GENEVA, Feb. 22 -- NR ELECTRIC CO., LTD. (No. 69, Suyuan Avenue, JiangningNanjing, Jiangsu 211102), 南京南瑞继保电气有限公司 (中国江苏省南京市江宁区苏源大道69号), NR ENGINEERING CO., LTD. (No. 69, Suyuan Avenue, JiangningNanjing, Jiangsu 211102), 南京南瑞继保工程技术有限公司 (中国江苏省南京市江宁区苏源大道69号) filed a patent application (PCT/CN2025/083358) for "CONTROL METHOD AND SYSTEM FOR REACTIV...