HD International, formerly Ryan Security Technology, was founded in 1992.  Headquartered in Santa Barbara California, HD International's offices includes regional sales offices in Beijing and HongKong. 

Our company strives to provide our customers first-class product, service and technology by working closely with our clients and acting as an extension of the company we represent. We fund our own research and development to understand how to best integrate products offering our customers well rounded solutions to the set of issues unique to their region.

Staffing over 100 employees across sales, production, technology, and logistics, HD International is heavily invested in the market and committed to representing our clients to the fullest.