On November 16th, the 2023 national sailing championships (Class 470) opened in Haikou and will continue until November 20th. About 100 athletes from 7 representative teams from Zhejiang, Shanghai, Hainan, and other regions are participating in the event. Class 470 refers to the specifications of the sailboat, which is 4.7 meters long and 1.68 meters wide. These vessels feature excellent operating performance and enjoy great popularity worldwide.