THT Systems, as a fast growing independent IT hardware and Service supplier located in Hong Kong, has offered quality products at significantly reduced prices for many years. Our equipment portfolio includes routers, switches, security products, IP telephony or VoIP products, content and storage products, as well as all Cisco memory, modules and accessories.All refurbished and used equipments are fully tested & authenticated by Cisco CCIE engineers and supported by THT Systems Products Support Team.