No regulations. 2022 Dalian not allowed to stay in the canteen how long is not regulated, because as long as they eat their own meal can leave the canteen. Dalian, also known as Bin Cheng, romantic city, Liaoning Province, prefecture-level cities, sub-provincial cities, planned cities, megacities, the State Council approved the determination of the northern coast of China's important central cities, ports and scenic tourist cities, Liaoning coastal economic zone, the central city.