What is the manufacturing process of Wang Hei paper fan? How many processes are there?

The production of Wanghei paper fan needs to go through 86 processes such as pasting, folding, coloring, finishing, sanding and finishing. The landscape of the characters should be carefully drawn on the fan, inlaid with gold and silver patches, which is simple and elegant. Put it in the hot sun, soak it in cold water, boil it in boiling water, take it out and dry it for more than 10 hour. And a good fan. This kind of fan can not only cool off the heat, but also shelter from the rain, so it has the reputation of "an umbrella and a half".