Step Drag Bit/ three wing drag bits

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Supplier Information

Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.

[ Hebei, China (Mainland)

Main Products:	Tricone Bits, Steel Tooth Bit, Milled Tooth Tricone Bit, Tungsten Carbide Insert Rock Bit, Hole Openers(Reamer Bit), Step Drag Bits, PDC Bits, TCI Tricone Bit

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