flange, reducer, cap, reducing pipe, bend, compensator etc. the annual output is 150, 000 ton. We have special equipment approval and CSQA certificate.We have imported whole sets DIN seamless pipe production line, main equipment includes: 10KV substation, gas rotating heat, sawing machine double-column, piercing mill, three-roll sizing mill, 6-roller straigthening machine, cold bed, high pressure phosphorus removing facilities, ultrasonic flaw detector, hydraulic test machine etc. electric control equipment is imported from siemen company. The whole line adopts automatic control using rotating heat and make gas as its fuels. At the same time, this item adopts dreggy circling water system, clean circling water system, suction well system to use water repeatly, and which do not need exhaust, and less water is used. Converter, phase advancer and soft start save