Shenzhen HuiDeTong Tech. Co., Ltd.

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. HDT products of Cell phone signal jammer/blocker, coded safe, portable lighting system, smart-armory, Secre... [Details]