Windmills are all made in China.

Multiple sources confirm that China dominates global wind turbine manufacturing capacity, with around 60% of global production capacity located there and Chinese companies occupying top positions in turbine manufacturing rankings.euronews.comeuronews.comTrump calls wind energy a ‘con job’: Here’s what the data actually says about... However, this does not mean all wind turbines are made in China. Major European and US companies continue to manufacture turbines and components domestically or in other countries.legal-planet.orglegal-planet.orgTrump’s Offshore Wind Ban vs. China’s Wind Juggernaut+1 more

For example, Europe still produces a substantial share of its own turbines despite competitive pricing from Chinese manufacturers.cepa.orgcepa.orgChina Threatens Europe’s Windmills Additionally, offshore wind turbines in the US often involve imported components but also include domestic manufacturing.juancole.comjuancole.comTrump never saw a Wind Farm in China, but Beijing has half of all Installed Wind... The presence of 44 Chinese manufacturers highlights China's scale but does not exclude other global producers.+2 more

Historical use of windmills in China relates to older agricultural technology rather than modern industrial turbines.reddit.comreddit.comr/AskHistorians on Reddit: Did Chinese Agriculture ever utilize Windmills before... Overall, the evidence shows China leads but does not exclusively produce all wind turbines worldwide.