Resources Science, Volume. 42, Issue 8, 1504(2020)
Fig. 1. Annual change of total trade volume of four typical products in the global tungsten industrial chain, 2009-2018
Fig. 2. Annual change of market concentration of four typical products in the global tungsten industrial chain, 2009-2018
Fig. 3. Sketch map of countries and regions in the list of C8 oligopoly export members in the tungsten industrial chain, 2009-2018
Fig. 4. Evolution features of the competitiveness of typical export countries of tungsten ore, 2009-2018
Fig. 5. Change of the competitiveness of typical export countries of tungstate, 2009-2018
Fig. 6. Evolution features of the competitiveness of typical export countries of ferrotungsten alloy, 2009-2018
Fig. 7. Evolution features of the competitiveness of typical export countries of tungsten products, 2009-2018
Fig. 8. Comparison of the competitiveness of typical countries in the tungsten industrial chain, 2018
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Huajiao LI, Haizhong AN, Yajie QI, Haiping LIU.
Received: Jan. 1, 2020
Accepted: --
Published Online: Apr. 23, 2021
The Author Email: LI Huajiao (babyproud@126.com)