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Xy-1 220V Electric Diesel Rotary Drilling Rig 100m Agricultural & Geological Exploration Core Drilling Machine, Find Details and Price about Rotary Drilling Rig Core Drilling Machine from Xy-1 220V Electric Diesel Rotary Drilling Rig 100m Agricultural & Geological Exploration Core Drilling Machine - Zhengzhou Jinghe Drilling Machinery Co., Ltd.