Auto Q series polyimide foam products are inherently flame retardant, environmentally friendly and non-toxic, have a wide temperature tolerance range, low thermal conductivity, radiation resistance, UV resistance, light weight, non absorbent, slag free, easy to process and install, and have excellent comprehensive performance. They can be used for a long time under extreme conditions such as ultra-high temperature, ultra-low temperature, high salt spray, strong noise, strong corrosion, strong radiation, and have extremely high reliability and quality assurance.