The tax code for invoicing smart door locks is 10804 16. Tax classification name: locks and their accessories. Invoice product name: metal products smart door locks.

The tax code refers to the taxpayer identification number of the enterprise.

The taxpayer identification number is the number on the tax registration certificate, usually referred to as "tax number" for short, and the taxpayer identification number of each enterprise is unique.

Smart lock is a kind of software that can encrypt your application. When you open the encrypted application, you need to draw a pattern or enter a password to unlock it before you can run the application. Smart locks fully protect their privacy, and some programs that don't want others to use can be protected.

Smart lock is a kind of software that can encrypt your application. When you open the encrypted application, you need to draw a pattern or enter a password to unlock it before you can run the application. Smart locks fully protect their privacy, and some programs that don't want others to use can be protected.