Luckily, recently Czech Republic helped to find hundred and thousands of shells for Ukraine recently [2]. Otherwise, because of the republican stalling in congress, Ukraine was only firing 4000 to 7000 artillery shells per day, while Russia was launching 20,000 shells daily [3]. Also very coincidental, Russia has started using 122-mm artillery shells that have similarities to Chinese-made shells [4].
[1] https://www.japantimes.co.jp/news/2024/03/02/world/politics/...
[2] https://news.yahoo.com/czech-republic-found-hundreds-thousan...
[3] https://apnews.com/article/russia-ukraine-war-nato-artillery...
[4] https://mil.in.ua/en/news/russia-has-started-using-122-mm-ar....