DC Power Supply, Frequency Converter, Inverter manufacturer / supplier in China, offering Industrial Bidirectional DC Power Supply Module for Electronic Equipment, 5kv 10kv 20kv 30kv 40kv 50kv 60kv 100kv 150kv 200kv 300kv High Voltage DC Power Supply, 200kVA Low Harmonic Frequency Converter for 60Hz Equipment and so on.