What bamboo is Xiao's musical instrument made of?

You can make all kinds of bamboo, such as Bitter Bamboo, Zhu Gui Bamboo, Zhu Xiaofei Bamboo, Maojinzhu Bamboo and Shuizhu Bamboo. Most of them are purple bamboos now. In fact, the sound quality is similar, but the quality and preservation of materials, as well as the tuning and production process are different, and the price is different. 3.4-year-old bamboo can make a good shaw, depending on the level of technology.