Edit: Missed out Deino's post on the first page, since I blocked twitter, which already point this out as well.
Another dig at this report
westernmedia.org a fake website, just copied the article from
militarywatchmagazine.com (for those that missed the post above)
Since entry into service in March 2017, when it became the first non-U.S. fifth generation fighter operational anywhere in the world, China’s J-20 heavyweight stealth
militarywatchmagazine.com
militarywatchmagazine.com parrots the number of 150 J-20 from
airforcemag.com
Production of the J-20, touted by China as a stealth fighter, is set to increase, with one US lawmaker saying the inventory could soon challenge the US.
www.airforcemag.com
airforcemag.com parrots the number of 150 J-20 from Americas state run media outlets most favourite "
state run Chinese media outlet", yes you guessed it right,
Minnie Chan from
South China Morning Post
New brigade of upgraded J-20s, deployed in ceremony forming part of Communist Party’s centenary, sends a signal to South Korea and Japan, observer says.
www.scmp.com
Minnie Chan from
South China Morning Post for the number of 150 J-20 once again cites an
anonymous military insider and I guess everyone here knows who Minnie Chans most frequently cited currently Japan based military insider, who has absolutely no insider insights on Chinas military, is.
So in summary:
This "news" is 4 months old and the "U.S. Sources claim" is actually in the U.S. sources labeled as a "Chinese state run media" claim, which is actually a Hong Kong based troll, which is actually citing an alleged "insider" source that is actually most likely a Japan based troll.
Welcome to Journalism with American characteristics.
Journalism is the production and distribution of reports on current events based on facts and supported with proof or evidence.