Shenzhen Youngcheer Science & Technology Co., Ltd. is approved by the Shenzhen Municipal Government for establishment as an emerging Hi-tech enterprise specialized in researching&deve-loping, designing, manufacturing, and marketing of Security Products and accessories. Our business covers: 1) Advanced security alarm system:smoke alarm/fire detector/gas alarm/carbon monoxide detector/PIR detector/wireless alarm system.. . 2) And digital surveillance system:Miniature, IR LED, Underwater cameras, Bullet, Car Rear Vision... We have more than ten years experiences specialized product history, we have complete checking equipment and specialized checking measure. In technology, we adopted complete roboticized facility of Japan as quality guarantee. We have perfectly system from design research, SMT mounted technique, wave crest jointing, PCB cleanout, ICT checking, electricity performance contrasting and aging facility etc. High quality, honest and honor are the management guideline that company has been persisting in and they are also the base for the rapid development of the company. We sincerely hope that our effort will give you the most satisfactory service. We can provide OEM/ODM service for alarm system, RF module, remote control etc..