Does Beijing Snow World Ski Resort or Judushan Ski Resort opens on Dec 2?

hello! can anyone tell me if snow world ski resort or judushan ski resort opens on Dec 2? Is it possible to go there and be back at my hotel around 5pm? My return flight back home is 11pm of Dec 2. How much would it cost me ? Do you have any idea how much is the rental fee for ski clothes , boots etc... thank you