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Exploration Core Drilling Impregnate Diamond Hole Drill Bit High Penetration Rate
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Sinotechdrill International Co., Ltd
Drill Rig Machine,Core Drill Rig,Diamond Core Drill Bit
Address: No 10, Ligao International building,
Jinan, Shandong
China, 250000
Tel: 86-186-12948866
Fax: 86-186-12948866
