Gas leak alarms; alarms and warning equipment; bells(warning devices); explosion-proof switches; burglar alarms; limit switches; waterproof switches; emergency warning lights; sirens; switches for ships; signal lights; sound alarms; alarms for the detection of inflammable gases; electrical and electronic burglar alarms; electric alarm bells; electric theft prevention installations; electrical signalling apparatus; switches for heavy loading; fire alarms; cameras for CCTVs; LED drivers; MP3 players; warning lamps(beacons); alarms; alarm bells; network controlling apparatus; road warning lamps; wireless transmitters and receivers; luminous signalling panels; video cameras; alarm monitoring devices for ships; flashing lights [luminous signals]; alarms for fire fighting; inverters; electronic display; electric buzzers; electric process control units; electric switched spurs; electrical push button switches; electric alarm bells.

Online and offline wholesale services for alarm systems; online and offline retail services for alarm systems; online and offline wholesale services for limit switches; online and offline retail services for limit switches; online and offline wholesale services for sirens; online and offline retail services for sirens; online and offline wholesale services for sound alarms; online and offline retail services for sound alarms; promoting the goods and services by means of operating an on-line comprehensive shopping mall; business intermediary services relating to mail order by telecommunications.