According to the statistics of the General Administration of customs, China's (ammonium paratungstate) APT export volume in December 2021 was 276.296 tons, down 8.48% from 301.9 tons in November 2021, and an increase of 219.42% from 86.5 tons in December 2020. From January to December 2021, China's (ammonium paratungstate) APT export volume accumulated 2852.475 tons, an increase of 1788.065 tons (an increase of 167.99%) over 1064.41 tons from Janu...