Shenzhen Dezhen Telecommunication Technology Co.,Ltd is a high technology company invested by some master and doctor who has studied in Japan and west countries,established in 2003, invested more than RMB 2 million. Our company has been manufacuring,developing, selling in wireless communication TAL series products. We mainly provides all kinds of indoor signal products ,including booster ,jammer, online amplifiers , extenders , repeater as Power Divider and coupler for GSM,CDMA,3G and PHS..our DZ101 Series mobile signal jammer have been praised with high quality, high reliability, highstability, and high feasibility.We have abundance experience in technology, management and marketing.We have a completely production team, tech team, R & D team, sales team and after-sale service team. We cooperate with many universities, college, research units as providers, and involved in government as to guarantee us a high level all the time. We also provide solutions for customers,OEM,ODM welcome. We are selling our products in overseas market include so many countries in the world now.Warmthly welcome to visit our factory!