Rapid prototyping services is a hot field today with the 3D printing technology continually development. It will waste too much cost in a whole product development of stage if without prototype testing.
Subtractive modeling uses CNC machines to cut material to achieve a 3D part. This process could be used for both prototype and final product production.
Aluminum alloy is low in density but high in strength, close to or superior to high quality steel, good plasticity, excellent process ability, excellent welding characteristics and electroplating.