NO.149,Zhongshan Road,Shinan Area,Qingdao,China, Qingdao, Shandong, China,266000
We EASTERN DRAGON OIL SERVIES ...
our products:4000~9000m of ac/dc variable frequency motor driven drilling rigs, 4000~9000 of dc electric drilling rigs, all kinds of 3000~7000 m composite drive rig, well drilling rig and vehicle rig, fast moving rig ,f, pz and 3nb series mud pump,ac/dc elect