... Welding lineEach group has two sets for the 90 degree Hydraulic Overturning Rack, which is mainly used for 90 degree overturning of Box-beam after the ... -beam straiqtening machine, h-beam fabrication line, spot welding maachine for h-beam, streel structure equipment, steel welding line, weiding line ... line, steel production line, I-beam production line. YFL TYPE 90 degree Hydraulic Overturning Rack