Who knows which company in China has better reactive power compensation?

Shanghai Jin Yong, Harbin Han Wei, Shandong Taikai, etc. Zhejiang Fuyang Yinhu Electric (mainly for medium and high voltage compensation). The upper and middle-level companies include Shanghai Zhui Ri and Hefei Huawei, and the domestic first-class companies basically include Anshan Rongxin and Shanghai Siyuan. Other general complete sets of equipment include the capacitor branch in Zheng Tai.