1. Entity Musical Instruments: Bamboo flutes can be found in all major musical instruments or music equipment markets in Chengdu, including Jinhua Musical Instrument City and music equipment stores in Kuanzhai Lane.

2. Online shopping platform: You can search and buy bamboo flutes through online shopping platforms such as Taobao, JD.COM and Suning.cn. Some specialized musical instrument online stores can provide WeChat payment options.

3. Social media groups or second-hand markets: Find discussion groups about musical instruments in Chengdu's social media groups such as WeChat group and QQ group, or search for playing bamboo flute in second-hand market applications such as Zhuan Zhu and Xianyu. After communicating with the seller, you can use WeChat Pay to make payment. Chengdu, also called Rongcheng and Jincheng for short, is a prefecture-level city under the jurisdiction of Sichuan Province, a provincial capital, a sub-provincial city, a megacity, a national central city and a world food capital.