The optical chip concept fluctuated and rebounded in early trading. The Yunnan germanium industry rose and stopped, while Guangzhi Technology, Electric Cosimetry, Hengdongguang, Feikai Materials, and Yuanjie Technology followed suit. According to the news, Yunnan Germanium announced that the subsidiary signed a long-term supply agreement with AOI for a total of 900,000 indium phosphide substrates, with a contract amount of about 1,305 billion yuan for 2027.

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