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Costa Rica's natural resources include iron, manganese, mercury, bauxite, gold, silver, etc. The reserves of bauxite, iron and coal are 150 million tons, 400 million tons and 50 million tons respectively, which are mainly distributed in the central gold belt area of the Tilaran Cordillera in the northwest. Costa Rica's calcium carbonate ore is distributed in the northwest with high grade. The purity of calcium carbonate extracted from limestone can reach 99.5%.North America Expansion joint rest assured suppliers Zhongyuan valve fittings Costa Rica online promotion site make up more Costa Rica regional knowledge: Costa Rica attaches great importance to environmental protection, and the development of natural resources is strictly restricted. Oil is completely dependent on imports, mainly from Colombia and other countries, and is exclusively operated by the National Oil Company (RECOPE), which imports 3 million tons of crude oil annually. Costa Rica National Petroleum Corporation suspended the crude oil refining production due to the aging of its facilities, and the fuel oil was imported entirely. In 2013, Costa Rica imported 19.3 million barrels of oil, amounting to 2.3 billion US dollars, accounting for 5.5% of GDP.Expansion joint service provider Zhongyuan valve fittings is located in the Eurasian continental plate, bordering the Pacific Ocean, and shipping is convenient. Zhongyuan valve fittings has a service team for North America Expansion joint customers, which can provide reasonable Expansion joint cement solutions for Costa Rica Expansion joint customers!