Original sentence: Since December 15,  CHC has added another service site by renting the Singapore Expo Hall 8, which has a seating configuration to accommodate a maximum of 8,100 attendees
Edited sentence: CHC has cooperative relationships with many of them.Since December 15, 2005, CHC has added another service site by renting the Singapore Expo Hall 8, which has a seating configuration to accommodate a maximum of 8,100 attendees.There are a dozen mega churches in Singapore, with the more prominent ones being Faith Community Baptist Church, New Creation Church, Trinity Christian Center, Wesley Methodist Church, Church of Our Savior, etc