Hejian Industrial Zone
Hejian Huanyu Petroleum Machinery Co., Ltd. Was established in 1998,located which is the middle of Cangzhou city,and enjoys good location and convenient transportation.Huanyu specializes Tricone Bits,TCI Rock Bit,Steel Tooth Bit,Milled Bit,PDC ...
Tricone Rock Bit,PDC Drill Bit,Hole Opener Reamers,Drag Bits,Single Cone Cutter