About Us


Qingdao Great Steel Machin 国产人妻熟女偷在线视频 ; Machining Co 国产人妻熟女偷在线视频 td.(GSMM)  w 国产人妻熟女偷在线视频 as founded 真人做人爱视频30分钟 in 1 真人做人爱视频30分钟 987, locat 精品国产免费人成视频 ed in Q 精品国产免费人成视频 ingdao City, Sh 国产三级在线现免费观看 andong 国产三级在线现免费观看 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.