Floating roof is one kind of energy saving and environmental protection equipment which raise and fall on the surface of the liquid by buoyancy inside the storage tank. It focuses on reducing the volatilization of the medium in storage tank, the loss of energy and protecting the environment. By installing the floating roofs to seal the medium, the storage tank is able to reduce the temperature and achieve the goal to save energy and protect the environment. Floating roof application: Suitable for storing volatile oil such as gasoline, light diesel oil, crude oil etc, and chemical medium such as alcohols, benzene,etc