The main equipment of hot rolled line is designed and manufactured by SMS INNSE, using three-roll PQF process, with annual design capacity of 650,000 tons, and can produce hot rolled seamless steel pipe with outer diameter (244.5-457) mm, wall thickness range (6.0-60) mm and length (6.0-14.63) m.At the same time, there are equipped with two heat treatment production lines, one of the step furnace heat treatment line, can adjust the quality, ignition, tempering, ignition + tempering, another roll bottom furnace (also known as bright heat treatment furnace) heat treatment line, can be ignition, tempering, ignition + tempering.Two sets of leakage magnetic detection machine, four sets of ultrasonic flaw detection machine, one set of electromagnetic ultrasonic flaw detection machine,one set of eddy current flaw detection machine.