GENEVA, Jan. 25 -- CHANGSHA XEMC ELECTRIC TECHNOLOGY CO., LTD. (No.290, Tongzipo West Road, Yuelu DistrictChangsha, Hunan 410205), 长沙湘电电气技术有限公司 (中国湖南省长沙市岳麓区桐梓坡西路290号), XIANGTAN ELECTRIC MANUFACTURING CO., LTD. (No.302, Xiashesi StreetXiangtan, Hunan 411101), 湘潭电机股份有限公司 (中国湖南省湘潭市下摄司街302号) filed a patent application (PCT/CN2024/136861) for "TUBULAR PUMP POWER GENERATION GRID-CONNECTED ...