On September 9, 2019, when the fifth Tencent “99 Public Good Day” arrived, ECEC joined efforts with Happy Childhood Charity Reading Workshop Public Good Organization, Baohe District, Hefei in collaboration in public good, so that the public good activity of “mask angels with hospital as your home” to raise donations for “Mask Angel” halfway dormitory project. The contributed monies were mainly used to provide free accommodation environments for families of children with cancer (chiefly, children with hematological diseases) from other provinces seeking for medical treatment in Hefei (mainly referring to children’s hospitals in Anhui Province).