“…Innovative product development, smart product development for smart production, circular economy, etc. [20] made it possible to select indicators characterizing the development level of an industrial enterprise, as well as to group and build their hierarchy. At the same time, classes (Ki, i = 1, 2), their constituent subclasses (Zi, i = 1-6), and subgroups (Yi, i) (Table 1) were distinguished.…”