...GG Construction sells materials for water and road construction. Our primary products are steel tunnel pipes, supercor, and false pipes. These pipes and bridges are used as bridges, watercourse tunnels, wildlife passages, and pedestrian/cycle tunnels. We also offer a wide range of geosynthetics, such as geotextiles, geonets, gabions, plastic membranes, bentonite membranes, and greenfix. GG...