The car number is "seven" special insurance red flag, is carefully crafted for the supreme leader Mao Zedong, the entire development process strictly confidential, and from the country from a number of bulletproof armor expert organization research. Participate in the personnel have to undergo a strict careful, even the parts processing of iron should be timely recovery of finishing. The body is made of special steel armor, the window is 8 cm thick bulletproof glass, tire special bulletproof airtight. At the same time, for the convenience of Mao Zedong on and off, especially equipped with electric controlled lifting steps. Red flag CA772T special car insurance in the "Cultural Revolution" only 7

Lin Biao, Jiang Qing two, Kang Sheng three, Wang Hongwen four, Zhou Enlai is the No. five and No. six, Mao Zedong is the last one, equipped with car No. seven.