Solar Batteries,Gel Batteries,AGM Batteries,Nickel cadmium Batteries,Nickel iron battery,aircraft batteries,silvia zinc batteries,Lithium batteries, Battery chargers, UPS,Indoor and outdoor Frequency Converters 10KVA-16MVA/50hz/60hz/400hz for shipyard,shipbuilding,port,dock,ocean oil drill platform,oil and gas,Navy,aircraft, high-voltage circuit breaker,high-voltage disconnector,10KV-500KV oil-immersed transformer,voltage transformer,current transformer,high-voltage load switches,lightning arrester,which are used for power substations,Variable frequency drive,DC-DCcOnverters, Stabilizers, Solar Inverters, 110Vdc Electricity Inverters, 125VDC Industrial UPS, POE DC UPS. 110V/125V/220V Battery chargers and OPzV batteries,nickel cadmium batteries are used for 15MW-60MW power plants,10KV-500KV power substations,national grid,petroleum,electric power,thermal power,hydropower station,substations for breaker closing,signal control,remote communication,chemical,metallurgy,coal,paper making,machery,wine,textile,building materials,ect.