Shenzhen Ding Sheng Da Technology Co., Ltd.(DSD), founded in 2005, is a member of the Association of China Security . With large-scale production capacity , unique business philosophy and market operation mode ，we specialize in research & development , production and sales of security products .Our Products have FCC , CE and ROHS certification, passed the inspection of the ministry of public security . DSD security industrial park covering an area of more than ten thousand square meters , is the only large security manufacturing base in China. In here, you can find the Security hardware factory, SMT paster and the assembly shop.”R & D” and “Brand Operation” are our core competency. Our products , including HD megapixel cameras , white full-color video cameras , crystal lattice infrared camera , NVR and DVR etc , won lots of design patents and invention patents . We rely on these high quality products , first-class service and good sales network , winning the praise all over the world ! DSD Technology Co., Ltd. sticks to our corporate culture of “Honesty , Care, Innovation and enterprise ”.We also won the honor of “Top 10 user-recommended brands”, ”100 Honest Brand of Security Products Supplier”, ”GPS Top 100 Chinese Security Enterprises” and “Recommended Brands in The Safe City”. Our mission is to develop the company into an elite company and establish strategic cooperative relationships to create win-win situations.