Administrative division refers to the province or city where your enterprise is located. Industry classification If it is a private enterprise, it is not a private enterprise. Industry classification refers to what industry an enterprise belongs to, namely manufacturing, commerce, service industry and agriculture, forestry, animal husbandry and fishery. Classification insurance, mining, energy, catering, hotels, telecommunications, real estate, services, clothing, non-profit organizations, advertising, aerospace, chemistry, health, medical care, construction, education, training, computers, metal smelting, police, fire protection, military, accounting, beauty, media, publishing, wood, paper, retail and wholesale.