There are mainly the following types of invoices in Suzhou, Jiangsu Province: 1. Small invoices printed by computer, such as catering, entertainment and supermarkets; 2. Small invoices with fixed face value, such as taxis, small catering businesses, copy shops, etc. 3. Handwritten or computer-printed invoices with variable amounts, such as shopping malls, shops and building materials stores; 4. There are invoices issued by national tax, local tax and tax office, such as engineering invoices; 5, telecommunications, mobile, China Unicom, electric power, water and other units have their own special invoices. 6. Factories and mines have VAT invoices, etc.