... .Air-warm valve.HVAC and fire works.3.Water equipment,auto-control watersystem,industrial mini-auto equipment, Small equipment for automatic control4 ... :Product/Service (We Sell): electric valve,motorized valve,electric water valve,mini electric valve,motorized ball valve,electronic valve,actuators,motorised valve ... EMS)/Air/Sea 2-way lower current motorized ball valve with water treament,solar hot ...