According to the statistics of the General Administration of customs, China's export volume of magnesium ingots in December 2021 was 30864.65 tons, down 14.64% month on month; The export volume of magnesium powder was 9348.764 tons, an increase of 45.67% month on month; The export volume of magnesium alloy was 12873.201 tons, an increase of 46.92% month on month; The export volume of magnesium products was 402.413 tons, an increase of 11.91% month on month...