Zheng Quan Ri Bao Wang·2026-02-02 09:11Group 1: Market Performance - Huanghe Xuanfeng (600172) experienced a trading limit increase, with several other stocks in the superhard materials sector, such as Guojijinggong (002046) and Sifangda (300179), also rising [1] - The diamond market has seen a price increase since the third quarter of last year, attributed to the recovery of the cultivated diamond market [1] Group 2: Technological Advancements - Xi'an University of Electronic Science and Technology and the National Space Science Center of the Chinese Academy of Sciences have developed a high-performance single crystal diamond radiation detector, enhancing reliability and performance in deep space environments [1] - Huanghe Xuanfeng has successfully developed the largest 8-inch heat sink that can be mass-produced in China, marking a significant milestone in the commercialization of functional diamonds [1] Group 3: Industry Trends - The superhard materials industry, particularly synthetic diamonds and cubic boron nitride, is transitioning from "industrial teeth" to "semiconductor new stars," driven by demand from semiconductor localization, renewable energy, and high-end manufacturing upgrades [2] - Companies are actively investing in the sector, with Huifeng Diamond announcing a 30.62 million yuan investment in Shenzhen Shenjihongtu Venture Capital Partnership to enhance its strategic layout in high thermal conductivity diamond metal composite materials [2] Group 4: Company Developments - Guojijinggong has successfully overcome key technologies in the chemical vapor deposition method (MPCVD) for diamond synthesis, achieving breakthroughs from R&D to commercial application in defense and military sectors [3] - The company expects to generate over 10 million yuan in revenue from heat sinks and optical window products by 2025, with ongoing tests in the civilian sector [3]