This Winter Olympics, in the eyes of Zhang Yimou, the chief director of the opening and closing ceremonies, is a symbol of "romantic, ethereal and modern technology". In the opening short film "Countdown: Beginning of Spring", from the first cut of the camera, to the poetic fall of the first drop of rain, to the final flow to the beginning of spring, it not only symbolizes the day of the opening ceremony, but also symbolizes the end of the severe cold. With the beginning of spring. And this kind of "Chinese-style romance" will continue to be staged in the closing ceremony. What controls the "Dream Five Rings" slowly rises is a wireless remote control device. Compared with the device used in 2008, it has stronger anti-interference capabilities and a higher security level. The reason why it can use such "high-precision" equipment is because when selecting suppliers, Long March Tianmin Company gave full play to the advantages of the aerospace system engineering management model, selected the best from the best nationwide, and successfully made "Dream Five" The environment uses aerospace equipment. Gao Jun, general manager of the Stage Business Department of Long March Tianmin Company, said that this management model also achieved "cost reduction and efficiency increase". During the entire process from creativity to reality for the opening and closing ceremonies of the Winter Olympics, the team of Long March Tianmin Company cooperated with Zhang Yimou, the chief creative officer The team has completed more than 20 rounds of continuous adjustments and optimizations of creative plans, saving nearly 10 million yuan in costs.