Investment casting was developed over 5500 years ago and can trace its roots back to both ancient Egypt and China. We produce this item using an investment casting process. Starting their life as wax pieces, then set pins in an investment, oven baked where the wax that is vaporized and replaced by molten metal. Material: Copper Enamel: Without /Soft Enamel /New Enamel (Imitation hard enamel) /Color resin
