Javalle is an ancient printing and dyeing process, which dynasty originated from ()

Jia Valle is a distinctive traditional handicraft of fabric printing and dyeing in ancient China, which originated in Qin and Han Dynasties and prevailed in Tang and Song Dynasties. It is the source of printing and dyeing in China. It can be called the mother of printing and dyeing technology in China, and it has been a national gift since ancient times. These fragments are now regarded as national treasures by some world-class museums abroad. Javalle mainly uses a set of symmetrical patterns to clamp silk tightly and immerse it in indigo dye solution to get dyed fabric, so experts call it "Blue Javalle".

Tie-dyeing process is divided into two parts: knotting and dyeing. It uses tools such as yarn, thread and rope to tie, sew, tie, weave and clip the fabric. The process is characterized by using printing and dyeing technology to twist the thread into a knot in the printed fabric, then printing and dyeing, and then removing the twisted thread.

It has 100 variety of changing techniques, each with its own characteristics. For example, "rolling and twisting" is full of halo, which changes naturally and is interesting. What is even more surprising is that every kind of flower, even if there are thousands of flowers, will not be the same after dyeing. This unique artistic effect is difficult to achieve by mechanical printing and dyeing process.

In 2007, Zhang from Zhoucheng, Dali, Yunnan Province was recognized as a national inheritor of tie-dyeing. 20 1 1 Nantong tie-dyeing technique applied in Hai 'an County has been listed in the intangible cultural heritage list of Jiangsu Province. 20 14 jiao was named as the provincial inheritor of Nantong tie-dyeing skills. The variegated dyehouse in Chengpu Town, Dali Prefecture was listed as a national demonstration base for productive protection of intangible cultural heritage by the Ministry of Culture.