- About SJ SYSTEM It is with great pleasure that I introduce to you a SJ SYSTEM. SJ SYSTEM is the leading company in supply of paging, communication and innovative systems to clients, both National and International , with Looking for the customer. SJ SYSTEM provides a total communication solution that enables our clients to achieve advanced communication within their venues. We are already exporting our product to some countries and the quality is well accepted by our valuable customers. Recently, we developed a multimedia Pager for Advertise. Please, further upgrade the variety of your business with SJ system. - History * October , 2008 : Company established. * November , 2008 : Star call system was developed. * December , 2008 : Commercially available (100R , 100T). * January , 2009 : Patent was obtained. * June , 2009 : The FCC, CE were acquired. * July , 2009 : SC-100T was exported abroad. * November , 2009 : The buffering system was developed. * December , 2009 : Introduced the SC-200R into a market. * January , 2010 : Relocated the factory. * May , 2010 : SC-300R was developed. * January , 2011 : SC-500R/SC-500W was developed. * May, 2011 : Participated in the convention in San Diego and SC-600R was developed. * January , 2012 : Video Pager for advertising is developing.