Shenzhen Changyu Times Technology Co,. Ltd has been professional in the aftermarket of used Cisco products for over 10 years. We have been dedicated to being a qualified manufacturer as well as a distributor with abundant experience for domestic and worldwide customers. We deal with used Cisco business by export and import. Our products are original used Cisco switches, Cisco routers, Cisco firewalls, Cisco modules, Cisco SFPs, mini GBICs and Cisco voices.