在线观看免费黄片,日韩成人无码,无码做爱视频,熟女人妻 人妻の视频,天天色天天操综合

Our company successfully completed China's largest quarry conveyor belt glued

April 30, 2014, after a month of efforts, the company successfully completed the largest China (Asia 3rd) Reid Bowers Mining AG entrusted belt glued task. The whole project span, high altitude (the highest point of operation from the ground 30 meters). Construction company received praise Reid Seoul-company leadership and employees, employees praise, could not find fitting in any place, is the best we've ever seen conveyor belt joint! ! !