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The processes or technologies related to powders include ultrafine grinding, precision grading, high homogenization, dispersion, composite coating, modification, drying, sintering, storage, packaging, transportation, etc. These related powder processing technologies have been widely applied in various fields or industries of the national economy such as electronic information, aerospace, new materials, new energy, biotechnology, building materials, machinery, plastics, rubber, mining, metallurgy, medicine, food, feed, pesticides, resource regeneration, etc., and have become recognized as essential foundational technologies closely related to modern science and technology and rooted in traditional industries.