Founded by Shenzhen government in 2003, Tangreat Technology Co., Ltd. is a rapidly developing company focusing on wireless information security and RF jamming. Our goal is defending for lives and preventing leakage of confidence. We love world peace, cherish lives and happiness. We try our best to eradicate threat to our state and people caused by information leakage. The concept of our company is first service to customers? reasonable demand, emphasizing group work, integrity management, positive enterprising, diligence and persistence.