What is the name of the flute accompanied by Bangzi Opera?

Bangdi is used to accompany the northern Bangzi opera. The flute body is thin and short, and its timbre is high, bright and powerful. It focuses on the use of tongue skills, such as the northern folk music Bangzi and Welcome by Feng Zicun, a famous flute player. In the performance, it shows strong local color, intense use of breath, rapid tongue playing and strong overlapping sound.