Picking square bamboo shoots in Jinfo Mountain, Nanchuan, Address: Maozishan, Jinshan Town, Nanchuan (south slope of Jinfo Mountain). Price: 2-3 yuan/kg (fresh bamboo shoots) and 40- 100 yuan/kg.

Chimonobambusa bambusa mainly grows in the plateau mountainous area at an altitude of 1400 m to 2500 m, with a square shape, edges and corners. Its bamboo shoots do not appear in spring but flourish in autumn, which is a rare thing that grows by absorbing the aura of nature.