Shenzhen Old Dragon Technology Limited is a Professional High-tech company Specializes in most advanced security products DVR,CCTV,We also provide sourcing service(Video door phone,Video intercom system,Smarthome system,Alarm system,etc.),and some kinds of electronics for customers. The quality philosophy of us is "Quality is the life of enterprise", we carry out quality control and inspection in the whole producing process to pursuit of a long-term development. Our products are approved by such international certificates as FCC,3C,CE and ROSH,etc. and also passed safty status inspecition and production register approve by relevant authorized institutions.OEM and more flexible ways of cooperations are welcome.