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Kaide Quartz: The company’s products are mainly used in Tongmei Crystal’s production lines, such as those for indium phosphide and gallium arsenide, etc.

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Mars Finance News, Kede Quartz released investor relations activity records. The company's compound semiconductor clients are mainly Tongmei Crystal, and the company's products are primarily supplied to Tongmei Crystal's production lines for indium phosphide, gallium arsenide, etc. Tongmei Crystal's indium phosphide substrate products are mainly used to produce lasers and detector chips in optical modules, as well as laser devices, wearable devices, and other health monitoring device products; gallium arsenide substrate products are mainly used for RF device products, laser devices, and sensors, commonly used in high-brightness light-emitting diode (HBLED) device products for backlight sources of mobile phones and liquid crystal display (LCD) televisions, as well as light-emitting diode device products for automotive panels, signage, displays, and lighting application scenarios. According to the disclosed "2025 Annual Report", in 2025, the company achieved revenue of 54.7306 million yuan with Tongmei Crystal, representing a year-on-year increase of 25.65%. (Cailianshe)
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