According to the Wall Stree Journal, Intel reportedly alerted Chinese companies before US Gov about Meltdown and Spectre vulnerabilities. A leaked memo from Intel to computer makers suggests the company reported the issues to an unnamed group of computer makers on November 29 via a non-disclosure agreement. The same day, the Intel CEO Brian Krzanich sold off his shares. Security experts speculate the companies might have passed this information to the Chinese Government, but Alibaba spokesman refused any accusation. The Meltdown flaw is easy to exploit, this means that it is likely that threat actors might have.”]
Source: https://securityaffairs.co/wordpress/68403/security/meltdow-flaw-china.html