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,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 equipment.Our company has 290 employees, including three professors, 12 senior engineers and 37 intermediate technicians. Advanced technology and equipment, excellent technicians, and scientific management will guarantee our products have superior quality, highly competitive prices and speedy delivery.Huanyu products not only won the trust of domestic clients, but also are exported to USA,Middle East,South Africa.If you have any questions, please do not hesitate to contact us. Your any consultations will get our prompt and sincere reply--