亚洲国产综合无码一区_国产a毛片精品日日夜_免费看Av中文字幕在线_自拍日本乱伦中文_国产精品成人黄色视频_五月天丁香六月婷婷网_会员免费体验区亚洲天堂_亚洲欧美性另类春色_少妇被又粗又硬猛烈进出小说_免费看h黄动漫网站网址

      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.