Introduction of blue editing technology

The blue clip technique is one of the traditional four clip techniques of Han nationality in China and Zhejiang. Blue Valeriana is a kind of fabric with various patterns, dyed with indigo, silk or cotton, sandwiched between two symmetrical boards. Most Han people use blue valerian as quilt cover, which is necessary for marriage. From indigo production to carving to printing and dyeing, Lanjiawei has complicated procedures and exquisite craftsmanship, which is the crystallization of Han folk wisdom and the embodiment of Han traditional culture. Hundreds of years of handicraft inheritance is a living fossil of block printing and dyeing. The blue clip technology has a history of thousands of years in China. "Javalle" refers to the silk fabric dyed with patterns in the ancient imperial court, which was later spread to the Han nationality and dyed on cotton cloth, also known as "Javalle". In southern Zhejiang, China, blue grass juice is used as a dye to dye patterns on silk or cotton fabrics, which is called "blue valerian". Chinese blue valerian, Japanese blue semi-iron and red semi-iron are three kinds of valerian with the same root. On May 23rd, 120 1 1 Valeriana officinalis was approved by the State Council and included in the third batch of national intangible cultural heritage list.