... castings, secondardy machining to Polish and plating, we all finish in our own factory. Which makes us ... 0.0005inch5)Surface Finish: Bright/Matt Chrome plating, nickel plating, brushed nickle, satin nickle, golden plating, bronze plating, sandblasting, painting, powder coating, ... milling, drilling, grinding, cutting, reaming and threading3) Plating: In house polishing, brushing, chrome plating, nickel