API standard drill pipe factory

We are the manufacturer of drill pipes and tool joints.Drill pipes: oil drill pipe; water well drill pipe; flat drill pipe; geographical drill pipe; non-big drill pipe.Tool joints: oil drill pipe joints; lock joints and reducer union.spanstyle="line-height:1.5;">We can supply all kinds of drill pipes that are consistent with API SPEC 5DP or SY.1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2"
2) Steel Grade: E75, X95, G105, S135
3) All drill pipe are made according to APIHebei Longway Petroleum Equipment Co., Ltd QQ:2595308276Mob: 0086-13673119276  Skype: lwdrillsales9
API standard drill pipe factory