Techno Industries Ltd supplies Roof Supported Under Slung Crane. Techno Industries Ltd is an ISO 9001: 2000 certified company. The Roof Supported Under Slung Crane is suitable for use when supporting steelwork under the crane is not an option. The Under Slung Crane is available in single and double girder models with capacities ranges up to 20 tones. The Under Slung Crane finds application in motor vehicle and aerospace industries where the production process demands a large clear area.