What sub-projects does the weak current project include?

Mingyuanyun Procurement understands the weak current system including:

Closed-circuit television monitoring system, burglar alarm system, access control system, electronic patrol system, parking lot management system, visual intercom system, home intelligent system and security system, background music system, LED display system, plasma splicing screen system, DLP large screen system, three-meter cc system, building automatic control system, lightning protection grounding system, paging intercom and professional intercom system, weak current pipeline system, UPS uninterrupted power supply system, computer room system, integrated wiring system and so on.