每经AI快讯，有投资者在投资者互动平台提问：星际荣耀双曲线三号火箭发射燃料是使用贵公司生产 的液氧甲烷吗？公司与星际荣耀有无合作关系？ 中科环保（301175.SZ）12月29日在投资者互动平台表示，星际荣耀双曲线三号火箭发射所使用的液氧 甲烷不是由本公司供应的。在公司业务层面，2025年上半年，中科环保控股公司绵阳中科与四川星际荣 耀航天动力有限责任公司达成合作意向，并签署了《合作框架协议》。根据协议约定，绵阳中科将为星 际荣耀提供绿色甲烷、绿色电能、绿色热能、中水以及除盐水等清洁能源，为星际荣耀的航天动力生产 提供全链条的低碳化支持。此次合作成功为公司的绿色能源综合利用开辟了商业航天领域的应用落地场 景，为公司稳步推进"双碳"战略、拓展绿色能源在高端制造领域的示范应用筑牢了基础。 （文章来源：每日经济新闻） ...

Group 1: Commercial Aerospace - The Long March 12甲 rocket successfully completed its maiden flight on December 23, achieving its second-stage orbit insertion goal, although the first-stage recovery did not meet expectations. This event highlights the importance of commercial aerospace development [3][5]. - The successful verification of the liquid oxygen-methane technology route is significant, as this fuel is considered a "clean gasoline" for rockets, allowing for carbon-free and reusable applications, which could facilitate future missions to Mars [5]. - The collaboration between state-owned enterprises and private companies is enhancing the aerospace industry, with the Aerospace Eight Institute providing a framework and private firms supplying core engines, thus activating the entire industry chain [5]. Group 2: Market Indices - Despite over 3,800 stocks declining in the market, the indices managed to close slightly positive, indicating a divergence where the index appears strong while individual stocks are underperforming [6]. - The market is currently fluctuating around the 5-day moving average, with increasing short-term divergence, suggesting a cautious approach is warranted as investors await clearer direction [7]. Group 3: Macro and Fixed Income - The 30-year government bond futures surged by 0.89%, reaching nearly 113, driven by a favorable liquidity environment despite the central bank's net withdrawal of funds. This has attracted institutional investors, leading to a drop in the yield of ultra-long bonds to 2.2% [7][8]. - The U.S. GDP for the third quarter grew at an annualized rate of 4.3%, significantly exceeding expectations, primarily due to strong consumer spending, although core PCE inflation rose to 2.9%, dampening interest rate cut expectations [8]. - The Chinese yuan strengthened, breaking the 7.05 mark against the dollar, reaching a 14-month high, with a year-to-date appreciation of 3%, making Chinese assets attractive to foreign investors amid global market pressures [8].