There are several second-hand pallet markets in Baoan District, Shenzhen. Here are some common market addresses:

1. Near the intersection of Yegong Avenue and Avenue East Road, Tanglang Town, Nanshan District

2. Opposite to Hanting Hotel, Liyuan Street, Nanshan District

3. Near the intersection of Jiang Sha Road and Xinhu Road, Hangcheng Street, Baoan District

4. Near the intersection of Songfu Road and Fukang Road in Songgang Street, Baoan District

Please note that the above address is for reference only, and the actual situation may change. I suggest you reconfirm the address or contact the market for the latest information before you go.