Nanjing DeFi Software Technology Co., Ltd. (DeFi for short) is a creator and supplier of interactive floors and wall systems for presentation, advertising and entertainment systems.DeFi gives media companies, advertisers, event and exhibition organizers the ability to display digital contents in various public locations, including museums, science centers, amusement parks, tradeshows, retail locations, bars & nightclubs, real estate presentation centers, corporate showrooms, boardrooms and airports.DeFi pays attention not only to the technical part, but also cooperation with clients. We are totally oriented on customers and claim our aim to build strong partnerships. We are constantly improving skills, offering decisions, which go ahead of market's requests, for successful achievement of the set purposes.