... )5,CNC Aluminum/Brass/Copper/Bronze CNC machining/machined parts (for 1-500pcs)6, Automotive and medica equipment Prototypes (for 1-100pcs)7, Sla ... , Catia, Auto CAD, *.igs, *.stp, *.stl, *.x-tMain Fields1.Digital & Communication product,such as :mobile phone,cell phone,note book,MP3 ...