- Hejian Solidkey Petrolum Machinery Co., Ltd
- hard rock tricone drill bit, tungsten carbide bits, bit，tricone kingdream tci mining pdc core diamond mill tooth stainless steel bits,,Milled Tooth Tricone Bit, ....
- Address:junziguan, Cangzhou, Hebei, China
- Hejian City Reliable Drill Bit Co., Ltd
- tricone rock bits, pdc drill bits, diamond drill bits，roller cone drill bits, pdc bits scrap, used tricone bits, milled tooth bits, tungsten carbide insert bits, rock drill bits,Milled Tooth Drill Bit,Pdc Drill Bit.
- Address:hejian, Cangzhou, Hebei, China
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