What does the striped case on the top of Guangzhou police car mean?

Navy blue represents seriousness, solemnity and safety, while white represents honesty and clarity. Type 2004 police car, navy blue represents seriousness, solemnity and safety, and white represents honesty and clarity. The two colors have strong contrast, strong visual impact and good visibility, which is in harmony with the current police uniform colors. The 2004 POLICE car broke through the simple painting of white and blue on the existing police car, with navy blue and white as the basic colors and yellow as the supplement. The appearance consists of special graphics, car emblem, number, Chinese character "police" and English "police" and department abbreviations.