Sinfonia Electronics (Shenzhen) Co., Ltd is established in 1998, is a high-tech private company which specializes in R&D, manufacturing and sales of CAR GPS AV SYSTEM,CAR DVD,VCD,MP3,CD,CASSETTE PLAYER, CAR ANTENNA, SPEAKER and other car electronic products. Our company has an annual production capacity of 1,000,000 pieces. Covering 7000 square meters for production area, we employ more than 400 staff members, among whom 26 are research and development experts and 50 are quality control professionals. Owing 1 SMT auto-production line, 3 processing lines for half-finished products, 3 pipelining for finished product. Established a research and development laboratory, including advanced equipments for temperature testing, salt fog testing, shaking testing, falling impaction testing, longevity and anti-jamming testing, etc.