No, articles are usually not aggressive towards another country; light criticism could be found here and there, but not focused on the US.
The articles are e.g. about China becoming a leader in this/that economy sector. Focus topics seem to be (as far as I remember, been there in 2019 last):
- Progress and positive effects of the Belt and Road initiative - Massive infrastructure projects in mainland China - railway - Fighting pollution - stories about new regulations, violations and their prosecution - Fighting corruption - stories about prosecution of corruption - Aspiring economy sectors in China - domestic airplane development - Joint ventures with technology leaders - like research centers - Cooperation with other countries - Messages of the CCP and the president himself - perfected message control