1. Changzhou second-hand machinery trading market: This market deals in all kinds of second-hand industrial equipment and machinery, including conveyor belts, and its address is at the east of the intersection of Yulong Avenue and South Ring Road in Changzhou City, Jiangsu Province.

2. Local online second-hand platforms, such as 58 Tongcheng and Jiji.com, will also have sales information of second-hand conveyor belts. You can contact sellers or publish purchase information through these platforms.

3. Industrial product suppliers: Some industrial product suppliers may also provide sales services for second-hand conveyor belts. You can consult local industrial product suppliers or manufacturers.