Welcome to Navi-Upgrade company site. We create and provide solutions for particular electronic / multimedia accessories. Our offer covers range of car-audio products including navigation and radio interfaces of various brands. We also manufacture wirings essential for installing satellite navigations and electronic facilities in your car. All our articles are highest quality and brand products pledged with 2 years of warranty. Our service is systematically developed with new products In case you could not obtain some required article please contact us and report, and we will do our best to provide and distribute.