About Us


Qingdao Great Steel Machin 黑粗硬大欧美在线视频 ; Machining Co 黑粗硬大欧美在线视频 td.(GSMM)  w 黑粗硬大欧美在线视频 as founded 亚洲美女牲交高清淅视频 in 1 亚洲美女牲交高清淅视频 987, locat 男的把j伸进女人下面 ed in Q 男的把j伸进女人下面 ingdao City, Sh 国产系列在线亚洲视频 andong 国产系列在线亚洲视频 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.