Intersection of Qimen Road and Susong Road, Baohe District, Hefei City. The Junior Bridge Class near Wang Hu, Hefei City is a junior bridge training institution of Mairuishang, located at the intersection of Qimen Road and Susong Road in Baohe District, Hefei City. Pre-school transitional class refers to a special teaching course for children to get familiar with and adapt to the learning and living environment of primary schools in advance before entering primary schools.