Hi I got z work visa for China valid from 23rd Jan to 23rd due to corona virus my flight in emirates

Hi I got z work visa for China valid from 23rd Jan to 23rd due to corona virus my flight in emirates got cancelled ,will I take my passport to Jerry's office islamad is it open ? Will they give me a new visa or extend my visa I spent a lot of money on this visa but China has bans entry now what to do now