According to the "Business Tax Notes", the construction industry - installation refers to the production equipment, power equipment, lifting equipment, transportation equipment, transmission equipment, medical laboratory equipment, and other equipment assembly, placement engineering operations, including the equipment connected to the workbench, ladder, railing installation engineering operations and the installation of equipment, insulation, corrosion, heat preservation, painting, and other engineering operations, including.
Therefore, the system integration, monitoring and installation belongs to the "construction industry - installation" tax items, issued by the "construction industry uniform invoice".
Invoice content: information system integration project payment