How to promote the sale of second-hand mobile phones on WeChat?

How to promote second-hand mobile phones on WeChat is as follows:

1. First, add more friends through WeChat.

2. Open the WeChat circle of friends, and then enter the promotion information of the second-hand mobile phone in the writing talk, and then publish it.

3. Make a second-hand mobile phone promotional picture and generate a QR code to share with the WeChat circle of friends.

4. Join multiple WeChat groups and send the promotion information and introduction of second-hand mobile phones in the chat window.