1. wechat search for "Shenzhen tax" and pay attention to the official account of Shenzhen tax service number wechat;
2. After entering the official WeChat account, click "I want to do it" in the menu bar below the official WeChat account interface to enter the Shenzhen tax hall online;
3. Click "WeChat Tax Bureau" in the pop-up page;
4. Click "Company Query" at the bottom of the page and select "Invoice Query" to enter the query interface;
5. In the query interface, enter the invoice information and click "Check".