A key point in industry 4.0 is that "raw materials

A key point in industry 4.0 is that "raw materials" = "information".
Specifically, the raw materials purchased in the factory are "labeled" : this is the X product produced for customer A, and the raw materials of N processes.
To be precise, it is the use of "raw materials" containing information in smart factories that realizes "raw materials" = "information", and manufacturing will eventually become a part of the information industry.