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In recent years, revolutionary technology has redefined the way high-rise building maintenance is approached. Drone-based exterior wall cleaning systems have set a new benchmark in the industry by combining efficiency with unparalleled safety. This innovative solution marks a significant milestone in the field of building maintenance, offering both technological advancements and operational breakthroughs.

With the rapid growth of human activities and industrialization, water surface pollution has emerged as one of the most pressing environmental challenges of our time. Addressing this issue requires innovative solutions that go beyond traditional methods.

On September 25, the world's largest international hydrogen energy technology industry exhibition "H2 MEET 2024" kicked off at KINTEX in Goyang, South Korea. Hydrogen cars, forklifts, bicycles, motorcycles, hydrogen energy engines, liquid hydrogen tanks, hydrogen pipelines and hydrogen refueling stations... all kinds of forms are available. It is understood that this year is the fifth year of the exhibition and it is also the largest one. A total of 317 companies and institutions from 24 countries around the world participated in the event to showcase the latest hydrogen energy technologies and trends.

In recent years, a revolutionary cleaning technology, the drone exterior wall cleaning system, has officially debuted and been put into use. The birth of this technology marks the entry of the building exterior wall cleaning field into a new era of both efficiency and safety, which can be regarded as a milestone in scientific and technological innovation.
For a long time, traditional glass exterior wall cleaning operations have been highly dependent on manual operations by high-altitude workers, which is not only labor-intensive but also accompanied by extremely high safety risks. In contrast, the introduction of drone cleaning technology has fundamentally subverted this traditional model.

With the acceleration of urbanization, cleaning and maintenance issues of high-altitude buildings, bridges, power facilities, etc. have become increasingly prominent. Traditional manual cleaning methods are not only inefficient and costly, but also pose safety risks in high-altitude operations. High-pressure water jet cleaning technology carried by drones has emerged as the times require, and with its unique advantages, it has become a new solution to this problem. This technology uses a high-pressure water jet device on a drone platform to achieve long-distance, high-altitude, and precise cleaning operations, with the advantages of high operating efficiency, low cost, and good safety.

With its significant advantages of high speed, low latency and large capacity, 5G is constantly being integrated into our lives. 5G technology empowers security applications, effectively promoting the deep integration and application of drones in different scenarios in the security field, and realizing efficient, intelligent and autonomous drone security operations.

This year marks the third year of my country's hydrogen fuel cell demonstration development. On the one hand, fuel cell companies are busy exploring the terminal market and expanding their capital reserves. On the other hand, under environmental uncertainty and survival pressure, companies are still continuing to hone their product basics in response to market demand, and optimizing and iterating technology around reliability, stability, life, hydrogen consumption and other performance.

On the evening of June 20, the "2024 Hydrogen Power Industry TOP100 Awards Ceremony" was grandly held, and hundreds of representatives from outstanding companies in the hydrogen energy and fuel cell industry chain witnessed the announcement of the selection event.

For a long time, in the competition with electric vehicles, fuel cell vehicles have not been challengers, but rather market supplementers. Because in the passenger car market, which accounts for the majority of automobile sales, pure electric or hybrid models powered by lithium batteries are the absolute mainstream, fuel cell vehicles seem to have to find another way to break through in the commercial vehicle field.
So, will the car companies that have not given up the hydrogen energy technology route really abandon the large passenger car market? The situation is not so pessimistic. In the fuel cell passenger car market, in addition to Toyota and Hyundai, which launched mass-produced models in previous years and have a strong development momentum (well-received but not popular), giants such as BMW have also begun to try recently and released a hydrogen car mass production plan.

Not long ago, we successfully delivered a hydrogen-electric drone for highway inspection to a customer. This hydrogen-electric drone is used during highway construction. It guides vehicles to avoid obstacles in advance through the mounted display screen. Compared with traditional construction reminder methods, drone aerial operations are more eye-catching and flexible. Hydrogen-electric drones have longer flight time than traditional drones and can cover a wider inspection area, effectively improving vehicle traffic efficiency during road construction.

In recent years, with the development of fuel cell technology and the improvement of hydrogen refueling facilities in my country, the characteristics of hydrogen-powered vehicles, such as fast refueling speed and suitability for long-distance heavy-load transportation, are becoming more prominent.
Recently, a hydrogen-powered logistics vehicle completed a 1,300-kilometer long-distance transportation mission from the Beijing Daxing International Hydrogen Energy Demonstration Zone to the Yangtze River Delta (Jiaxing) Hydrogen Energy Industrial Park. Earlier in April, a 49-ton hydrogen-powered heavy truck also completed a 1,500-kilometer long-distance transportation test from Beijing to Shanghai, proving that my country's hydrogen-powered vehicles have achieved large-scale, long-distance, and cross-regional actual transportation.

Summer is hot, and it is also the season when electric bicycle fires are most likely to occur.
The Beijing Fire and Rescue Bureau recently reported that in July, there were 59 electric bicycle fires in Beijing.