"We have been paying attention to the domestic and international community's reaction to this US presidential election," foreign ministry spokesman Wang Wenbin said Friday at a regular everyday briefing.
"We respect the choice of the American people. We extend congratulations to Mr Biden and Ms Harris. We understand the results of the US election will be determined according to US laws and procedures," he added.
The news comes after the Trump administration on Thursday revealed an administrative order banning US investments in Chinese firms, accumulating pressure on Beijing after the US election.
President Trump is still denying to admit defeat to Biden, maintaining the election is not over. He also asserted that his 2.7million votes for him had been "deleted".
Russian President Vladimir Putin has yet to praise Biden. Russia would only recognize a new US president on the evidence of "official results", according to Putin's spokesman Dmitry Peskov.
Biden, who will be the 46th US President, is also the most-voted for a presidential candidate in US history, achieving around 75 million ballots.
The 77-year-old crossed has won in the race to the White House after winning the state of Pennsylvania, giving him the necessary 270 electoral college votes.
Canadian Prime Minister Justin Trudeau was between the first to show their support for the Democratic nominee after he was called for in major news outlets on Saturday.
And many other world leaders, including UK Prime Minister Boris Johnson, Prime Minister of India Narendra Modi, have since given praises.
Federal agencies managing election security joined with a combination of officials from each state on Thursday to denounce claims that there is any indication of voter fraud in the 2020 presidential election.
Yet, the president proceeded to push his fraud accusations on Thursday night as he took to Twitter to say "Biden did not win, he lost by a lot!" and retweeted several claims about the voting software used stealing thousands of votes for him and destroying millions more.
In three tweets, he praised his Fox News ally Sean Hannity for a part on the exposed allegation of software bugs, despite spending most of the day hitting out at the network and calling on his followers to stop watching.
The executive order made by Trump is the first major policy initiative by President Donald Trump since supposedly losing the November 3 election to Democratic rival Joe Biden.
Trump has shown that he is seeking to take advantage of the waning months of his administration to descend on China, even as he has appeared focused on challenging the election result.