Defi USA Defi USA required a range of promotional items to showcase their full line of specialized vehicle electrical meters and displays. DZ provided defi USA with a range of promotional materials ranging from magazine advertisements, posters, postcards/flyers and a product catalogue just to name a few. About Mimi So: The DEFI line is produced by Nippon Seiki, a specialist in vehicle and motorcycle displays. NS is a large Japanese supplier for OEM vehicle manufacturers, and their products can be found in Japanese, European, and Domestic vehicles. The DEFI line is widely recognized as the leader in meter technology and quality. DEFI is continually raising the bar for all others to follow in terms of quality, accuracy, features, and display quality. Back to partial project list