The file utilization windows of the Guangzhou Municipal Service Center and the real estate transaction registration departments of each district bureau can handle this business, and the &”;certificate of no room&”; can be printed directly on the self-service inquiry machine set in the window with the original second-generation ID card; There is a point &”;Guangzhou Real Estate Transaction Registration Center&”; in the Pearl River New Town. Just come out of the subway and navigate there, and you can test it yourself.