Summary | Air quality also improved this year in the
neighboring Hebei Province.Improved air quality has reduced
sales of masks."Instead of smog masks, we have sold more
anti-flu masks," said saleswoman Liu at the
pharmacy.Neighboring Tianjin and Shijiazhuang showed similar
patterns."I gave some away as gifts and have only used two ...
neighboring Hebei Province.Improved air quality has reduced
sales of masks."Instead of smog masks, we have sold more
anti-flu masks," said saleswoman Liu at the
pharmacy.Neighboring Tianjin and Shijiazhuang showed similar
patterns."I gave some away as gifts and have only used two ...
en.ce.cn | 04 January 2018