Complaint
API 5DP Drill pipe ,friction welded
TIANHE provides a comoplete line of drill string products including a full range of friction welded drill pipes in nominated sizes from 2 3/8"to 6 5/8"and in a wide range of wall thicknesses .Drillpipes adopts a strict quality control regimen to ensure total quality control from inital material qualification ,in rpocess inspection to final out going quality inspection .we ensure that each joint of drill pipe meets your needs for reliability ,durability and performance .
