China's embassy in Washington calls on the US to stop defaming China over spying allegations Embassy spokesman Liu Chang said China opposes the spread of "so-called accusations of 'Chinese spies'" following media reports of alleged espionage by a Chinese businesswoman. According to him, Beijing's scientific and technological development is based on independent innovation, and called on the United States to stop its "malicious attempts to block and suppress China" and expand scientific and technological exchanges and cooperation between the two countries.