... etc.6) Testing equipment (foundry used): elongation tester, hardness tester, metallographic microscope, spectrometer, PC thermometer, CE ... caliper, micrometer, depth micrometer, raius caliper, digital caliper, digital depth caliper, ID micrometer, OD micrometer, multiple ... numerical control machine ,multi-purpose lathe(biaxial digital display), multi-purpose lathe, normal lathe ,horizontal ...