Sina Inc. is a FPC registered in the state of Colorado. The business was filed on 10/10/2014 and is currently listed as Delinquent. The official file number for this entity is 20141620199. The registered agent on file is Corporation Service Company, located at 1900 W. Littleton Boulevard, Littleton, CO, 80120. The principal office address is located at 401 West Superior Street, Chicago, IL, 60654.