On December 25th, the government of Fangshan District in Beijing signed a cooperation agreement with Yihang Intelligent. Yihang Intelligent's national headquarters for low altitude emergency rescue equipment has landed in Fangshan. The two sides will jointly build a comprehensive emergency fire protection industrial park that integrates innovative project incubation centers, production and manufacturing bases, and multi scenario testing and training centers. They will introduce upstream and downstream enterprises in the incubation industry chain, provide new models for low altitude emergency rescue industry research and development testing, standard formulation, and demonstration applications, and make every effort to build a "low altitude+" ecological model for the safety emergency industry.