The grand playground is a playground based on the concept of “healthy fashion, moving sunshine”, the adaptation of the traditional video game industry by the green play project and the promotion of entertainment sites as bright spots. The main projects are video games, games, billiards, ice, children's parks, bumper cars, home experience, indoor carnivals and high-tech films. The “big players” brands are located in china's first- and second-tier cities, including beijing, shanghai, wuhan, chengdu, changchun, shenyang, dalian, harbin, qingdao, xi'an, urumqi and haiguchi. They serve a large number of people, with a wide range of brand indoor playgrounds, providing recreational services to 100 million people daily. It has been a long-standing commitment of large players to participate in activities of public interest, to cooperate with local social welfare and child welfare agencies, to provide joy to orphaned and disabled children, to help out-of-school student...