Tool joints manufactured by the company are made of high-grade alloy steel by special heat treatment, and are of features like high strength, good ductility, and long service life. The joint thread surface is copper plated with excellent anti-seizure performance and mechanical performance complying with the requirements of API Spec 7.
All types of IU, EU, and IEU tool joints produced can be butt welded with drill pipes of steel classes E, X, and S. NC 26, NC31, NC38, NC46, and NC50 as well as all sorts of specifications and thread types are available for customers' choice.