DONGYING DAYANG PETROLEUM EQUIPMENT CO.,LTD ia a modernized industry,conbined manufacturing and development of seamless steel pipes and drilling equipment,drilling tools,drilling rig.

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