What you want to ask is how to check Qingdao electronic invoice without invoice code? By inquiring on the website of State Taxation Administration of The People's Republic of China, People's Republic of China (PRC).

1. First, open the website of People's Republic of China (PRC) State Taxation Administration of The People's Republic of China and enter the "VAT invoice inspection platform" page.

2. Then enter the invoice number of the electronic invoice in the input box at the top of the page.

3. Then enter the verification code in the verification code input box at the bottom of the page and click the "Query" button.

4. The final query result will be displayed in the center of the page, including invoice code, invoice number, invoice date, seller name, amount and other information.