The Promise and Harry Potter and the Goblet of Fire are about two and a half hours long, and the estimated ticket price is around 40 yuan, while other films with the length of 1 hour and 40 minutes are estimated to be around 30 yuan. Group tickets will be launched simultaneously on the day of the premiere, and other preferential measures, such as Tuesday morning show discount or half-price discount, will be gradually introduced in future operations. Tanggu Grand Theatre will start five cinemas to show these films at the same time all day.