Bulgaria's Prime Minister Sergei Stanishev will open today the 63rd edition of International Technical Fair in Plovdiv city. On the Bulgaria's most representative forum for investment goods and technologies will be presented last achievements in the machine building, car building, transport, IT, software, electronics and electrical engineering, constructions, chemistry, energetic, ecology and others. More than 3,600 firms from 49 countries will participate in the forum. Germany is the country-partner on the 63rd International Technical Fair. The partnership is indication for economy and social cooperation in United Europe. This is also a factor for activation the collaboration between the different regions in the EU.