Seoul Computer Systems Soltech first opened its doors in 2002; it has been at this present location since 2008. The store is primarily a repair shop; however, refurbished computers and other computer accessories are also sold here. Seoul Computer Systems Soltech will buy your old computer. To find out what other services the company offers call, visit or check out its website. Conveniently located on one of the main thoroughfares in Annandale, just off the beltway, it is easily accessible to and from the Washington, D.C., metropolitan area via either 495 or 395.