I plant the drill pipe joints, high hardness, wear resistance, and quality assurance.free shipping.

Our factory in northern China has the largest production line of drill pipe and fittings, equipment, including large flat 1250T forging machine, C-120A type friction welding machine, 250KW frequency heat through the furnace, 10m straightening machine, 100T tensile testing machine, and a group of NC lathe, threading machine, a group of specialized inspection tools. Drill pipe into filaments buckle and friction welding, and overall conditioning. Meet the geological, geothermal, water well, oil and non-excavation drilling requirements. API has achieved quality system certification, ISO9001 certification and the national quality certification, friction welding drill required by API system processing, small button drill press YB235-70 standard. Grade has DZ40, DZ50, R780, G105, S135 Series. Drill pipe joints by YB235-70 processing, materials are 40Cr, 35CrMo, 45Mn2, etc., can also be processed according to
customer requirements