In addition to the TikTok platform promoting conservatives and other anti-Biden sentiment, which they later did yet again in Germany for the AFD, they also voluntarily shut their own app down for the election and blamed Biden for it, then later turned their services back on and thanked Trump.
Trump's smiling face was plastered all over Tankie communities like ML and Hexbear.
Trump is the only POTUS to ever speak so fondly of Xi Jinping, of Kim Jong Un, of Putin. When Jinping first officially ended his own term limits, Trump sincerely congratulated him and asked about doing the same thing in the USA.
China, including Xi Jinping himself, congratulated Trump in turn. Some Chinese celebrated, they believe that the rise of Trump is the Fall of the West and therefor the Rise of China, because they inherently do not believe in coexistence.