Surface-to-air missiles. (File photo)

Chinese Air Force has set up complete air defense system.

Long-rang, medium-range and short-range surface-to-air missiles were displayed in the V-Day Parade marking the 70th anniversary of victory of the Chinese People's War of Resistance against Japanese Aggression and the World Anti-Fascist War in Beijing on Sept. 3, 2015. The missiles included HQ-6, HQ-12 and HQ-9. HQ-9 which is developed independently by China is the third generation surface-to-air missile. Chinese Air Force has developed a complete air-defense system.