Established in 1971, Delta Group is the world's largest provider of switching power supplies and brushless fans. As a global leader in power electronics. Our mission is- To provide innovative energy-saving products for a better quality of life. Our design process is based on Product Life Cycle Management (PLM) providing a stringent and accelerated design cycle while ensuring product quality and reliability. Our manufacturing facilities are ISO-9001 and ISO-14001 certified, and all share common quality and measurement systems. In recent years we have developed high-density and high-efficiency telecommunication power systems, UPS ( uninterruptible power supply) with advanced interfaces, computer networking components and products with high software content, microdisplay PTVs, and many others....

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...

The company's products include LED Video Display, high power, DOT matrix Display, SMD LED, through hole LED lamps. Received by ISO 9001:2000 certification.