1. I think you may understand that it may be somewhat inaccurate. "SKD Labs" is the evaluation and certification organization of "West Coast Labs" in China. Strictly speaking, it is localized, but it is not a Chinese company.2. The second and fourth are "McAfee AVERT" and "Kaspersky" respectively, which are just Chinese names, not that they are also products of Chinese companies. 360 antivirus, also ranked 9th.3、they are a Microsoft MVI certification source: https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/virus-initiative-criteria4. Therefore, I think the key point is to communicate with them by email objectively and fairly, analyze the specific reasons, rather than doubt whether they are Chinese companies. Because "McAfee AVERT" and "Kaspersky" are not localized, nor are they Chinese companies.