Hejian Huanyu Petroleum Machinery Co., Ltd. Was established in1998, located in Hejian which is in the middle of Cangzhou city,Hebei Province, China, south of Beijing 180KM, and 170KM fromTianjin(Xingang) seaport, and enjoys good location and convenienttransportation. Huanyu specializes in Tricone Bits, TCI Rock Bit,Steel Tooth Bit, Milled Tooth Bit, 3 cone bits, rotary bits, PDCbits, reamer bits (hole opener), 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.Huanyuis registered with 3 million RMB capital, and 70 variousmanufacturing equipment. Our company has 290 employees, includingthree professors, 12 senior engineers and 37 intermediatetechnicians.Advanced technology and equipment, excellenttechnicians, and scientific management will guarantee our productshave superior quality, highly competitive prices and speedydelivery. Huanyu products not only won the trust of domesticclients, 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.