Nanning Yanhua Electronics Co., Ltd., established in 1999, is a high-tech enterprise which is approved by Guangxi Science Commission and belongs to Nanning High-tech Zone. Followed the world's automotive advanced technology, Yanhua Tech specializes in R&D, manufacture and distributor of automotive electronic & testing products.Here are three series of our products:1.Auto Electronic Control System : Digimaster.*****:Program & match tools and keys of anti-theft for Benz, Audi Posche and more other cars.3.Auto multimedia system: Auto navigation, audio, video and communicate module for high-end cars with embeded application.