How to explain the word big cloud?

Hunan Dayun Industrial Group Co., Ltd. was established in May 1996. After more than ten years of entrepreneurship, Dayun has formed a diversified industrial cluster with real estate development and hotel management as its pillars and industry and trade as its wings. The company has been awarded the honorary titles of "Contract-abiding and Credit-keeping Unit" and "Excellent Private Enterprise in Hunan Province" by the provincial government for many years. The subsidiary has successively won many honors such as "Star Private Science and Technology Enterprise in Hunan Province", "Excellent Packaging Enterprise in China" and "Contract-abiding and Credit-abiding Enterprise in Hunan Province". The whole group has more than 2000 employees. Yun'an Gao, Chairman of the Group Company, is a senior economist, a model worker in Hunan Province, and a representative of the 10th and 11th Provincial People's Congress. Yun'an Gao was born in 196 1 and worked in 1977. Worked as a teacher, civil servant and general manager of state-owned enterprises. 199 1 resigned and went to sea, and started businesses in Shenzhen and Zhuhai successively. 1996, he founded Hunan Dayun Industrial Group Co., Ltd. With a high degree of commercial sensitivity and pragmatic enterprising spirit, he resolutely grasped the business opportunities and led the team to gradually develop Dayun industry. At present, Dayun Group has 10 subsidiaries in trade, real estate, packaging and printing, machinery manufacturing, automobile sales, hotel management, property management and architectural decoration, and has subsidiaries or offices in Hong Kong, Beijing, Shanghai and Changsha, with assets exceeding 2 billion yuan. Hunan Dayun Trading Co., Ltd. has been the largest distributor of special steel products in Hunan Province for many years, and is the best agent for large steel production enterprises such as Daye Special Steel, Shoute Special Steel, Lianyuan Iron and Steel, Tangshan Iron and Steel Co., Ltd., with outstanding performance and good reputation in the industry. Hunan Dayun Green Packaging Co., Ltd. is the printing and packaging enterprise with the strongest comprehensive production capacity in Hunan at present, with annual sales exceeding 100 million yuan. It is one of the only two enterprises in Hunan Province that have been rated as "Top 20 Packaging Industry in China" by the World Printing Congress and China Packaging Association. The automobile brake series products independently developed and produced by Hunan Dayun Machinery Manufacturing Co., Ltd. won the title of "Famous Brand Products in Hunan Province", and it is an important supporting production enterprise of Dongfeng Motor Company, Hunan Automobile Axle Factory, Beiqi Foton, Zoomlion, Puyuan Axle, Yutong Bus and other large automobile manufacturing groups. Dayun extends to the real estate industry. 200 1, based on the steady development of commerce and trade, the company decisively invested in the real estate industry and successively developed a number of high-end residential quarters. In 2004, the company invested and built Dayun International Plaza in Changsha CBD. The project covers an area of 1 1300m2, with a total construction area of 106m2 and a total investment of more than 800 million yuan. With its unique geographical location and high-end product positioning, the company has successfully introduced top international brands such as Sheraton, Meimei and Louis Vuitton. At present, Sheraton Changsha Dayun Hotel and Dayun International Plaza have been recognized as the most upscale hotels and properties in Hunan. Today's Dayun is entering a new development period in which product management and capital operation go hand in hand. As a fast-rising lifestyle developer, high-end hotel operator, logistics service provider, customer brand promoter and automobile industry accessory in Hunan business community, Dayun's future is full of hope.