What can be found on the China Trademark Online are trademarks registered through the State Trademark Office. In addition to restrictions on certain industries, our country allows the use of unregistered signs as trademarks.

The brands queried on Baidu are brands that are recognized by everyone or promoted by the company itself. Such brands are not necessarily registered.

Some brands have registered trademarks but have not promoted them, so you can’t find them on Baidu

So, according to your understanding, it is also correct