The passage discusses the工程质量监督 system in China, emphasizing on the responsibility of construction authorities and third-party monitoring agencies. It highlights the two aspects of quality checks: one is the behavior of quality responsibility holders, including资质、人员资格 and 施工过程;the other is the physical quality of the construction, focusing on structural safety and functional use. The process includes obtaining permits, organizing inspections, and issuing整改通知单 for quality issues.