Shenzhen Y.Z Technology Development Co., one of the most research, the development of new electronics, automotive electronics, personal security, security alarms, surveillance cameras, network surveillance cameras, cell phone signal booster, alarms, and other professional production and processing company, has a complete and scientific quality management system. Shenzhen Science and Technology Development Co., one of the most committed to product innovation, quality assurance, integrity services, to enhance the image of a part to play domestics. Welcome new and old friends come to visit, guidance and business negotiation and common development.