Xiao Guo said with a smile: "Yanhuang Group is committed to safeguarding the security of national property. Every year, our chairman invests a lot of money. He not only introduces the most advanced equipment in the world, but also sets up a research department by himself. Every year, he invests in research funds, even if it is the most expensive scientific research institution in the country, which is not as much as we invest. At present, not only has the world's most advanced security maintenance equipment, but also has the most sophisticated scientific and technological personnel. Unity, capital, talent and innovation are the four magic weapons of Yanhuang Group.

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