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Afpedia > Suppliers > General Machinery > Electric Generator > Others > Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd.
Drilling Rig , Water Well Drilling Rig , Core Drill Rig , DTH Drill Rig , Pile Driver , Horizontal Drill Rig , Tunnel Drilling Rig , Jumbo Drill , Borehole Drilling Machine , Jet Grouting Drill