Gold Member Since 2012
Audited Supplier
Zhengzhou Hanfa Imp & Exp Trading Co., Ltd.

Non-Coring PDC Bit, Geological Drill of Three-Winged Drag, High Quality Diamond PDC Geological Drill manufacturer / supplier in China, offering Three-Winged Drag Bit of Diamond PDC Bit for Grological Exploration, Hf200y Crawler DTH Drilling Machine for Water Well, Drilling Cross Rock Anchor Bit for Mining and so on.

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