... drilling, tapping processing, CNC precision machining service2. Material: Carbon steel, Steel alloy, stainless steel, aluminum, brass, bronze, plastic (PVC, POM etc.)3 ... for sale. InspectionAll the products are strictly inspected by operator and skilled QC. The dimensions of first parts, middle parts and final parts ... .2. Drawing Software: Solid work, Pro/E, AutoCAD CAM high precision cnc turning part