Performing welding works on port cranes and other steel structures. Welding of challenging and dangerous structures. Port equipment repair and modernization. Boring works at height and in complex areas. Geometry restoration, restoration of hinges. Restoration of mounting seats of shafts, bearings, etc. Boring works at customer worksite. Welding, levelling and straightening of crane rails and beams, welding and grinding of rail joints, fastening of rails, examination and repair of crane runways.