The Czech Republic is one of the most stable and prosperous of the post-Communist states of Central and Eastern Europe. Maintaining an open investment climate has been a key element of the Czech Republic's transition from a communist, centrally planned economy to a functioning market economy. Czech Republic is one among the industrialized economies in the region. Both services sector as well as industrial sector is equally important for the country's economic development. Major agricultural products of the country are wheat, potatoes, barley, and maize. Important industries are crude steel, minerals, coal, armaments, and sugar. The country has a larger deposit of minerals such as coal and uranium. The largest trading partners are Germany, Slovakia, Poland, France, and Italy.