Through the query related information shows that after the epidemic in early 2020 Tianjin on February 9th waiting to resume work and production. Fast look at the point on the hair not 2020 Tianjin epidemic end of resumption of work resumption of production time shall not be earlier than February 9, that is, in February 9 can resume work resumption of production, belonging to the beginning of the year. So the early 2020 epidemic after the Tianjin February 9 resumption of work and resumption of production.