What is best way from Hilton Doubletree to New Century Grand Hotel in Beijing? Taxi? Bus?

Hi, taxi is most convenient as it is only aprund 3.5km between.
Meanwhile, bus is available as welll. Walk from Hilton Doubletree to Daguanying Bus Stop to take bus no. 109, 6, 715 or 57 to Caishikou West Station, from which you can walk to your destination in a few minutes.