1.Tight tolerance 2.Precision machining 3.Small quantity accepted 4.Various material available tem ... /OEM service4. Advanced equipment, excellent R&D teams5. Strict quality control systemMaterial:Steel, stainless steel, aluminum, zinc, copper, brass, plastic etcMachining ... , SolidWorks, Unigraphics, Auto CAD (IGS, STP, STL and X-T) Precision Aluminum Machining parts