Hejian Huanyu Petroleum Machinery Co., Ltd. Was established in 1998,located in Hejian which is in the middle of Cangzhou city,and enjoys good location and convenient transportation.Huanyu specializes in Tricone Bits,TCI Rock Bit,Steel Tooth Bit,Milled Tooth Bit,PDC bits,Drill rods,drill collars,engineering bits,stabilizers, for water well ,oilfield,construction and underground foundation work all over the world.All of our products are in accord with API and ISO standards.



Huanyu is registered with 3 million RMB capital, possesses over 180mu area and 70 various manufacturing...