties;Non destructive testing: UT,MPI, RT, PT, ET and vibration testing. The machine tool beds we offered could ...