Over 20 Years of OEM/ODM Manufacture Experience.SUS was established in 2000. We are engaged in the R&D, production, marketing and service of  Wireless Alarm Systems,Access Control,Fire Alarms,Smoke Detectors,Door Switch Sensor,Float Level Sensor and security accessories. JSUS′s systems support a wide range of security solutions and offer easy and fast programming features to suit all types of installations. In the past 20 years, our products have been widely marketed in more than 100 countries and regions around the globe.