1. Significance and function of material identification: introduce the importance of material identification and the benefits that can be brought by using material identification correctly, such as improving production efficiency and reducing error rate.

2. Types and classification of material identification: Introduce common types of material identification, such as barcode, QR code, RFID, etc. , and the classification methods of different types of material identification, such as by material type, by material status, etc.

3. Coding rules and formats of material identification: Introduce the coding rules and formats of material identification, such as EAN- 13 coding rules of bar code, QR code format of QR code, and how to correctly interpret the coding information of material identification.

4. Application scenario and operation flow of material identification: Introduce the application scenario of material identification in the production process, such as warehousing, warehousing, material tracking and the correct operation flow of material identification in the production process.