playroulettegame| Ruifeng Optoelectronics (300241.SZ): The company's MiniLED products currently mainly use COB solutions

Gelonghui May 23 丨 Ruifeng Optoelectronics (300241playroulettegame.SZ) said on the investor interaction platformplayroulettegameThe company's MiniLED products currently mainly use the COB solution, and have relevant technical reserves for the technical path of the glass substrate solution.

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