About Us

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Qingdao Great Steel Machin 思思99re热这里有精品首页 ; Machining Co 思思99re热这里有精品首页 td.(GSMM)  w 思思99re热这里有精品首页 as founded 欧美av在线观看 in 1 欧美av在线观看 987, locat 久久99热这里只频精品66 ed in Q 久久99热这里只频精品66 ingdao City, Sh 国产成年黄网站色大全 andong 国产成年黄网站色大全 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.


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