Imitation antique bronze drum for tourism was produced by investment casting. The bronze drum with thin wall and hollow structure exhibits plane shape with curved waist

and there is delicious ornamentation on the drum mould

where concave dermal ridge on complicated pattern is only 0.1

0

.2 mm

exhibiting smart and delicacy structure. Bronze copper was used

and wax pattern making adopted paraffin and stearic acid . The bronze drum was produced successfully by shell-making and pouring.