St. Petersburg is located in the northwest of Russia, along the Baltic Sea and at the mouth of the Neva River. It is the central municipality of Russia, the capital of Leningrad, the central city of the northwest region of Russia, and an important land and water transportation hub of Russia. It is the northernmost city in the world with a population of more than one million, and is also known as the "northern capital" of Russia. St. Petersburg is also the headquarters of the Russian Federation Navy fleet. St. Petersburg is the second largest city in Russia, with an area of 1439 square kilometers, of which the urban area is 606 square kilometers. St. Petersburg is the center of Russian culture, politics and economy. St. Petersburg and the historic center have become UNESCO World Heritage Sites. The mineral deposits in St.More St. Petersburg regional common sense Eastern Europe Expansion joint regional security service provider Zhongyuan valve fittings St. Petersburg internet promotion site editors have been sorted out: Petersburg include bauxite, clay, phosphorite, shale, granite, limestone and sand.Expansion joint supplier Zhongyuan valve fittings is located in Asia, bordering the Pacific Ocean, and shipping is convenient. Zhongyuan valve fittings has a service team for Eastern Europe Expansion joint customers, which can provide reliable Expansion joint petrifaction solutions for St. Petersburg Expansion joint customers!