NDT INSPECTION FOR 05 GANTRY CRANES Alpha NDT has just supplied NDT service to Lilama 45-4 during its fabrication of 05 gantry cranes for Cat-Lai Port. The service includes RT for butt weld and UT, MPI, DPI for fillet weld beams. The total structure is up to 1,000 tones. Job is done within 02 months