The patent search page of China National Intellectual Property Administration's homepage has several search boxes.

The patent search page of China National Intellectual Property Administration's homepage has 16 search boxes. China National Intellectual Property Administration is a national bureau managed by the State Administration of Market Supervision, and it is a deputy ministerial level. In the course of performing his duties, China National Intellectual Property Administration implemented the principles, policies and decision-making arrangements of the CPC Central Committee on intellectual property work, and adhered to and strengthened the Party's centralized and unified leadership over intellectual property work.