Bismuth: according to the records, the storage of bismuth in China accounts for at least 18.2% of the total storage of the world and is on the top of the world. The exploration revervse accumulative estimation of tin ore resource in Jinbantang mining area in Chenzhou city of Hunan Province is 0.82 million (includiing tin with 0.1 million tons), and potential economic value is 7 billion Yuan, which make our country absolutely advantageous country in bismuth ore. Exploration result makes Jinbantang mining area the biggest bismuth deposit in the world (the storage of bismuth in the world is less than 80 000 tons, resource quantity is 0.28 million tons, and commercial reserves of bismuth has 95910 tons).
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