... 10 years experience 4 Axis CNC machining precision parts We are a professional manufacturer in China being ... we can deal with precision CNC milling parts, CNC turning parts, other machining part, grinding parts, wire cutting, polishing, heat treatment ... steel ,spring steel ,aluminum alloy, brass, bronze, copper, plastic ,according to customer request4).Finish: Anodizing ,plating, electro-polishing, ...