Can be engaged in design, production, sales, technology, management, supervision, maintenance, project manager, supervisor and other work. In the construction industry, communication industry, intelligent product industry, property logistics, electronic manufacturing, automation design industry, etc. The certifications that can be obtained include: intelligent building manager, integrated wiring certification project (weak current), integrated wiring design (CAD) of design institute, installation and maintenance technical engineer, intelligent building supervision engineer, integrated wiring product sales manager (supervisor) and so on. Every building with more than 10 floors needs an engineering maintenance technician. The country needs 700,000 personnel positions.