Changzhou DRM Electronics Co., Ltd. is a professional manufactory that specializes in the development and production of acoustic components such as ultrasonic sensors, ultrasonic transducers, mylar speakers, speakers, electromagnetic buzzers and receivers. Besides, we can provide you other kinds of electronic components such as inductors and precision parts. Our products are widely used in cars, buildings, machines, telecommunication, MP3, MP4 players and toys. Our company strictly works on ISO9001 quality system and TS16949:2000 will be implemented from 2009. We would like to provide products with high function price ratio based on strong technical team and advanced management as well as trusted service. Our company has a workshop of over 2,500 square meters with over 150 skillful workers and 10 experienced engineers. At present, our monthly output can reach 3,000,000 pieces. Most of our products are exported to the USA, Europe and Southeast Asia. We ...[More]e that you and DRM will create a perfect sound world and wonderful future. If you are interested, please feel free to contact us right now for more information. We, DRM staff, work on your satisfaction.