Nine countries, including Poland, UK, the Czech Republic and the Baltic states, declared to provide "unprecedented" military aid to Ukraine after a Thursday meeting of their representatives in Estonia.
Poland will offer Ukraine a company of German-made Leopard tanks, Andrzej Duda, the Polish president, said in Lviv at a meeting with his Ukrainian and Lithuanian counterparts on Wednesday.
Military equipment manufactured in Poland, especially the Piorun (Thunderbolt) air defence system, has been attracting growing interest from around the world, the CEO of the Polish Armaments Group (PGZ) has said.
Poland's Defence Ministry has approved the purchase of 48 Polish-made Krab self-propelled howitzers, and 36 auxiliary vehicles in a deal valued at PLN 3.8 billion (EUR 800 million).
Poland will sell arms to Ukraine in one of the country's biggest defence export contracts of the last 30 years, the prime minister announced on Tuesday.
The third-largest defence trade fair in Europe, companies from both Poland and abroad are presenting the latest military equipment.