欧美亚洲日韩国产综合一级_日韩人妻无码精品_成视频在线观看免费观看_国产蜜臀AV后入第一视角_丝袜国产欧美亚洲精品a_免费A∨在线永久在线观看_午夜福利精品一区_片多多app免费观看高清影视_免费午夜视频无码无需下载_国产成人综合亚洲网址

      In the afternoon of April 10, Canadian time, Huaxin electric Co., Ltd. and its partner GMR were jointly invited to participate in DEMOday, an innovation project conference organized by the International Minerals Innovation Institute (IMII). During the meeting, Mr. Li Hui shared the innovation and application achievements of Huaxin's permanent magnet direct drive transportation system and intelligent mine for more than ten years. International mining giants, including BHP Billiton and Nutrien, have said they would provide project funding and testing sites for Huaxin to achieve permanent magnetic direct driving of transportation equipment for underground potash mines.