Economy of Bulgaria (574 euro) (December, 2017). The national currency is the lev (plural leva), pegged to the euro at a rate of 1.95583 leva for 1 euro. The lev is the strongest and most stable currency in Eastern Europe. The strongest sectors in the economy are energy, mining, metallurgy, machine building, agriculture and tourism. Primary industrial exports are clothing, iron and steel, machinery and refined fuels. The trading partners with largest contribution to the import/export are Germany, Italy, Romania, Turkey, Greece, Russia, France, Spain, Poland, Netherlands, China, Hungary and Belgium. Sofia is the capital and economic heart of Bulgaria and home to
Bulgaria Air as on-board Wi-Fi. "Fly More" is the name of the Bulgaria Air Frequent flyer programme. There are three levels of membership: Central Cooperative Bank is issuing Visa Classic and Visa Gold co-branded Credit Cards with Bulgaria Air. These cards are giving numerous discounts and privileges to their holders. In 2010 Bulgaria Air and LSG Sky Chefs created a new airline catering company called Silver Wings. The total investment for Bulgaria Air reaches to $1.3 million. Future investment plans envision a new canteen to serve the airport staff at Sofia Airport. Bulgaria On Air is a business media brand, created on