Advanced Oil Drill Pipe Friction Right.The heat treatment process of simultaneous cooling inside and outside makes the mechanical properties more uniform and stable. Advanced drill pipe thickening and heat treatment production line. CNC tube body full length heating furnace, quenching machine, tempering furnace. Advanced heat treatment

process and precise temperature control ensure the mechanical properties of the pipe body. The pipe body hydraulic straightening machine ensures the straightness of the pipe body and the coaxiality of the pipe body.