The system is a hanging installation device which is pre-assembled storage tanks, container valve, sprinkler and so on, it can also be fixed on the wall. The system can automatically or manually discharge extinguishing agent. You can choose hanging type or wall mounted system according to the space of fire-proof areas. Hanging heptafluoropropane fire suppression system has the characteristics of accurate working status, short injection time, rapid fire extinguishing ability, easy to install, less investment projects, do not take up fire-proof areas.