Shenzhen JinRui Company Limited is located in the well-known high-tech city, Shenzhen of china, founded in January 2012.An innovative and high technology enterprise,is specialized in developing,manufacturing,marketing,technically supporting and servicing of communication line.Our main products include dual band and single band mobile signal repeater/booster,and antennas of GSM,CDMA,DCS,WCDMA/3G, CDMA450M,GSM1900M and mobile signal jammer.All of the products have CE,and RoHS certificates and all of our products are strictly tested by QC department. JinRui has fast built up a reputation as a competitive provider of high quality solutions to extend and enhance operators' networks at low cost. Currently, more than twenty China Mobile and China Unicom provincial operators in China and customers in USA, Brazil, Spain, Bulgaria, India, Malaysia and Vietnam have adopted Amplitec's products and solutions. JinRui offers an economical and single source for indoor and outdoor coverage solutions for all frequencies, its first priority is customer satisfaction: we can design solutions specifically to meet your requirements if need be, and provide comprehensive technical support services