The range of operations included production, sales of stretches, bridges, construction support, water-control belts, water-control steel plates, water-control bars, water-control rings, guard fences, support fences, rubber plates, rubber pads, seals, foam sheeting, thermal smelting, foam rods, inflatable core models, bellows, acoustic tubes, anchorages, discharge pipes, supporting steel panels, beam prefills, steel fibres; road works, road maintenance works, bridge support, bridge support, construction substations, bridge stretching, replacement and maintenance。