1, Airport Farmers' Market: Located in Airport Road, Qilihe District, Lanzhou City, this is one of the larger farmers' markets in Lanzhou City, where you can find all kinds of vegetables and ingredients, including Toona sinensis.

2. Wuquan Farmers' Market in Lanzhou City: Located in Xigucheng Street, Chengguan District, Lanzhou City. This farmer's market is also a famous market in Lanzhou. You can ask whether the store supplies Toona sinensis.

3. Lanzhou Market Lane Vegetable Market: Located in Market Lane, Chengguan District, Lanzhou City, this vegetable market is a popular place for local residents to buy food. There are many stalls selling all kinds of fresh vegetables and seasonal ingredients, including Toona sinensis. You can find a booth for supplying Toona sinensis here.