Shanghai Kaiyue Electronic Technology Co., Ltd. is a private enterprise which integrates scientific research, development, manufacture and sales. It specializes in the production and sale of thyristor trigger, soft starter series for power regulation, intelligent voltage regulating module, thyristor switching switch for reactive power compensation, harmonic control scheme, medium and small solid state relay, medium frequency power supply and power supply. More than 700 product specifications such as power saving equipment. It is widely used in automation control fields such as industrial machine tools, communication, energy saving, electric drive and so on.