- Hejian Yinhai Rock Bits Manufacture Co., Ltd.
- pdc bits, trione rock bits, tricone bits, tci bits, steel tooth bits, roller cone bit, milled tooth bits.
- Address:D-08 china clastic, international city, dubai, UAE
- 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
- Tianlida Triconebit Equipment co.,ltd
- tricone bits,rock bits,TCI drill bit,Milled tooth bits,roller cone bits,diamond drill bit,pdc bits,core bits,hole opener bits,well drilling bits.
- Address:Guangming Road Jiulong
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