Established in 1995, Ningbo Yinzhou Sea-Gull Wireless Factory is a specialized manufacturer of sound boxes and speakers, including stage boxes, car speakers, sub woofers, boom boxes, TV speakers and ceiling speakers. As a high-tech enterprise integrating production, research and sale, the factory covers an area of more than 15, 000 square meters, with construction area of 8, 000 square meters. Moreover, we have 6 modern assembly lines, and the main components and parts are all supplied by ourselves. Therefore, we are able to satisfy customers&＃039; changing needs effectively. Presenlty, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details. Management systems are ISO 9000/9001/9004/19011: 2000 and ISO 14000/14001-certified. Our products mainly export to North America ，South America ，Eastern Europe ，Southeast Asia， Africa ，Oceania， Mid East， Eastern Asia， Western Europe.