1, WeChat official account: Through the search of WeChat official account, we found various WeChat groups that scanned the code into the group. These groups are usually based on WeChat group, but the traffic is extensive, which may not bring high customer unit price.

2. Baidu Post Bar: Search related industries in Baidu Post Bar, such as Free Fish Post Bar, and you can find many WeChat exchange groups. You can join the group chat by adding the owner's WeChat.