From April 18 to 26, 2019, Deputy Managing Director of CQC Zeng Guangfeng led a delegation to the United States and Canada to conduct business exchanges and negotiations for cooperation regarding green and healthy building, and visit U.S. Green Building Council (USGBC), Green Business Certification Inc. (GBCI), UL Company, British Columbia Forestry Innovation Investment (BCFII) and CCIC overseas companies. Through this visit, CQC has learned about the international trends in green building, healthy building, wood-structure building and other related fields, which is conducive to promoting the cooperation between CQC and internationally renowned institutions and accelerating the innovation and development of the evaluation and certification business of CQC in the field of building.