Market Performance - On August 13, the oil service engineering sector rose by 0.75% compared to the previous trading day, with CNOOC Development leading the gains [1] - The Shanghai Composite Index closed at 3683.46, up 0.48%, while the Shenzhen Component Index closed at 11551.36, up 1.76% [1] Individual Stock Performance - CNOOC Development (600968) closed at 4.15, with a gain of 3.23% and a trading volume of 1.7567 million shares, amounting to a transaction value of 730 million yuan [1] - Other notable stocks included PetroChina Oilfield Services (600871) with a closing price of 2.05, up 0.99%, and Zhongman Petroleum (619609) at 19.79, up 0.61% [1] - Conversely, stocks like Renji Co. (002629) and Zhongyou Engineering (600339) saw slight declines of 0.27% and 0.28%, respectively [1] Capital Flow Analysis - The oil service engineering sector experienced a net outflow of 122 million yuan from institutional investors, while retail investors saw a net inflow of 207 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors increased their positions [2] Detailed Capital Flow for Key Stocks - CNOOC Development had a net inflow of 49.2 million yuan from institutional investors, while retail investors contributed a net inflow of 6.55 million yuan [3] - In contrast, stocks like Renji Co. and Zhongyou Engineering faced net outflows from both institutional and retail investors, indicating weaker demand [3] - The data suggests that while some stocks are attracting retail interest, institutional investors are more cautious, leading to varied performance across the sector [3]

证券之星消息，8月12日油服工程板块较上一交易日上涨0.67%，科力股份领涨。当日上证指数报收于 3665.92，上涨0.5%。深证成指报收于11351.63，上涨0.53%。油服工程板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 920088 | 科力股份 | 42.07 | 5.23% | 8.52万 | | 3.51亿 | | 600583 | 海油工程 | 5.72 | 2.69% | 62.46万 | | 3.55亿 | | 603609 | 中曼石油 | 19.67 | 2.45% | 15.28万 | | 2.99亿 | | 300191 | 潜能恒信 | 20.65 | 1.08% | 9.18万 | | 1.89亿 | | 600339 | 中油工程 | 3.58 | 0.85% | 45.77万 | | 1.63亿 | | 601808 | 当思想史 | 14.01 | 0.79% | 11.92万 | | 1.67亿 | | 00220 ...

Group 1 - The combustible ice concept index declined by 0.10% as of the market close on August 11, ranking among the top decliners in the concept sector [1] - Within the combustible ice sector, major decliners included Guangzhou Development, Nanjing Steel, and Sinopec, while notable gainers were Deshi Co., Haimer Technology, and Petrochemical Machinery, with increases of 1.71%, 0.94%, and 0.86% respectively [1] - The net inflow of main funds into the combustible ice concept was 2.42 million yuan, with five stocks experiencing net outflows, led by Sinopec with a net outflow of 24.15 million yuan [2] Group 2 - The top gainers in the market included PEEK materials with a rise of 5.99%, MicroLED concept at 3.32%, and Tianjin Free Trade Zone at 3.27%, while the combustible ice concept was down by 0.10% [2] - The main funds' net inflow leaders included Guangzhou Development, Petrochemical Oil Service, and Petrochemical Machinery, with net inflows of 39.55 million yuan, 11.29 million yuan, and 9.63 million yuan respectively [2] - The outflow list for the combustible ice concept included Sinopec, with a decline of 1.05% and a turnover rate of 0.13%, followed by other companies like China International Marine Containers and Potential Energy Holdings [2]

Market Overview - On August 7, the oil service engineering sector rose by 0.05% compared to the previous trading day, with Qianeng Hengxin leading the gains [1] - The Shanghai Composite Index closed at 3639.67, up 0.16%, while the Shenzhen Component Index closed at 11157.94, down 0.18% [1] Stock Performance - Qianeng Hengxin (300191) closed at 20.44, up 2.30% with a trading volume of 109,300 shares and a turnover of 221 million yuan [1] - Tongyuan Petroleum (300164) closed at 5.41, up 1.88% with a trading volume of 790,400 shares and a turnover of 424 million yuan [1] - Other notable stocks include: - Zhunyou Co. (002207) at 7.49, up 1.49% [1] - Beiken Energy (002828) at 10.39, up 1.07% [1] - Keli Co. (920088) at 37.48, up 0.62% [1] Capital Flow - The oil service engineering sector saw a net inflow of 9.91 million yuan from institutional investors, while retail investors experienced a net outflow of 1.45 million yuan [2] - The capital flow for individual stocks shows: - Tongyuan Petroleum had a net inflow of 41.93 million yuan from institutional investors [3] - Zhunyou Co. had a net inflow of 16.39 million yuan from institutional investors [3] - Keli Co. had a net inflow of 14.10 million yuan from institutional investors [3]

Market Performance - The oil service engineering sector rose by 0.6% on August 6, with CNOOC Services leading the gains [1] - The Shanghai Composite Index closed at 3633.99, up 0.45%, while the Shenzhen Component Index closed at 11177.78, up 0.64% [1] Individual Stock Performance - Notable gainers included: - CNOOC Services (601808) at 14.04, up 1.23% with a trading volume of 80,500 shares and a turnover of 112 million yuan [1] - Zhongman Petroleum (603619) at 19.32, up 1.20% with a trading volume of 81,000 shares and a turnover of 156 million yuan [1] - Huibo Yin (002554) at 2.91, up 1.04% with a trading volume of 280,000 shares and a turnover of 81.09 million yuan [1] Capital Flow Analysis - The oil service engineering sector experienced a net outflow of 58.64 million yuan from institutional investors and 28.80 million yuan from retail investors, while retail investors saw a net inflow of 87.44 million yuan [2] - Individual stock capital flows showed: - Zhongyou Engineering (600339) had a net inflow of 6.99 million yuan from institutional investors [3] - Huibo Yin (002554) had a net inflow of 3.08 million yuan from retail investors [3] - CNOOC Services (601808) saw a net outflow of 6.14 million yuan from institutional investors [3]

Core Viewpoint - Potential Energy Technology Co., Ltd. announced the approval of several proposals at its second extraordinary general meeting of shareholders in 2025, including the proposal regarding the conditions for a non-public offering of shares [2] Group 1 - The company held its second extraordinary general meeting of shareholders on August 5 [2] - The meeting approved the proposal for the company to meet the conditions for a non-public offering of shares [2]

北京市建国门北大街 8 号华润大厦 20 层 邮编：100005 电话：(86-10) 85191300 传真：(86-10) 85191350 北京市君合律师事务所 关于潜能恒信能源技术股份有限公司 2025 年第二次临时股东大会的法律意见书 致：潜能恒信能源技术股份有限公司 北京市君合律师事务所（以下简称"本所"）受潜能恒信能源技术股份有限 公司（以下简称"公司"）的委托，根据《中华人民共和国公司法》（以下简称《公 司法》）、《上市公司股东会规则》（以下简称《股东会规则》）等法律、法规、规 章及《潜能恒信能源技术股份有限公司章程》（以下简称《公司章程》）、《潜能恒 信能源技术股份有限公司股东大会议事规则》的有关规定，就公司 2025 年第二 次临时股东大会（以下简称"本次股东大会"）有关事宜出具本法律意见书。 本法律意见书仅就本次股东大会的召集和召开程序、出席本次股东大会人员 的资格、召集人资格、会议表决程序是否符合中国有关法律、法规及《公司章程》 的规定以及表决结果是否合法有效发表意见，并不对本次股东大会所审议的议案 内容以及该等议案所表述的相关事实或数据的真实性、准确性或合法性发表意 见。 为出具本法 ...

证券之星消息，8月5日油服工程板块较上一交易日上涨0.78%，准油股份领涨。当日上证指数报收于 3617.6，上涨0.96%。深证成指报收于11106.96，上涨0.59%。油服工程板块个股涨跌见下表： 从资金流向上来看，当日油服工程板块主力资金净流出3839.84万元，游资资金净流出4082.09万元，散户 资金净流入7921.92万元。油服工程板块个股资金流向见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 002207 | 准油股份 | 7.44 | 3.91% | 28.51万 | 2.10亿 | | 002629 | 仁智股份 | 7.77 | 3.05% | 16.25万 | 1.24亿 | | 600339 | 中油工程 | 3.46 | 1.47% | 35.19万 | 1.21亿 | | 600583 | 海油工程 | 5.57 | 1.46% | 29.83万 1 | 1.66亿 | | 300164 | 通源石油 | 5.31 | 1.34% | 53.16万 | ...

证券之星消息，8月4日油服工程板块较上一交易日上涨0.21%，惠博普领涨。当日上证指数报收于 3583.31，上涨0.66%。深证成指报收于11041.56，上涨0.46%。油服工程板块个股涨跌见下表： | 代码 | 名称 | 主力净流入(元) | 主力净占比 游资净流入(元) | | 游资净占比 散户净流入 (元) | | 散户净占比 | | --- | --- | --- | --- | --- | --- | --- | --- | | 600968 | 海油发展 | 1371.20万 | 12.84% | 155.91万 | 1.46% | -1527.11万 | -14.30% | | 002554 | 惠博音 | 885.55万 | 11.16% | -571.47万 | -7.20% | -314.08万 | -3.96% | | 600871 | 石化油服 | 732.73万 | 5.29% | 207.17万 | 1.50% | -939.90万 | -6.78% | | 600583 海油工程 | | 126.03万 | 0.99% | -251.28万 | -1.98% | 125.25 ...

| 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 动物疫苗 | 2.22 | 中船系 | -2.54 | | DRG/DIP | 1.87 | 兵装重组概念 | -1.90 | | BC电池 | 1.71 | 国产航母 | -1.45 | | 禽流感 | 1.62 | 民爆概念 | -1.19 | | ERP概念 | 1.61 | 可燃冰 | -1.14 | | 医疗废物处理 | 1.61 | 国家大基金持股 | -0.86 | | TOPCON电池 | 1.53 | 足球概念 | -0.78 | | 烟草 | 1.53 | 稀土永磁 | -0.73 | | 医药电商 | 1.51 | 中字头股票 | -0.73 | | MLOps概念 | 1.50 | 共封装光学(CPO) | -0.71 | 截至8月1日收盘，可燃冰概念下跌1.14%，位居概念板块跌幅榜前列，板块内，中国石化、新锦动力、 德石股份等跌幅居前，股价上涨的有3只，涨幅居前的有潜能恒信、广州发展、海默科技等，分别上涨 1.26%、0.63%、0.48%。 资金面上看，今日 ...