... -screen etc 3.Fast deli Item No.:OEM CNC Machine PrototypeSLA and SLS: Why Use StereolithographyStereolithography is very similar ... SLA,when surface finish and overall appearance straight from the machine is the most important factor in the prototype. Stereolithography ... Holder, Paper Holder,Head Shower etc.Medical device:Dental Unit,Heart Operation Instrument,Otoscope etc.Digital Product:TV,DVD Players ...