Hejian Huanyu Petroleum Machinery Co., Ltd, established in 1998, located in Cangzhou city,enjoys convenient transportation to Tianjin sea port and Beijing Air port.Huanyu specializes in water well and oil well drilling bits ,like: Tricone Bits (Steel tooth & TCI bit),Tri-cone Bit,Three cone bit,Tricone Drill bit,tungsten cabide inserted bits,Tricone rock bit,Milled tooth bit,Roller Cone Bits ,matrix body PDC bits,steel body PDC bit,Reamer bit,drill pipe,drill collars,engineering bits,stabilizers, for water well ,oilfield,construction and underground foundation work all over the world.
