Not just FA-50s: Poland buys more than 900 K2 Black Panther tanks and more than 600 K9 Thunder howitzers from South Korea

This is reported by agency PAP, referring to the Polish Ministry of Defense. 

The US received the first batch of new Stryker armored personnel

Poland Receives First Korean Battle Tanks, Howitzers

K9 Thunder - Wikiwand

Why does South Korea have its own weapons industry? - Quora

More K9 Howitzers and K2 Tanks Delivered to Poland

Poland and South Korea just signed a landmark deal for 1,000 K2

Poland and South Korea just signed a landmark deal for 1,000 K2

Poland: we will be the best army in Europe, get your dollars ready!

Poland buy S.Korean rocket launchers after tank, howitzer sales

Poland buys more K9 howitzers in $2.6 billion deal