Ningbo ADN Audio & Elec Co., Ltd. is a professional Loudspeaker and electronic accessories Manufacturer located in Ningbo, China, and has convenient transportation by Sea and Air.We have 100 workers, 6 modern assembly lines. Based on our professional technology research, effective management and great hearted team, ADN Audio has built up a high reputation in this business line by quality products and efficient service.We trust only good quality can make a company long life. We only make good quality products for our customers all over the world.