The HQ-7 (; NATO reporting name: CH-SA-4) is a short-range surface-to-air missile (SAM) from the People's Republic of China. It was reverse-engineered by the Changfeng Electromechanical Technology Design Institute from the French R-440 Crotale SAM. It entered service in the early 1980s.
A ground battery consists of a short-range radar and three launchers. Each launcher has four or eight missiles.
Original command-guided version.
Naval variant.
Improved version.
Export version of the HQ-7A.
Export version of the HQ-7B.
Naval variant of the FM-90.
FM-90.
HQ-7A, HQ-7B and HHQ-7.
FM-80. Produces a mobile version dubbed Herz-9
FM-90 and FM-90N.
FM-90.