Keystone Films strives to be the dominant production company of commercial films in Europe while maintaining its uncompromising principles of fulfilling clients' creative goals by providing the highest quality locations, crews and production management solutions in a time and cost efficient manner. Based on years of cumulative experience in production, Keystone Films works all round the world, mostly in European countries, with directors who have broad perspectives, ideas and new visual techniques. Clients include Hyundai, Samsung and LG. In the summer of 2007, Keystone Films stepped up in the movie market by working on film director Hong Sang Soo's 8th movie called "Night & Day" which was invited by the Berlin Film Festival in 2008.