近日，《证券日报》记者实地走进中密控股进行深度调研，探寻这家"隐形冠军"从解决重大装备机械密 封难题到逐鹿国内外市场的突围之路。 借力资本市场发展壮大 中密控股的诞生，源于上世纪70年代中国工业发展的迫切需求。彼时，国内石化等行业大量引进国外设 备，核心机械密封件需定期更换，但在外汇短缺背景下，进口密封件价格高昂且面临"卡脖子"困境。 为破解这一难题，四川省机械研究设计院组建了专业密封研究室，这便是中密控股的前身。"成立之初 的使命就是让中国工业可以不再依赖进口机械密封件。"中密控股董事会秘书沈小华在接受《证券日 报》记者采访时表示。 从研究室到产业化企业，中密控股的转型绝非一蹴而就。成立初期，该公司主要以研发设计为核心；上 世纪90年代开始逐步进行产业化探索；2010年增资扩股引入员工持股后，公司进入快速发展期。这一跨 越式发展，离不开高素质创始团队的支撑。 在石油化工、核电等国民经济核心领域，机械密封件虽属"微小部件"，却承载着保障设备安全运行 的"关键使命"，一旦失效可能引发爆炸等重大安全事故。 面对全球机械密封行业被海外巨头垄断70%以上市场份额的局面，一家1978年诞生的四川企业，凭借四 十余年坚守 ...

Group 1: Company Involvement in Projects - The company has products applied in major hydropower projects, such as the Baihetan and Wudongde hydropower stations [2][3] - The company is actively monitoring the Yarlung Tsangpo River downstream hydropower project, which has uncertain demand and order volume for the company’s products [3] Group 2: Market Trends and Product Demand - The frequency of seal replacements has not significantly decreased despite economic pressures; however, some clients have shown a slight increase in repair over replacement [3][4] - The value of sealing products is low in the total investment of projects, but timely replacement is crucial for the stable operation of equipment [3] Group 3: Quality and Lifespan of Sealing Products - As the petrochemical industry advances, the quality requirements for sealing products are increasing due to longer maintenance cycles [4] - The average lifespan of sealing products is gradually increasing, but this will have a slow impact on the replacement cycle in the existing market [5]