Gold foil is a kind of Chinese traditional handicraft. According to the textual researches, the gold-foil technology came into being in the southern dynasties. It’s origin is the Longtan area in Nanjing,with a history of more than 1700 years according to the ledend. Nnanjing General Gold Threade&Gold Foil Factory has a production history of more than 40 years. It is the designated production base of Peorle’s Bank of China. The Dragon Phoenix Brand gold foil takes the lead in the quantity and quality of products in China. It was awarded the title of “Products of Quality” by Kiangs Province in 1984 and the title of “products of Quality” by Ministry of Light Industry in 1987, which makes it renowned at home and