[Shengyi Electronics: 1.6T switch supporting products have entered the small-batch mass production stage] On September 16, Shengyi Electronics (688183.SH) released an investor relations activity record announcement. The company's 800G optical module PCB has been mass-produced, and the shipment scale has gradually increased; the 1.6T optical module PCB is in the proofing and testing stage; 1.6T switch supporting products have entered the small-batch mass production stage. Optical modules are one of the areas that the company will focus on and promote in the future. The company will continue to deepen the development of the high-end market, promote the certification and development of new customers, and steadily increase the volume of high-end products. In the satellite communications sector, the company has completed product development and implemented small batch supply of ground equipment.