榮信匯科電氣技術有限責任公司-柔性直流輸電,HVDC,靜止同步補償器,STATCOM/SVG,高壓大功率變頻,HVC,PP-IGBT,特高壓,超大功率,EHV extra-high voltage,ultra large power,STATCOM,VSC-HVDC,High-voltage variable frequency drive,High power static synchronous compensator,RXHK,RXPE,Rongxin Huiko Electric Technology Co., Ltd.