[Yuanjie Technology: the high-speed optical chip developed by the company is currently in the research and development stage]-on June 13, Yuanjie Technology disclosed the announcement of abnormal fluctuations in stock trading. In the field of optical communications, the high-speed optical chip developed by the company is currently in the stage of research and development, and it is expected that the above products will not contribute to the company's sales and profits this year. There are certain uncertainties and risks in product R & D progress, sample delivery testing, product introduction and market expansion.