The Chinese Christian Union Church (CCUC) is a Christian organization in Chinatown. The building on 2301 S. Wentworth Avenue is their current headquarters and serves both as a church and an elementary school.  Although they have only been at this particular location since the mid-90s, they have been active in the United States for more than 90 years.  CCUC owns the Pui Tak Center and uses the facility to conduct classes for Sunday school, immigration orientation center, and other social services.