Signal Jammer, Signal Blocker manufacturer / supplier in China, offering 6-CH Portable GSM Cellular Signal Jammer / Blocker, 40W Prison Water-Proof Cell Phone Signal Jammer, 8-CH High Power Indoor Cellular Signal Jammer and so on.
Shenzhen HuiDeTong Technology Co., Ltd specializes in Secrecy Security Technology research, device manufacturing and sales. We have a number of outstanding professionals from top ranking universities and our core team members hold PhD or MSEE degrees from prominent universities in China and overseas. Meanwhile, HDT tech is also the production base of the Shenzhen Castle Security Tech. Co., Ltd, which is the Tech. Institute of State Secrets Bureau.