Shenzhen Yuankong Communication Co., Ltd was established in 2014. It is a high-tech company specializing in the research, development, production and sales of personal safety alarm and anti-theft alarm products. We mainly produce sos personal alarm, self defense alarm keychain, mobile phone or tablet anti-theft alarm devices, multi-ports anti-theft alarm systems, EAS display anti-theft alarm tag, remote visual anti-theft alarms and other security products. We have professional and efficient production lines, as well as skilled technicians and experienced workers, we can offer OEM/ODM service to global customers. We also have CE Rohs FCC and other certificates for exporting to all over the world. We will do our best to provide satisfied products and competitive prices for our customers. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us.