Material

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         2021/06/07 What is an audio accessory? An overview and detailed explanation of products
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         2021/05/24 We were featured on the cover of the journal Diamond and Related Materials.
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         2021/05/07 Diamond and Microridge Stylus
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         2021/05/06 What are Diamonds？: Synthesis of Diamonds
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          What are Diamonds?
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         2021/04/26 The Feature of Jewelry
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          Crystal of Jewel
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         2021/04/20 Novel Diamond Semiconductors Operate at Highest Power Ever
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         2021/04/14 Production of Sapphire
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          What is the Sapphire?