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, IADC Code S432 PDC Drill Bits, 6inch PDC Drill Bits, Wire-Line Coring Diamond Drill Bit and so on.

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