[Tianfu Communications: there is great uncertainty in the overall demand scale of the 800G optical module market in the optical communications industry]-Tianfu Communications issued an announcement on May 25th. There is great uncertainty in the overall demand scale of the 800G optical module market in the optical communications industry. At the same time, the company locates the overall solution provider of optical devices, which belongs to the upstream supplier of the optical module industry. There is a great uncertainty about the amount of the matching optical devices provided by the company for different optical module customers' 800G products and the impact of this part of the order on the company's sales revenue and profits.