Established in 1999, Guangzhou Oushida Electronic Co.,Ltd is a professional factory and exporter specialized in the research, development and production of car amplifier and karaoke amplifier. We are located in Guangzhou city. Our well-facilities and excellent quality control throughout all stage of production enable us to guarantee all customers satisfaction.All of our products is strictly passed 4 hours aging test before assembly. For OEM & ODM project, the experienced engineers can do many magic design to meet clients best satisfaction. We are here waiting for you.