Where can I sell second-hand mobile phones in Nanchang?

Hello, I know the addresses of these two families, so I can go and have a look:

1, Nanchang Chuangyi used mobile phone store

Address: No.333 Guangchang South Road, Xihu District, Nanchang

2. Second-hand mobile phone market

Address: in front of Bayi Square

I hope my answer can help you.