[Yissiwei: Plans to invest 10 million yuan in capital increase for JiKe Optocore to lay out the optical chip field] On November 6, Yisiwei (688816.SH) announced that the company plans to use its own funds of 10 million yuan to subscribe for the new registered capital of Suzhou JiKe OptoNuclear Technology Co., Ltd. After the transaction is completed, it will hold 0.8124% of the equity of JiKe Optocore. Because the company's actual controller Guo Yin holds 1.3351% of the equity of Jiecheng Optical Core, this transaction constitutes a related transaction. Extreme Optical Core is mainly engaged in chip-level high-speed optoelectronic modulators based on thin film lithium niobate, which belongs to the cutting-edge technology direction of optical chips. This investment will help the company obtain investment returns and expand its industrial layout, and will not cause changes in the scope of consolidated statements.