Berdan was founded in 1979, and has become one of the most competent and reliable manufacturer of fastening-components with constant development and research, widely known throughout Turkey and in the world for the production of bolting systems (hexagonal/heavy hexagonal bolts, cap screws, machined bolts, stud bolts, double-ended studs, anchor bolts, foundation bolts, holding down studs, spindles) for automotive, construction, wind energy sectors and power plants, petrochemical plants, steel mills, power transmission lines. Berdan is also a market leader for the supply of the sub-sectors of the industries, such as valve, flange, heater, piping systems, heat exchanger and turbine manufacturers. Berdan's production capacity is increasing every day and is proud to be among the suppliers of the international companies with its extensive range of first quality products to satisfy the special and standard needs, in terms of shape, dimension and materials, with resistance to severe conditions of high/low temperature and pressure, corrosion, and special applications, in accordance with ASTM, ASME, DIN, EN, ISO, TS and BS standards. Berdan's well-equipped test laboratory has reenforced its reputation of First Class Product Manufacturer, with ability to have a wide range of destructive and non-destructive test equipment.