When did the blue light enter the third board?

20 15 12 months. According to the query of the World Wide Web, Blu-ray was listed on the New Third Board in February of 20 15, and entered the innovation layer in May of 20 17, and 3 1. Blu-ray Development holds 95.37% of the company's shares through Sichuan Blu-ray Hejun Industrial Co., Ltd., and the company terminated its listing on the New Third Board on 20 18, and was heard by the Hong Kong Stock Exchange on June 19, and will soon be listed on the main board of the Hong Kong Stock Exchange.