DONGYING DAYANG PETROLEUM EQUIPMENT CO., LTD

DONGYING DAYANG PETROLEUM EQUIPMENT CO., LTD ia a modernized industry, conbined manufacturing and development of seamless steel pipes and drilling equipment, drilling tools, drilling ***** in 1983。we have devoting in supplying oilfield products for twenty years. The specifications of oil pipes are as belows: OD:60.3mm-508mm Steel Grade:H40/J55/K55/N80/L80/P110 Thread Type:STC/BTC/LTC/VAM The specifications of oil pipelines are as below: OD:21.3mm-3032mm Steel Grade:Gr.B/X42/X46/X52/X56/X60/X70/X80 Usage:conveying oil, petroleum and water. Main business on Drilling Equipment: onshore oil drilling & extracting equipments and accessories; offshore oil drilling & extracting accessories; lighting and explosion proof equipments; special petroleum vehicles; output of petroleum technology & crews, etc