Grupo Estrutural's Pedreiras Basalto 9 quarry close to S茫o Paulo, Brazil has supplied many of the country's most important bridges, buildings and roads with concrete, aggregates and asphalt since it first started operating in 1962. Richard High reports.

Showing 必赢体育.com around Pedreiras Basalto 9, quarry director Ednilson Artioli, who joined the company in 1993, was justifyibly pround of the iconic projects the company had contributed to over the last few years.

These include test tracks for General Motors, Firestone, Goodyear, VW and Toyota, and the under construction US$ 3.6 billion, 170 km-long