国机精工：公司的超硬材料业务以高端为主

Core Viewpoint - The company, Guojijiangong, emphasizes that its superhard materials business is primarily high-end, characterized by significant technical barriers and a sustainable competitive edge [2] Summary by Categories Company Overview - Guojijiangong announced on December 1 that its superhard materials business focuses on high-end products, indicating a strong market position [2] Competitive Landscape - The company asserts that the technical barriers in its superhard materials business contribute to its competitive strength, suggesting a robust and sustainable business model [2]