1. China Children's Welfare Network (/): China Children's Welfare Network is the official website of China Children's Welfare Foundation, providing information about announcements, policies and regulations, welfare projects, etc.

2. National public service advertisement publishing catalogue system (/): The national public service advertisement publishing catalogue system is the official platform for publishing public service advertisements approved by the China Municipal People's Government, including some announcements related to children's welfare.

3. Official website of the local people's government: The official website of the local people's government usually publishes announcements, policies and regulations related to the adoption of children. You can go to official website to find relevant announcements according to your location or areas of interest.

Please note that the announcement of national adoption of children may be adjusted and updated according to the region and period. It is recommended that you confirm whether the announcement you want to check is up-to-date and effective before making an inquiry.