Overview Established in 2007 spring,SST provides a total solution for all RFID access control and time & attendance applications.SST operates from a modern 3,000m2 factory in SHENZHEN special economic zone, and manufactures some of the world's most reliable & durable entrance control products. Products manufactured by SST include a full range of turnstiles, speed gates, revolving doors, vehicle barriers, parking systems etc.A full research, designing and development team is able to assist our ...