... amplifier display part. 3.ISO9001:2008 & RoHs Specifications: Precision CNC Metal Parts1. Size: 1 3/8"*4 3/8"L ... alloy, and etc.3. Process technics: Extrusion, CNC Lathe, CNC Machining, Deburring, Drawbench, Oxidation Other technics available: CNC cutting, CNC grinding, casting, cold die ... for small orders, we can make the product by CNC lathe, CNC turning; For big orders, die casting is recommended.We ...