On December 5, ambient air quality index (AQI) of Yiwu was close to 400, the afternoon of December 7, AQI actually broke through 500, to the extent of detonation table. Municipal Meteorological Observatory issued the first-ever haze yellow warning signal, and then they released haze yellow warning for three days. Masks and air purifiers almost sold out, whether it is wearing a mask or with air purifier, could not be completely isolated from contaminants.

Recently, the cold air finally arrived in Yiwu. According to the municipal meteorological observatory news, there was a moderate intensity cold air from north moved to eastward south, in wee hours of December 9, the city had a more obvious cooling and partial weak precipitation, the average temperature is expected to drop rate of up to 5 ~ 7 ℃. During this period, the wind increases, the air diffusion conditions improved slightly, the haze would be eased. On the 11th, another wave of cold air will comes, air quality will increase again.

While improvement in air quality, we should to keep warm in cold winter. Hat becomes one of the essential goods to keep warm in winter, Yiwu hat factory launches several earmuffs Lei Feng hats:

PU leather Lei Feng hat

Plaid Lei Feng hat

Children Lei Feng hat

Fake fur Lei Feng hat