On February 24, 2022, under the order of Russian President Vladimir Putin, the Russian army launched a special military operation against Ukraine. At present, many major military facilities in Ukraine have been destroyed.The Russian military action has greatly stimulated the nerves of NATO countries

key investment points: 1. The Internet of things has made great efforts in application and underlying technology, and has entered a period of industrial growth, with a potential market space of more than 100 billion yuan;2. As the foundation of the meta universe, the Internet of things will usher i