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On August 5, 2021, Yunjian Information successfully passed the ISO14001 environmental management system and ISO45001 occupational health and safety management system certification, marking that Yunjian Information has established a sound peripheral environmental management and employee occupational health management system. In the future, Yunjian Information will carry out continuous optimization through annual audit, regular evaluation and other means, and constantly improve the management level of relevant fields to be a qualified corporate citizen.