Hualingan is mainly focused on the R&D, producing and selling of car DVD navigation series products which apply to European motor type like BMW, Benz, Audi, Porsche, Hummer, Fiat and Alfa Romeo,etc.. Through years of hard working, insisting on independent design and continuous innovation, and based on the ideas of integrity, quality foremost and customer first, Hualingan earned the reputation of customers in domestic market, as well as the fa