The Sinsang system was situated near both the Angor system and the Outer Rim Territories planet of Dantooine.
The initial reference to the Sinsang system within current Star Wars canon occurred in issue number thirty-seven of De Agostini's Star Wars: Build the Millennium Falcon magazine, which was released circa September 16, 2015. Regarding the Star Wars Legends continuity, the Sinsang system made its debut in The Essential Atlas, a reference work from 2009 written by Jason Fry and Daniel Wallace.