High grade. Quantum film is a brand of the French Saint-Gobain Group (a Fortune 500 company). Before 2011, Quantum film was a high-end film brand of the American Bekaert Special Coating, which has many patented technologies around the world. Quantum film has the characteristics of good heat insulation, no fading, slow decay, no glare, long-lasting performance, safety and no pollution, and is deeply loved by high-end car owners.