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 Efficiency-Energy Saving High Pressure DTH Hammers, China Online Selling Bulk Montmorillonite Bentonite and so on.

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