The welded pipe production line a high degree of automation, high frequency welding stability, high adjustment precision, thus ensuring the products are in conformity with the international standard. The unit can produce thickness 2.0mm-7.0mm length (5.5m-12m) of the circular pipe, square and rectangular tubes. Round pipe 48.3mm-168.3mm，square pipe40mmx40mm一125mmx125mm,Rectangular pipe 60x40mm-150mmx100mm.