Core Viewpoint - Sifangda (300179.SZ) highlights the advantages of diamond materials, including wide bandgap, high breakdown field strength, and high thermal conductivity, making them suitable for various applications in optical windows, chip heat sinks, semiconductors, and power devices [1] Company Summary - The company has developed the capability for mass production of large-size (inch-level) diamond substrates and films [1] - The market prospects for the company's products are dependent on industry development and market conditions [1] - The company will continue to monitor market opportunities in the diamond material sector [1]