At 9 o'clock, Shanghai Qingmei Green Food Co., Ltd. stipulated that Qingmei should recruit night delivery drivers to go to work at 9 o'clock. Shanghai Qingmei Green Food (Group) Co., Ltd. is a modern enterprise group focusing on the development of the whole industrial chain of fresh food. Qingmei Group is a national key leading enterprise in agricultural industrialization, a national agricultural product processing demonstration enterprise, a national staple food processing demonstration enterprise, a national leading enterprise in bean products industry and a well-known trademark acquisition enterprise in China.