Guangzhou Nianguan Electronics Technology Co.,Ltd specializes in integrating development & manufacturing and sale of Car Amplifier, Karaoke Amplifier, Car DVD players ,Car Mp3 players .Portable Speaker and Car Vedio&Audio etc related products.Located in charming scenery of the Guangzhou Baiyun ,adjacent to Baiyun International Airport and Huangpu /shenzhen seaport,We Convenient water, land and air transportation .Guangzhou Nianguan Electronics Technology Co.,Ltdwas founded in 2012, Our company has an independent R & D team, first-class management personnel, advanced equipment and superior factory environment! After years of development, it