Operating rate of solid re-PSF and HC re-PSF in 2018-2019

2. Operating rate trends are opposite.The operating rate of both solid re-PSF and HC re-PSF was lower than that in 2018 except for the large fluctuation during Spring Festival holidays. The operating rate of HC re-PSF was volatile within 60-70% on the whole in 2018 while mostly within 60% in 2019. A