Sazemane Sanaye Defa called "SASAD" is one of the largest and the most important Industrial organization of the I.R. of Iran, which is capable in production and export of multi - purpose defense and civil products & services.Export of finished , semi-finished & ready made items , cost-effective products, manufacturing of complicated parts and components, technical engineering services, overhaul and maintenance, setting up assembly lines, technology transfer are considered as major technological capabilities of SASAD.Civil construction & industrial potentials of the SASAD are provided for fulfillment of large volume of earthworks, tunnels and large scale concrete , road , bridge & prefabricated construction , materials residential & industrial complex , steel structures, dam construction & water sewage networks.Other major products & services are such as chemical products & materials (industrial , medical & food grades) , alloy steel , brass & copper materials , machinery & industrial parts, cutting tools , mines explosive materials , marine structure & floating vessels, vehicles, parts and accessories , civil construction and industrial projects & plans.The relative Industries of SASAD have been awarded the Certificate of quality management System ISO 9001, 9002 the certificates of Germanische Lloyds for the Scope, design & production of various kinds of goods.Invention,