Of the view that a satisfied customer represents the most important proof of excellent service, the most important and main resource in which to invest in order to guarantee the development of the company, DEF has always committed to guarantee the highest possible standards to its customers, paying particular attention to targeting the obvious and less obvious needs of its customer-base, as customers are the present and the future of the company itself. Our mission is to completely satisfy our customers, as we feel this is what is needed to maintain a correct relationship with the market and to use as a starting point in the process of new product launch and development, the dynamic of investments, the atmosphere in the workplace, the profitability of sales and, for these reasons, DEF puts every effort into being a recognizable, efficient, reliable and professional company at the service of its customers.