The national intangible cultural heritage black copper walking silver is a unique pure copper craft in Yunnan, which was founded in Shiping County, Yunnan during the Yongzheng period of the Qing Dynasty,
It has a history of nearly 300 years.

Black copper takes silver with black copper (secret recipe) as the tire, engrave various patterns on the tire, and then melt the pure silver (or gold) into the pattern pattern
In the scoring, the high temperature is used to integrate silver (or gold) and black copper, and then through the molding, assembly, polishing, polishing, black and other technical
After the treatment, the bottom copper naturally becomes black, revealing a silver (or gold) pattern, showing a black and white (or black and yellow) clear technical effect.

Ink cartridges, utensils for ink, stationery.
Wufu Longshou is a traditional auspicious pattern widely circulated among Chinese people. It is composed of five bats surrounded by longevity or peaches, which means more blessings.
long life. The bat of the bat is the same as the word Fu, so the five bats represent the five blessings. Five bats often surround the word "five blessings and longevity".

The combination of black copper silver and ink cartridge makes the delicate degree of ink cartridge reach a new height, which is also a kind of inheritance of black copper silver handicraft;
Although it is not practical for most people in modern times, its own intangible cultural heritage handicraft production and high materials still have a high yield.
Hiding, playing and using value.