Packed meals on high speed trains prepared by specialist catering service companies

Dishes are seen at a workshop to be packed in a catering management company for high speed trains in Qingdao, east China's Shandong Province, Feb. 3, 2019. Packed meals on high speed trains are prepared by specialist catering service companies. Each meal is checked by taste, nutrition and price before it is served to passengers. (Xinhua/Li Ziheng)