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标题（Title） 一般不超过80个字符
London Metal Exchange(伦敦金属交易所)
关键词（KeyWords）一般不超过100个字符
描述（Description）一般不超过200个字符
The world's premier non-ferrous metals market. The LME offers futures and options contracts for aluminium, copper, tin, nickel, zinc, lead, aluminium alloy and NASAAC, steel billet, plastics, cobalt and molybdenum.