... Solidworks, Unigraphics, Catia, Auto CAD, *.igs, *.stp, *.stl, *.x-tMain Fields1.Digital & Communication product,such as :mobile phone,cell phone,note ... book,MP3,MP4,DVD,VCD,CD,DV,digital camera,fax machine,key board,mouse,numerator ect.2 ... cookers and many other home electric appliances.4)Medical equipment:ultrasonic machine,X ray machine,Hemodialysis instrument,monitor,analyzer ect.5) ...