Beijing Ledehua Electric Technology Co., Ltd.
[ Manufacturer Trader ]Main business are Green non pollution high frequency switch direct-current power supply system, Module switch power source, Module power source, Power direct-current power source, High voltage frequency changer, Non insulation DC/DC changer, Insulation type DC/DC changer,
Tianjin Zhongohuan System Engineering Co., Ltd.
[ Trader ]Main business are Sectoring selector, Multiprogramme selector, Microphone preamplifier, Microphone input unit, Guest room emergency switcher over divice, Monitoring disk, Power amplifier, On-top box change-over element, Direct-current main controller, Line amplifier