The multi-purpose carriages can be used for exports of processed products aluminum ingots and pigs, and on the way back they can be loaded with imported alumina to avoid empty runs. In May, Kryukovsky Carriage-Building (KVBZ) delivered 90 carriages to Lithuanian Railways to be used for the transportation of mineral fertilizers. Concorde Capital: KVBZ is the most profitable Ukrainian railway carriage maker. Last year it posted a EBITDA margin of 12.5%, Almost 9% above average for its group of Ukrainian peers, and it had a net margin of 6.8%, compared to a negative -0.1% average for the group.