McDonald's, headquartered in Oak Brook, Illinois, is one of the well-known food service groups. It is not only a leader in the food service industry, but also a well-known franchise brand, and its influence in the industry should not be underestimated.

KFC is headquartered in Louisville, KY, and is part of Yum Brands, a large global restaurant group. It is a very popular fried chicken restaurant chain around the world, with more than 15,000 KFC restaurants around the world, and receives more than 12 million customers every day.

Happy Star Burger is a well-known burger brand in China, which belongs to Shanghai Doosi Restaurant Management Company Limited, and is headquartered in Shanghai, China. 2010 was invited to participate in the Shanghai World Expo, the only burger brand in China. Products are rich and diverse, continuous innovation, stores throughout the country, in the international market also has a considerable reputation, is now among the first-line brands.

Burger King is a large global fast-food chain with more than 11,220 outlets in 61 countries and regions around the world, and due to the exposure of this year's 315 evening party, the brand image has a certain impact.

Dexx started in the United States, was acquired by Tingxin Group in 1996, China's Western fast food franchise brand, known for its crispy fried chicken, the national chain of influential enterprises in the food and beverage industry Dexx is one of the Western fast food brands to understand the preferences of Chinese consumers, crispy fried chicken sold more than 100 million copies a year, and so far it has been a best-seller for more than 20 years.