欧美日韩国产综合视频在线,亚洲日韩国产精品久久,中文字幕无码毛片免费看,99精品免费无码视频在线观看

       The First Safety Knowledge Contest EETI was grandly held in the meeting room of the company on September 8, 2017. On the scene, eight teams competed in an enlightened and animated atmosphere with one climax after another. Meanwhile, the opportunity was taken of this contest to fully implement the responsibility of each department for work safety, improve safety awareness of staff and do well in work safety in a more strict, careful and practical manner, so as to make still further progress and initiate new prospects in safety work of the company!