Taizhou Tsinghua Campus Education Counseling Station, Taizhou Una Education, etc. Jiaojiang District is the jurisdiction of Taizhou City, Zhejiang Province, located at the entrance of Taizhou Bay on the central coast of Zhejiang Province, formerly known as "Haimen", which is the main urban area of Taizhou. Jiaojiang Olympic Mathematics Tutorial Class includes Taizhou Tsinghua Campus Off-campus Education Tutorial Station and Taizhou Una Education. The Olympics embodies the ingenious thinking, flexibility and mathematical aesthetics in mathematics.