Cam controller can be used in automated equipment and various automatic assembly lines in industries such as steel, metallurgy, machinery, light industry, and mining for controlling the start, stop, and speed regulation of equipment; this dataset includes main raw materials, auxiliary materials, and energy used in production, but infrastructure such as production equipment and factory construction are not included within the dataset boundary; the data inventory is compiled from multiple data sources; the manufacturing activities of cam controllers mainly include the assembly process of components and auxiliary materials.