For a complete range of 2D/3D architecture and engineering design, Iman Systems, is trusted name. Established in 2005, we have evolved with a wide range of services and products for our clients. We supply Post Tensioning service to the clients for concrete designs of their architectures. It is a technique for making the concrete strong. Post-tensioning, as provided by us, is simply a form of pre-stressing. In Post Tensioning, steel is compressed before the concrete undertakes service loads.