Established in April 1994, Ningbo Yinzhou Xinglong Electronics Co., Ltd. is a professional manufacturer of electret condenser microphone units and relays. We have our own research department, which regard quality as a basic requirement. Insisting on the principle of "Quality First, User Superior, and Prosperous by Quality", we consider advanced management system as the strong backing of product quality. Our well-trained engineers and technicians directly take part in the production management and research. Due to our advanced equipment and the efforts of our staff, we are able to supply first-class products, competitive prices, and excellent after-sales services to customers worldwide. From our time of foundation, we have engaged in developing our export volume. We have built up long-term business relationships with clients both at home and abroad. If you are interested in any of our products, please contact us for further information, or visit our factory directly.