What is the content of the invoice for purchasing the security door?

1. The invoice header should be the buyer's full name or company name, and the buyer's tax registration certificate number should have a unique and continuous invoice number, and each invoice cannot be repeated.

2. The invoice date is the invoice date, indicating the brand, model, quantity, unit price and other information of the purchased security door, and indicating the applicable tax rate, such as 16%.

3. The seller information includes the seller's name, address, telephone number, bank account number and other information, and the buyer information includes the buyer's name, address, telephone number, bank account number and other information.