The process of "indigo production" and "Valeriana blue production" cannot be quantified, and they are all passed down by experience. The production process of Wenzhou Lanjiawei has a pedigree, which is basically inherited by teachers or families. 1. The engraving process is the essence that distinguishes Lan Jiawei from other printing and dyeing processes, and the inheritance of engraving artists determines the continuation of Lan Jiawei's skills. Woodblock prints used in Lanjiawei Dyeing House in various regions of Wenzhou are produced and supplied by two woodcut families in Ruian City (county-level city).

Second, the inheritance pedigree of indigo production: indigo is the printing and dyeing liquid of Valeriana officinalis. In the history of Wenzhou, indigo planting areas include the southern foot of Zhongyan Mountain in Yueqing, Wencheng Yuhu Lake and Pingyang Tengjiao. Among them, more than a dozen villages at the foot of Zhongyan Mountain in Yueqing, such as Chishuiyang and Huangtan Cave, produce high quality and quantity of indigo, and are called "indigo villages". There are still more than 40 old indigo farmers.

Third, the inheritance pedigree of printing and dyeing: The blue javelin was once the daily quilt cover of Wenzhou, and the dyeing houses that printed the blue javelin were all over Wenzhou towns. According to statistics, there were more than 200 dyeing workers at that time, and there were more than 60 living dyeing workers. Among them, Xue Xunlang, Yao, Chen and his son, Lu Fagui and others are currently engaged in the printing and dyeing of blue clip valerian.