SD-7's location on a CIA briefing map.
SD-7 was a branch of the Alliance of Twelve based out of Beijing, China.
Just prior to gaining access to server 47, Assistant Director Kendell noted in a briefing that the CIA was aware of the location 7 of the 12 SD cells, including SD-7 in Beijing. Like all SD cells, SD-7 was safely in control of the authorities after the operation. (Phase One)