Shenzhen Ruianjie Electronic Technology Co., Ltd. is specialized in research, development, manufacturing and sales of security technology products. The company holds the principl of" trust, credibility and quality" as the fundimental business philosophy. Since 1999, we have built the strong research and development capability, highly slilled staff and a effective management team. The company have invented high- speed ball- type cameras( SITO( Si Tuo) brand), Matrix mainframe, control keyboard, decoders, distributor, infrared cameras, etc. We would like to stick to our business principle to develop more more products to better meet our customers' need.