From smartphones to designer handbags to cars even, counterfeiting has long been a part of Chinese industry, where trademarks can be a slippery concept.
Beijing was awarded the 2022 games on Friday despite the city's lack of snow.
Piggy-backing on the massive popularity of Frozen might be just the ticket to dampen down some of the criticisms levelled at the decision - from the lack of snow to China's poor human rights record.
But just how similar are the two songs? Judge for yourself: here's China's promotional number and here's Frozen's "Let It Go".
"Plagiarism, stealing, copying - that's the only thing China can do," said another YouTube user, zn4807. "There's nothing you can do, this is China, from officials to the people, there's a culture of plagiarism, theft and copying."
Chinese business magazine Caijing Online, cited by the New York Times, analysed the instrumentation in the songs and said they had similar prelude chords and an eight-beat introduction, and run at almost exactly the same tempo.
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