智通财经APP获悉，12月19日港股市场，北水成交净买入33.71亿港元，其中港股通(沪)成交净卖出9.27亿港元，港股通(深)成交净 买入42.97亿港元。 | 中芯国际 HK 00981 | 5.42亿 | 2.50亿 | 7.92亿 +2.92亿 | | --- | --- | --- | --- | | 小米集团-W | 4.661乙 | 2.55亿 | 7.21亿 | | HK 01810 | | | +2.11亿 | | 地平线机 ... | 2.58亿 | 2.38亿 | 4.96亿 | | HK 09660 | | | +1985.72万 | | 小鹏汽车-W | 2.55亿 | 1.98亿 | 4.53亿 | | HK 09868 | | | +5696.81万 | 北水净买入最多的个股是腾讯(00700)、阿里巴巴-W(09988)、中国海油(00883)。北水净卖出最多的个股是中国移动(00941)、中芯国 际(00981)、小鹏汽车-W(09868)。 | 股票名称 | 买入额 | 卖出额 | 买卖总额 | | --- | --- | --- | --- | | | | | 净流入 | ...

来源：第一财经 南向资金今日净买入33.71亿港元，腾讯控股、阿里巴巴-W、中国海洋石油净买入额位列前三，分别获 净买入11.17亿港元、10.49亿港元、2.17亿港元。净卖出方面，中国移动、地平线机器人-W、中芯国际 分别遭净卖出10.53亿港元、1.62亿港元、0.78亿港元。 ...

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日油气开采板块主力资金净流出2.68亿元，游资资金净流入2.19亿元，散户资金 净流入4962.78万元。油气开采板块个股资金流向见下表： 证券之星消息，12月19日油气开采板块较上一交易日下跌1.6%，中国海油领跌。当日上证指数报收于 3890.45，上涨0.36%。深证成指报收于13140.22，上涨0.66%。油气开采板块个股涨跌见下表： ...

Core Viewpoint - The development of energy-saving and efficient crude oil distillation technology, specifically the "precise separation of crude oil distillation based on energy conservation," has been recognized as a significant advancement in the refining industry, leading to improved efficiency and reduced energy consumption [1][5]. Group 1: Technological Challenges - The traditional crude oil atmospheric distillation technology is energy-intensive due to high processing volumes and temperatures, with actual flash distillation efficiency being less than 75% [2][3]. - Existing technologies, such as those from Shell and KBC, face common issues of increased energy consumption and reduced quality of wax oil, highlighting the need for innovative solutions [3]. Group 2: Innovative Solutions - A research team has proposed a new mass transfer model and developed several innovative devices, including the NS distillation deep extraction device and high-efficiency composite tower plates, which significantly enhance mass transfer efficiency [4]. - The new technology has improved diesel and wax oil yields by 3% and 4-6%, respectively, while reducing system energy consumption by 20% compared to similar foreign technologies [4]. Group 3: Industrial Application and Impact - The developed technology has been implemented in 43 crude oil distillation systems across major Chinese oil companies, demonstrating significant energy savings and efficiency improvements [6]. - Over the past three years, the application of this technology in three companies has resulted in an additional sales revenue of 3.37 billion yuan and tax contributions of 850 million yuan [7].

中国海洋石油有限公司是一家主要业务为勘探、开发、生产及销售原油和天然气的投资控股公司。该公 司通过三个部门开展业务。勘探及生产（E&P）部门主要经营常规油气业务，页岩油气业务，油砂业务 和其他非常规油气业务。贸易业务部门主要从事原油和天然气的进出口贸易。公司业务部门主要从事技 术研发、资产管理、产品销售以及其它业务。该公司在中国国内和海外市场开展业务，业务遍及亚洲、 非洲、北美洲、南美洲、大洋洲和欧洲。 证券之星消息，12月18日南向资金减持1644.25万股中国海洋石油（00883.HK）。近5个交易日中，获南 向资金减持的有5天，累计净减持7481.65万股。近20个交易日中，获南向资金减持的有10天，累计净减 持5412.13万股。截至目前，南向资金持有中国海洋石油（00883.HK）102.09亿股，占公司已发行普通 股的21.47%。 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 ...

今日上榜个股中，小米集团-W、长飞光纤光缆、腾讯控股等8只股同时上榜港股通（深）、港股通 （沪）成交活跃股， 小米集团-W合计成交额32.50亿港元，成交净买入9.04亿港元，长飞光纤光缆合计 成交额28.51亿港元，成交净买入3.70亿港元。盈富基金合计成交额16.28亿港元，成交净卖出14.22亿港 元，中国移动合计成交额24.67亿港元，成交净卖出12.94亿港元。 从连续性进行统计， 有3只股获南向资金连续3天以上净买入，连续净买入天数较多的有小米集团-W、 美团-W、腾讯控股，连续净买入天数分别为15天、7天、3天。以其间净买入金额统计，净买入金额最 多的是小米集团-W，合计净买入为147.52亿港元，其次是美团-W合计净买入为59.92亿港元，腾讯控股 合计净买入为7.63亿港元。有2只股获连续净卖出，净卖出金额居前的有中国移动、中国海洋石油等， 合计净卖出金额分别为28.86亿港元、20.91亿港元。（数据宝） 12月18日南向资金成交活跃股 12月18日恒生指数上涨0.12%，南向资金全天合计成交金额为734.95亿港元，其中，买入成交373.76亿 港元，卖出成交361.19亿港元，合计净买 ...

Group 1 - The Hang Seng Index rose by 0.12% on December 18, closing at 25,498.13 points, with a net inflow of HKD 1.257 billion through the southbound trading channel [1] - The total trading volume for the southbound trading on December 18 was HKD 73.495 billion, with a net buying of HKD 1.257 billion [1] - In the Shanghai-Hong Kong Stock Connect, the trading volume was HKD 41.595 billion with a net selling of HKD 1.095 billion, while in the Shenzhen-Hong Kong Stock Connect, the trading volume was HKD 31.899 billion with a net buying of HKD 2.353 billion [1] Group 2 - The most actively traded stock in the Shanghai-Hong Kong Stock Connect was Alibaba-W, with a trading volume of HKD 25.332 billion, followed by Xiaomi Group-W and Changfei Optical Fiber with trading volumes of HKD 20.444 billion and HKD 17.850 billion, respectively [1] - In terms of net buying, Xiaomi Group-W led with a net inflow of HKD 3.49 billion, despite its closing price dropping by 2.47% [1] - The stock with the highest net selling was the Tracker Fund of Hong Kong, with a net outflow of HKD 1.022 billion, while its closing price increased by 0.16% [1] Group 3 - In the Shenzhen-Hong Kong Stock Connect, Alibaba-W also topped the trading volume with HKD 16.861 billion, followed by CICC and Xiaomi Group-W with HKD 12.220 billion and HKD 12.060 billion, respectively [2] - Xiaomi Group-W recorded the highest net buying in the Shenzhen-Hong Kong Stock Connect with HKD 5.55 billion, while its closing price also fell by 2.47% [2] - The stock with the largest net selling in this connect was China Mobile, with a net outflow of HKD 4.81 billion, and its closing price decreased by 0.47% [2]

Group 1 - On December 18, southbound funds net bought Hong Kong stocks worth 1.257 billion HKD, with significant purchases in Xiaomi Group (903 million HKD) and Meituan (434 million HKD) [1] - Xiaomi Group has seen continuous net buying for 15 days, totaling 14.75053 billion HKD, while Meituan has experienced net buying for 7 days, totaling 5.99241 billion HKD [1] - Major net selling was observed in the Tracker Fund of Hong Kong (14.22 billion HKD) and China Mobile (12.94 billion HKD) [1] Group 2 - Xiaomi Group announced a share buyback of 1.51 million HKD for 3.75 million shares at a price range of 40.12-40.24 HKD per share [3] - Meituan's LongCat team launched an open-source SOTA-level virtual human video generation model, enhancing capabilities in video generation and stability [3] - Tencent Holdings repurchased shares worth approximately 640 million HKD, and Goldman Sachs maintains a "buy" rating with a target price of 770 HKD, citing Tencent Cloud's expansion into key international markets [3]

| 公司名称 | 成交金额 | 净买入额 | | --- | --- | --- | | 阿里巴巴-W(09988) | 25.32 亿元 | +8733.76 万元 | | 小米集团-W(01810) | 20.44 亿元 | +3.49 亿元 | | 长飞光纤光缆(06869) | 17.85 亿元 | +2.51 亿元 | | 中国移动(00941) | 14.10 亿元 | -8.13 亿元 | | 腾讯控股(00700) | 13.48 亿元 | -2.61 亿元 | | 中国海洋石油(00883) | 13.09 亿元 | -2.25 亿元 | | 中芯国际(00981) | 11.32 亿元 | -3627.61 万元 | | 盈富基金(02800) | 10.27 亿元 | -10.22 亿元 | | 中金公司(03908) | 9.47 亿元 | -1033.08 万元 | | 农业银行(01288) | 6.37 亿元 | +2.12 亿元 | 深港通（南向）十大活跃成交公司 智通财经APP获悉，2025年12月18日当天，阿里巴巴-W(09988)、小米集团-W(01810)、长飞光纤光 ...

南向资金今日净买入12.57亿港元，小米集团-W、美团-W、长飞光纤光缆净买入额位列前三，分别获净 买入9.04亿港元、4.34亿港元、3.70亿港元。净卖出方面，盈富基金、中国移动、中国海洋石油分别遭 净卖出14.22亿港元、12.94亿港元、2.25亿港元。 (本文来自第一财经) ...