Delicious. According to Tian Jiabing Middle School, the school cafeteria has complete dishes, which are green and healthy, and recipes and tastes are formulated in combination with students' eating habits. Tianjin Nankai Tianjiabing Middle School (formerly Tianjin Yuhong Middle School) is located in Nankai District, Tianjin. It is an old school with excellent school-running tradition and high-quality educational resources. Nankai district is a state-owned full-time key middle school and a key middle school in Nankai district.