About Us


Qingdao Great Steel Machin 可以直接免费观看的av ; Machining Co 可以直接免费观看的av td.(GSMM)  w 可以直接免费观看的av as founded 45分钟做爰全过程免费的视频 in 1 45分钟做爰全过程免费的视频 987, locat 美女mm ed in Q 美女mm ingdao City, Sh 精品丝袜国产自在线拍 andong 精品丝袜国产自在线拍 Province, P.R.China. 

With over 30 years experience, GSMM is proud to be a famous supplier in farmland irrigation  facilities, electric transmission and  distribution, wireless communications, lighting and traffic  structures, etc. For now, GSMM has built two plants to provide a variety of carbon steel, stainless steel cutting processes, welding processes , punching and drilling processes, and surface treatment processes.