The main services are agency, hotel, catering, tourism, warehousing, leasing, advertising and other services. Invoice types: accommodation invoice, uniform invoice for catering and service industry, special invoice for advertising industry, car wash invoice, special invoice for storage, etc. There are industrial invoices, commercial invoices, invoices for processing, repair and repair industry, invoices for purchasing industry, invoices for transportation industry, invoices for construction and installation industry, invoices for financial and insurance industry, invoices for post and telecommunications industry, invoices for entertainment industry, invoices for service industry, invoices for transferring intangible assets and invoices for selling real estate, etc. as long as business can occur.