国产黄色在线观看-天堂资源网-国产精品成人无码免费-日日干天天-亚洲男人网-伊人影音-97精品在线观看-三级黄色网络-日韩在线免费av-久久久久亚洲av无码麻豆-国产福利不卡-欧美欧美欧美欧美-狠狠久久综合-中国黄色小说-美日韩成人-九一亚色-日本在线视频中文字幕-青春草网站-久草视频手机在线-青青视频二区-让人下面流水的视频-国内自拍真实伦在线观看-先锋影视av-wwwxxx动漫-黄色一级淫片-美女扒开让男人桶爽-大陆农村乡下av-小柔的淫辱日记(1~7)-国产精品理论片在线观看-女人裸体精油按摩

Since the end of 1970s, in order to implement the national strategy of “West-East coal transmission project” which was firstly proposed at the beginning of reform and opening up, CNEEC had successfully undertaken the construction projects of power supply and illuminating system of the second, third and forth phases of the key state project ― Qinghuangdao Coal Terminal, including the project design, equipment supply, installation supervision, personnel training, etc. At present, Qinghuangdao has become the world’s biggest coal-transportation wharf with the coal-transportation capacity of 100 million tons per year. This project has not only achieved the state acceptance but also won the national contribution award for important project and national award for science & technology progress.