Established in 1998, DSW Audio & Security Co., Ltd. has specilized in manufacturing Piezo siren & Alarm, Electrical siren, Battery backup siren, Outdoor Siren, Home Alarm, strobe light, magnetic contacts, reed switches, Moled Speaker Box, Car Speaker, Loudspeaker and PIR sensor, motion detector sensor, control panel, Power supplier, CCTV power supplier as well as innovation electronic items in China. With over 10 years combined experience the DSW staff can offer you the support it needs for state of the art design and now there are 20 staff work for DSW including technicians and engineers. It is usually takes 30 days to develop a new design and develop 20-30 new model each year. Our annual investment in R&D accounts for 6.5% of sales. More than 30% raw material is imported from Japan and Korea and others from inland of P.R. China, which is carefully checked by our IQC. All the material shall have detail information and certificate; It would be accepted and approved by DSW. Through the efforts of both Domestic and International sales forces, DSW Audio & Security has emerged as the premier name for audio products and more than 80% of DSW products has been exported to different countries and regions, such as Europe, U.S.A., German, Italian, Hong Kong, Israel, Hungry, France, Argentina, Poland, Turkey, Korea and other areas. Our sales team & engineering team fully understand our customer's products and applications and provide you with high leves of customer service and quality, through teamwork, basic communication. Please contact us for further information. ... 
China