Doorman Long Tech

We develop, manufacture and operate the specialist technology for modular construction of bridges, dams, refineries, power stations, offshore structures, buildings and manufacturing plants. We also offer construction engineering and site services to help our clients get the best value from the equipment we supply. Our role on most projects is to develop solutions to construction problems, fully engineer these solutions and then to work with our customers to carry out the operations on site. We are happy to offer any combination of erection engineering, equipment supply / rental and site supervision services to suit the needs of each project. Our product range includes bridge erection equipment, offshore construction equipment, strand jacks, hydraulic gantries, skidding systems and synchronised jacking and weighing systems. All our projects are covered by our company management systems, which are accredited to ISO 9001: 2008, OHSAS 18001:2007 and ISO 14001: 2004.