The “18-Star Flag” during this time was used by the army, and the modern red and yellow flag was used as … SVG development The source code of this SVG is valid . In the norther region, a flag of five colors—red, blue, white, yellow and black—was flown. Vector files are designed so as to be enlarged in any format without loss of quality. Upon the establishment of the Republic of China, the “Five-Colored Flag” was chosen as the national flag. Download your free Chinese flag here (vector files). Note: The People's Republic of China is the legal successor of the Republic of China; therefore, this license tag is also applicable to the flags of the Republic of China. Flag of the Republic of China.svg 900 × 600; 620 bytes Flag of the Taiwan Garrison Command.svg 1,125 × 750; 25 KB Flags of the Republic of China.svg 450 × 649; 2 KB Get your EPS, AI, PDF, and SVG files here. The China flag vector files can also be reduced with a sharp result.