UPS Power System, Storage Battery, Solar Inverters manufacturer / supplier in China, offering Online UPS Manufactor1kVA 2kVA 3kVA 6kVA 10kVA Single Phase Pure Sine Waveform for Reliable Power Backup, 3: 3 Online High Frequency UPS 200kVA Industrial Isolation Transformer Upds Power, 10kVA 15kVA 20kVA 30kVA Low Frequency UPS 3 Phase in 3 Phase with Isolated Transformer and so on.