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

Bentonite, Bentonite for Drilling, Rheological Additive manufacturer / supplier in China, offering Bentonite for Drilling, High Medium Low Air Pressure Down The Hole DTH Hammer, Good Quality High Efficiency ~ Oil Rig Drill Bit Size and so on.

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