One, the enterprise business model classification: such as wholesale, survival, business services, etc. Two, industry classification: such as food, office literature and education, clothing, computers, chemicals, gifts, construction and building materials, printing, energy, transportation, warehousing, exhibitions, financial services, catering, tourism and so on Three, the annual turnover classification: according to the annual turnover of the enterprise screened out to meet the needs of the enterprise to classify the four, Classification of business registration year: according to the year of business registration to be categorized V. Enterprise size: according to the size of the number of employees of the enterprise size to be categorized