南财智讯12月31日电，中曼石油公告，公司于2025年12月30日召开第四届董事会第十五次会议，审议通 过了《关于使用部分闲置募集资金进行现金管理的议案》。公司将使用最高不超过1.50亿元的暂时闲置 募集资金进行现金管理，投资于安全性高、流动性好、保本型的理财产品，包括但不限于结构性存款、 大额存单、协定存款、通知存款等。本次现金管理事项有效期自董事会审议通过之日起12个月内有效， 资金在额度范围内可滚动使用。公司强调，该事项不会影响募集资金投资项目进度和公司正常生产经 营。 ...

Core Insights - The oil service engineering sector experienced a 0.59% increase on December 30, with Junyou Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3965.12, showing no change, while the Shenzhen Component Index rose by 0.49% to 13604.07 [1] Sector Performance - Junyou Co., Ltd. (002207) closed at 7.69, up 3.22% with a trading volume of 240,600 shares and a transaction value of 182 million yuan [1] - Tongyuan Petroleum (300164) closed at 5.71, up 2.51% with a trading volume of 732,600 shares and a transaction value of 409 million yuan [1] - Zhongman Petroleum (603619) closed at 23.50, up 1.64% with a trading volume of 112,500 shares and a transaction value of 263 million yuan [1] - Other notable performances include Haiyou Development (600968) up 1.58% and Yingtai History (601808) up 0.72% [1] Capital Flow - The oil service engineering sector saw a net outflow of 43.23 million yuan from institutional investors, while retail investors contributed a net inflow of 63.65 million yuan [2] - The main capital inflow was observed in Junyou Co., Ltd. with a net inflow of 13.43 million yuan, while Haiyou Development and Tongyuan Petroleum also saw significant inflows [3] - Conversely, companies like Beiken Energy (002828) and Huibo Yin (002554) experienced notable net outflows from both institutional and retail investors [3]

Group 1 - The core viewpoint of the news is that Zhongman Petroleum (603619) has experienced a decline in both revenue and net profit for the first three quarters of 2025 compared to the previous year [2] - As of December 29, 2025, Zhongman Petroleum's stock closed at 23.12 yuan, with a 1.05% increase and a trading volume of 100,500 hands, resulting in a transaction amount of 233 million yuan [1] - The company reported a main revenue of 2.985 billion yuan for the first three quarters of 2025, a year-on-year decrease of 2.18%, and a net profit attributable to shareholders of 453 million yuan, down 32.18% year-on-year [2] Group 2 - In the third quarter of 2025, Zhongman Petroleum's single-quarter main revenue was 1.003 billion yuan, a decrease of 11.44% year-on-year, and the net profit attributable to shareholders was 153 million yuan, down 36.38% year-on-year [2] - The company's debt ratio stands at 63.51%, with financial expenses amounting to 251 million yuan and a gross profit margin of 44.6% [2] - Over the last 90 days, three institutions have given buy ratings for Zhongman Petroleum [3]

Market Overview - The oil service engineering sector experienced a slight decline of 0.08% on December 29, with Huibo leading the drop [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] Stock Performance - Notable stock performances in the oil service engineering sector included: - Zhongman Petroleum (603619) closed at 23.12, up 1.05% with a trading volume of 100,500 shares and a turnover of 233 million yuan [1] - Bomaike (603727) closed at 14.04, up 0.79% with a trading volume of 18,500 shares [1] - Tongyuan Petroleum (300164) closed at 5.57, up 0.54% with a trading volume of 741,800 shares and a turnover of 414 million yuan [1] - Huibo (002554) closed at 3.29, down 2.95% with a trading volume of 311,500 shares and a turnover of 103 million yuan [2] Capital Flow - The oil service engineering sector saw a net inflow of 4.147 million yuan from institutional investors, while retail investors experienced a net outflow of 1.2712 million yuan [2][3] - The capital flow for specific stocks included: - Zhongman Petroleum had a net inflow of 27.1129 million yuan from institutional investors, but a net outflow of 34.9077 million yuan from retail investors [3] - Tongyuan Petroleum had a net inflow of 25.8586 million yuan from institutional investors, with a net outflow of 44.3007 million yuan from retail investors [3] - Huibo experienced a significant net outflow of 30.448 million yuan from retail investors [3]

证券之星消息，12月26日油服工程板块较上一交易日上涨0.4%，中曼石油领涨。当日上证指数报收于 3963.68，上涨0.1%。深证成指报收于13603.89，上涨0.54%。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5895.85万元，游资资金净流出3879.9万元，散户 资金净流入9775.75万元。油服工程板块个股资金流向见下表： 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。 ...

Group 1 - The company Zhongman Petroleum announced the appointment of a new audit team for its 2025 financial statements and internal control audit [2] - The new project partner is Liu Qiong, with Song Long as the signing certified public accountant and Yang Duanping as the quality control reviewer [2] - This change in the audit team is due to internal adjustments within the auditing firm Zhonghui [2]

Core Insights - The oil service engineering sector experienced a 0.5% increase on December 24, with Huibo Po leading the gains [1] - The Shanghai Composite Index closed at 3940.95, up 0.53%, while the Shenzhen Component Index closed at 13486.42, up 0.88% [1] Sector Performance - The following companies in the oil service engineering sector showed notable price changes: - Huibo Po (002554) closed at 3.33, up 2.46% with a trading volume of 553,500 shares and a transaction value of 181 million yuan [1] - China Oil Engineering (600339) closed at 3.37, up 1.51% with a trading volume of 230,100 shares and a transaction value of 77.02 million yuan [1] - Beiken Energy (002828) closed at 11.06, up 1.37% with a trading volume of 74,800 shares and a transaction value of 82.43 million yuan [1] - Other companies such as Zhonghai Aofeng (601808) and Bomai Ke (603727) also saw slight increases in their stock prices [1] Capital Flow - The oil service engineering sector saw a net outflow of 32.18 million yuan from institutional investors and 32.67 million yuan from retail investors, while there was a net inflow of 64.85 million yuan from individual investors [2] - The detailed capital flow for specific companies indicates varied investor behavior, with some companies experiencing significant net outflows from institutional and retail investors [3]

证券代码：603619 证券简称：中曼石油 公告编号：2025-076 中曼石油天然气集团股份有限公司 关于变更签字会计师及质量控制复核人的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈 述或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 中曼石油天然气集团股份有限公司（以下简称"公司"）已于 2025 年 4 月 23 日召开第四届董事会第八次会议，于 2025 年 6 月 5 日召开 2024 年年度股东 大会，审议通过了《关于续聘中汇会计师事务所（特殊普通合伙）担任公司 2025 年度审计机构的议案》，同意公司续聘中汇会计师事务所（特殊普通合伙）（以 下简称"中汇"）为公司 2025 年度财务报表和内部控制审计机构，负责公司 2025 年度的审计工作，具体内容详见公司于 2025 年 4 月 25 日披露的《中曼石油天然 气集团股份有限公司续聘会计师事务所的公告》（公告编号：2025-017）。 公司于 2025 年 12 月 24 日收到中汇出具的《关于变更签字会计师及质量控 制复核人的告知函》，现将有关情况公告如下： 一、本次签字会计师及质量控制复核人变更情况 ...

Shareholder Reductions - Zhang Fan from 壹网壹创 plans to reduce his holdings by no more than 2.5% [1] - Yan Jun, honorary chairman and chief scientist of 航宇微, intends to reduce his holdings by no more than 1.66% [1] - 长安信托·中保投1号信托, a shareholder of 紫光股份, plans to reduce its holdings by no more than 1% [1] - Jiang Shuguang, deputy general manager of 崇达技术, plans to reduce his holdings by no more than 200,000 shares [1] - 热景生物 intends to sell back repurchased shares not exceeding 1.8542 million shares [1] - Yuan Meihe, a shareholder of 欧科亿, plans to reduce his holdings by no more than 1.89% [1] - Zhu Fengxue and his concerted actions from 中曼石油 will collectively reduce their holdings by 0.35% [1] - Tokyo Guorui, a shareholder of 燕东微, has already reduced its holdings by 0.88% [1] - Huaguang New Materials' shareholder, Huan Guang Investment, has cumulatively reduced its holdings by 1.60% [1] - Jiayuan Group has reduced its holdings in 吉祥航空 by 8.6065 million shares [1] - Longgao Electric New from 富特科技 has cumulatively reduced its holdings by 1.00% [1] - Actual controller Shi Huiqing from 可川科技 has reduced his holdings by 1.05% [1] - Lu Xinchun, a shareholder of 华海清科, has reduced his holdings by 3.3156 million shares [1] Other Corporate Actions - 建设机械 has terminated the issuance of shares to specific objects [1] - 蒋伟, the controlling shareholder of 吴海生科, has been fined 14.6292 million yuan by the China Securities Regulatory Commission [1]

Core Viewpoint - The announcement from Zhongman Petroleum indicates a significant reduction in shareholding by major shareholders, which may impact the company's stock performance and investor sentiment [2] Group 1: Shareholding Changes - Zhongman Petroleum announced that major shareholders Zhu Fengxue and Shanghai Gongrong Investment Center reduced their holdings by a total of 1,626,600 shares, representing 0.35% of the company's total share capital [2] - Zhu Fengxue sold 185,800 shares, accounting for 0.04% of the total share capital, while Gongrong Investment sold 1,440,800 shares, which is 0.31% of the total share capital [2] - Following this reduction, the combined shareholding of Zhu Fengxue and Gongrong Investment decreased from 33,301,339 shares to 31,674,739 shares, with their total holding percentage dropping from 7.21% to 6.86% [2]