INDEX. A Perfect Fixing has established itself as a global manufacturer and supplier of fixing and fastening systems, being present in 90 countries. Técnicas Expansivas (INDEX) was founded in 1989 as a small anchor factory, in Albelda de Iregua, La Rioja, Spain. In 2004 INDEX created a manufacturing unit in China, to strengthen and secure production capacity in line with the most rigorous standards of the current markets. Today, INDEX. A Perfect Fixing is a key brand in the market.