Incubating
A piece of black gold paper of 10 cm in square is put into the incubator for heating, in order to expand gold quickly after spills are installed as the next procedure.
Layering with black paper
Tiny spills are put into the black gold paper of 100 x 100 mm, commonly called “Kaizi”. A spill is put between each piece of black gold paper, until 2304 layers are filled with spills.
Machine hammering
Tiny spills of 30 x 30 mm will be hammered by machine about 3000 times, so as to be expanded to be 50 x 50 mm. Then big spills of 50 x 50 mm will be further hammered by machine about 2000 times to be expanded into 100 x 100 mm.
Second layering
Kaizi will be put into the black paper of 195 x 195 mm. Each kaizi is placed between each piece of black gold paper, until 2304 layers are filled with it and packed in a craft paper bag.
Papering
With goose feather, the worker gingerly takes out the gold foils with workmanship from the black gold paper piece by piece. Then, they will be arranged into piles of gold foils and put into paper in the shape of square foils (a piece of paper is put between each foil). Each set will consist of 100 pieces and the cut off pieces will be used as fringe foils.