NH Fire (Shenzhen) manufactures fire alarm sounders and self-contained smoke alarms alongside clean-agent suppression products aimed at battery energy-storage protection. It is listed in the LPCB Red Book as a co-licensee on the 1529 certificate family, covering EN 54-3 audible warning devices (1529b-cl-1) and EN 14604 self-contained smoke alarms (1529a-cl-3), and holds UL file EX28774. The company was established in Shenzhen in 2006.