TanGreat Telecommunication Technology Co., Ltd has been established by Shenzhen government's Advanced and it is a advanced technologies corporation founded in 1993 which focus on the development and market of the telecom products:

Intelligent cell phone jammers(mobile phone signal isolator,cellular jammers,cellular phone jammers ,cell phone blockers,moblie phone jammers)and RF Digital Signal Amplifier(Mobile Phone Signal Amplifier?Mobile signal booster,GSM repeater CDMA repeater) ,Antennas. The core leaders in TanGreat mainly come from Tsinghua and Harbin engineering university. They used to work in the leading companies in telecom industies such as Huawei technologies Co., Ltd. and ZTE Corporation.
TanGreat makes help the customers to achieve success, think highly of the people in the company, pursue excellence, contribute to our country its principle and inherit the merits from Tsinghua such as innovative,diligent,precise,practical. They are consumer oriented and they do their best to offer satisfying products to their customers.

Up to now, TanGreat. has set up agents in America,London and some of the center-cities. TanGreat invites ambitious people to join us and make our company a global leader .

TanGreat with high quality and competitive price to the wordlwide.TanGreat intelligent cell phone jammers ard world-class environmental-protection products that can effectively pervent the disturbance of cellular phone.