... : 30-50days Place of Origin: Ningbo, China Software for specification drawings: PDF, Auto CAD, Solid work, JPG, Proe ... chasing ,heat treatment,machining service.6. Manufacturing equipment (foundry used): cupola, electric furnace, resin-bonded, dry sand ... machine,normal lathe, line cutter etc.7. Testing equipment (foundry used): elongation tester, hardness tester, metallographic microscope, spectrometer ...