Gold Member Since 2014
Audited Supplier
Hejian Hengji Bit Manufacture Co., Ltd.

Tricone Bits, Drill Bits, Drilling Bit manufacturer / supplier in China, offering 5blades 9.5in PDC Drill Bit, API 9 7/8" IADC 637TCI Tricone Drilling Bit Factory, 13 5/8 TCI Tricone Bit, Oifield Drilling Rotary Bit, Rock Bit Hard Formation and so on.

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