What is Shu brocade Why is it very precious in the TV series Harem Zhenhuan biography only a few pairs a year

Shu brocade refers to the brocade silk fabrics produced in Chengdu City, Sichuan Province, China, most of the warp to the colorful strips as the basis of color, and colorful strips to add flowers, its pattern is luxuriant, fine weaving, elegant color scheme, unique, is a kind of colorful brocade with national characteristics and local style. It is a colorful brocade with national characteristics and local styles. It is known as China's four famous brocades together with Nanjing's Yunjin, Suzhou's Songjin and Guangxi's Zhuangjin, and has the reputation of being the first of China's four famous brocades, which is known as "Oriental Treasure, China's best" for its long history and unique craftsmanship, and it is China's precious traditional cultural heritage.