Exports of Niobium, tantalum, vanadium ores and concentrates (HS:261590)by Province and City in Nov. 2013 provides the latest data of Niobium, tantalum, vanadium ores and concentrates export of China's 32 provinces and cities including monthly total export volume, export amount and comparison with the same period. CBC Metal Network China Mining Network provides you with the latest and most accurate market Niobium, tantalum, vanadium ores and concentrates import and export data information to help you grasp the Mining market import and export dynamics, in-depth understanding of position and trend of China's 32 provinces and cities in the global Niobium, tantalum, vanadium ores and concentrates trade.