科创债ETF国泰（551880）连续3日净流入近1亿元，科创债凸显独特投资价值

Group 1 - The core viewpoint of the article emphasizes the unique investment value of Sci-tech bonds, highlighting their structured issuance requirements and diverse credit enhancement methods [1] - Sci-tech bonds require issuers to meet R&D investment or patent criteria for exchange-listed companies, while interbank entities must hold a Sci-tech title [1] - Credit enhancement methods include traditional collateral, central-local cooperation models, and Credit Risk Mitigation Warrants (CRMW), which help reduce financing costs for private Sci-tech enterprises [1] Group 2 - The Sci-tech bond ETF (551880) is positioned as a quality investment choice, balancing risk and return by leveraging high-grade credit bonds and benefiting from ongoing policy support in the technology innovation sector [1] - The article suggests that the ETF can withstand short-term fluctuations in the bond market while providing investors with long-term growth opportunities in the technology innovation field [1]