Why is Zhang Jinshan called Degang Guo?

Zhang Jinshan is called Degang Guo because Mr. Zhang Jinshan and Mr. Degang Guo of Deyun Society are the same generation. Zhang Jinshan, the teacher of Deyun Society, and Degang Guo of Deyun Society are the same generation. Zhang Jinshan is a creative crosstalk performer. Many people in the phonology world have used bags made in Zhang Jinshan. Later, he was invited to Deyun Society by Degang Guo, mainly because crosstalk writers also performed crosstalk on the stage. Teacher Zhang Jinshan is very humorous in the cross talk performance, especially when he smashed the cross talk on the spot.