China's inventory to production ratio of niobium oxide producers increased 192.94% YoY in May

China's days sales of inventory of niobium oxide producers increased 220.00% YoY in May

China's niobium oxide output increased 10.00% YoY in May

China top five niobium oxide producers by output in May

China top five niobium oxide producers by operating rate in May

China's niobium oxide output increased 11.80% YoY in Apr

China's niobium oxide producers' inventory increased 212.50% YoY in Apr

China's niobium oxide producers' sales volume increased 9.63% YoY in Apr

China's inventory to production ratio of niobium oxide producers increased 179.53% YoY in Apr

China's days sales of inventory of niobium oxide producers increased 200.00% YoY in Apr