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...

Founded in 1918, Tatung Company is a worldwide leader in the design and manufacturing of a vast array of digital consumer products, including LCD TVs and PDPs, network-connected devices, fiber optical ( optic) cables, storage-based media players and home appliances. Tatung also delivers advanced products for business computing, such as Tablet PCs, WebPAD, and blade servers. For industrial products, Tatung has been well established in the power and energy businesses. Many of our products have passed ISO 9001 series standard certification, thus ensuring that we will provide products and services to satisfy customer demands. We also specializes in the ODM/OEM business and serves branded customers on a global basis.