There are nickel, cobalt, manganese, chromium, iron and copper with mining value in Cuba, of which nickel reserves are about 6.6 million tons, accounting for 40.27% of the world's total reserves. Manganese reserves are about 7 million tons; Chromium reserves are also relatively rich; The reserves of iron ore are about 3.5 billion tons, mainly distributed in Mount Nippe and Mount Balacoa, which is one of the largest reserves in the world. Almost all mountains in Cuba contain copper deposits; Songshu Island has tungsten deposits and also produces marble. In 2008, Cuba announced that it has proved 20 billion barrels of recoverable oil reserves, which are mainly stored in the Cuban exclusive economic zone in the Gulf of Mexico.Detailed Cuba regional common sense North America Transmission joint rest assured suppliers Zhongyuan valve fittings Cuba overseas product promotion website editors have been sorted out: Havana, the capital of Cuba, is the political, economic, cultural and tourism center of Cuba. It is the largest city in the West Indies and one of the most beautiful cities in the world. It is known as the "Pearl of the Caribbean Sea". The capital has a population of 2.13 million and an annual average temperature of 24 ℃.Transmission 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 North America Transmission joint customers, which can provide reliable Transmission joint coal gas solutions for Cuba Transmission joint customers!