Steel Alborz Qazvin Co. was established in 2004 to respond to the country's needs for machinery steel, galvanized steel and related industries. The company initially worked as a subset of the Seven Diamonds Co. but to improve the quality and expand its activities works independently in the name of Saab Steel Development Co. Design and manufacturer of steel machinery and industrial machinery  Design and manufacturer of cranes  Design and manufacturer of steel structure  Metal machining  Manufacturer of steel pipes  Manufacturer of Dampers  Design and manufacturer of pressure vessels  Design and manufacturer of hydraulic jacks and cylinders