Traditional suzhou investment casting is one of presentative technology of Chinese ancient investment casting

which form a set of amature process from late Qing dynasty to the republic of China.Wood pattern was used to wax pattern making

and antique copper arts are famous for true-like and dilicate features

named SuZhou paiste-wax technology.Based on the suviral pattern from the public of China

through coperating with the skiller and exploring the essential point of the ancient pattern

two pass procedures were reproduced

and essential point was summarized

providing a basis of inheritance and development.