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The production process of gold foil is unique and requires high technical requirements. It has been handmade since ancient times.

Generally, we can observe with the naked eye that real gold foil will appear green when exposed to light

They are: gold ratio, gold bar, leaf beating, twisting, gold opening, gold twisting, gold opening, installation, kang pit, fine beating, issuing, and

Gold foil is divided into "red gold" and "gold". Since the late Qing Dynasty, it has been called "Kujin foil", "Su Da Chi" and "Tian Chi gold".

Gold foil is a thin sheet made of gold. Due to its good ductility and plasticity, one ounce of pure gold can be hammered into a gold foil with a thick