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

Oil Well Drilling, Manufacture Tricone Rock Drill Bit, Drill Rod manufacturer / supplier in China, offering TCI 9 7/8 Oil Well Drilling Bit Manufacture Tricone Rock Drill Bit/Drill Rod, Tungsten Carbide Insert Tricone, Roller Cone Drill Bits, Tricone Roller Cone Drill Bits and so on.

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