Petani resin Crafts consist of two series with seven colours. Antique series includes gold, brass,aerugo,copper,bronze. Fashion Series includes chinared and cinnabar.
The passivation patinas and the composition of each phases becoming more homogeneous are moderator to the dealuminization corrosion of high aluminum bronze.
Bronze Drums are often engraved by symbols of sun, flying man, aigrette, water wave, circle, and elephant eyes.Statues of frogs or ducks are used for decoration.