Changjiang Automobile Electronic System Co., Ltd, a successor of Changjiang Automobile Electrical Appliance Co., which established in 1980, is a nominated supplier of many automobilie OEMs, like GM, VW, FAW-VW, SVW, SGM, SAIC, Changan Ford, Beijing Hyundai, FAW Car, Chery, and Hafei Group, etc. Its main products,including electronic/electric switches, modules, central stacks on IP, AC controls, and electronic clocks, are typically for such brands as Audi A6(L), AudiA4(L), AudiQ5, Magotan, Regal, Bora, Passat, Besturn, Redflag, Mazada M6, Epica, Roewe, Octavia, Buick Excelle, Jetta and Santana, as well as for many trucks, light vehicles and minibuses manufactures. More than 6000 kinds of products are on the market, of which more than 200 products have obtained recognition from both VW and Audi. At present, our new invention, Ainao radiation free earphone which has won many patents including the United States patent, German patent, Australian patent, Russian patent, Japanese patent, Canadian patent, Chinese patent and International PCT patent, has established long-term cooperation relationship with the Gionee Konka,Kyushu and Zhenhua mobile phone manufacturers. In 2013, we supplied 150 thousand radiation free Bluetooth earphones to the HongQi and Benteng automobiles of FAW. The great invention of radiation free earphone makes significant contribution to mankind and enjoys a brighter prospects.