On December 16, 2019, Beijing Yingherui Environmental Technology Co., Ltd. officially obtained GB / T19001-2016 idt ISO9001: 2015 quality management system, GB / T24001-2016 idt ISO14001: 2015 environmental management system and ISO45001: 2018 occupational health Management system certification, which indicates that Yingherui Environment has made new progress in the institutionalized, standardized, procedural and standardized operation process.