Most of today's companies have automated machinery and equipment, and the electromechanical installation industry was born. Installation of equipment, lines and pipelines for general industrial and public and civil construction projects, substation projects of 35kV and below, production and installation of non-standard steel components. Mechanical and electrical installation is a relatively large-scale project. Some large enterprises need to spend nearly half a year to implement a project when relocating. Moreover, the technical requirements for installation are quite large. The project content includes boilers, ventilation and air conditioning, refrigeration, electrical, instrumentation, motors, compressor units, and radio, film, and TV broadcast control equipment.