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The Republic of Bulgaria, or Bulgaria for short, is a country in the southeast of the Balkan Peninsula in southeast Europe, bordering Romania, Serbia, Macedonia, Greece and Türkiye, and bordering the Black Sea in the east. Bulgaria's main mineral deposits include coal, lead, zinc, copper, iron, uranium, manganese, chromium, mineral salt and a small amount of oil.Eastern Europe Waterproof casing honest cooperative enterprise Zhongyuan valve fittings Bulgaria cross-border business service station make up more Bulgaria regional knowledge: Bulgaria's forest area is 3.88 million hectares, accounting for about 35% of the country's total area. Sofia, the capital of Bulgaria, is the political, economic and cultural center of the country. It is located in the west of Bulgaria and in the south of the Sofia basin surrounded by mountains. Sofia is the largest city in the country, across the Iskel River and its tributaries, with an area of 167 square kilometers and a population of 1.25 million (2012). It was called "Seldika" in ancient times. Sofia is also a tourist attraction and a world-famous garden city.Waterproof casing supplier Zhongyuan valve fittings is located in East Asia, China, bordering the Pacific Ocean, and the China-Europe train runs through the country. Zhongyuan valve fittings has a designated service team for Eastern Europe Waterproof casing customers, which can provide reliable Waterproof casing coal gas solutions for Bulgaria Waterproof casing customers!