Tanda (泰和安) designs and manufactures addressable fire alarm control panels, detectors, sounders and optical beam detectors, alongside electrical fire monitoring and intelligent evacuation indication systems. Its Qinhuangdao manufacturing site holds LPCB-assessed ISO 9001:2015 under certificate 1330, scoped explicitly to the design and manufacture of fire alarm detection systems and components, and the 1330 certificate family covers EN 54-12 beam detectors (1330a), EN 54-3 sounders (1330d) and EN 54-2 with EN 54-4 control equipment (1330h). Founded in 2008, the group runs its head office in Shenzhen and places approved product on the UK and EU market through a British subsidiary.