How about Zhang Hongyang's flute?

The flute made in Zhang Hongyang is very good. According to relevant public information, Zhang Hongyang went to Tongling Bridge in Yuyao, Zhejiang, the hometown of bamboo flute in China. Tongling Bridge has 3067 hectares of miscellaneous bamboo, which is rich in bamboo flutes. Zhang Hongyang stumbled upon a pillar and got the idea of making a bamboo flute with a thick bowl. This is the Dragon Flute. Dragon flute is made of slate beads. This kind of bamboo needs to grow for many years to meet the requirements of dragon flute. From pressing holes to scales, Zhang Hongyang finally developed the world's first dragon flute. At this time, Zhang Hongyang is the only person in the world who can play the dragon flute.