... Stainless Steel Precision turned parts/CNC lathe parts/turning parts Stringent quality control, meets RoHS directive ... incoming RoHS test, materials processing (turning, milling, grinding, welding, polishing, ultrasonic wave cleaning, finishing testing) (RoHS tester, ... bronze, aluminum alloy, zinc, stainless steel, and iron Finishing: zinc, nickel, chrome, aluminum alloy plating, anodizing, ...