Market Overview - On August 29, the oil service engineering sector declined by 1.11%, with Haiyou Development leading the drop [1] - The Shanghai Composite Index closed at 3857.93, up 0.37%, while the Shenzhen Component Index closed at 12696.15, up 0.99% [1] Individual Stock Performance - Among the oil service engineering stocks, Zhongman Petroleum (603619) rose by 1.98% to a closing price of 19.57, with a trading volume of 174,400 shares and a transaction value of 340 million yuan [1] - Haiyou Development (600968) fell by 2.44% to a closing price of 66, with a trading volume of 927,500 shares and a transaction value of 374 million yuan [2] - Other notable performers include Renji Co. (002629) with a 1.48% increase and a closing price of 6.85, and Qianeng Hengxin (300191) with a 1.28% increase and a closing price of 20.56 [1][2] Capital Flow Analysis - The oil service engineering sector experienced a net outflow of 165 million yuan from institutional investors, while retail investors saw a net inflow of 80.99 million yuan [2] - The capital flow for individual stocks indicates that Zhongman Petroleum had a net inflow of 56.2 million yuan from institutional investors, while Haiyou Development had a net outflow of 9.35 million yuan [3]

Group 1 - The core viewpoint of the news is that Zhejiang Renzhi Co., Ltd. (仁智股份) has shown a decline in stock price and mixed financial performance in the latest quarter [1] - As of August 25, 2025, the stock price of Renzhi Co. closed at 6.96 yuan, down 2.93%, with a turnover rate of 5.54% and a trading volume of 197,200 hands, amounting to 138 million yuan [1] - The net outflow of main funds today was 31.41 million yuan, accounting for 22.69% of the transaction amount, with significant outflows from large orders [1] Group 2 - For the first quarter of 2025, Renzhi Co. reported total operating revenue of 36.68 million yuan, a slight decrease of 0.01% year-on-year, while net profit attributable to shareholders was 2.88 million yuan, an increase of 63.00% [1] - The company has a current ratio of 1.114, a quick ratio of 1.100, and a debt-to-asset ratio of 78.04% [1] - Renzhi Co. was established in 2006 and is primarily engaged in professional technical services, with a registered capital of 436.648 million yuan [1][2]

Market Performance - The oil service engineering sector increased by 0.86% on August 25, with Zhongman Petroleum leading the gains [1] - The Shanghai Composite Index closed at 3883.56, up 1.51%, while the Shenzhen Component Index closed at 12441.07, up 2.26% [1] Stock Performance - Zhongman Petroleum (60361a) closed at 20.79, up 2.26% with a trading volume of 181,200 shares and a transaction value of 372 million [1] - Tongyuan Petroleum (300164) closed at 5.47, up 2.24% with a trading volume of 998,000 shares and a transaction value of 544 million [1] - Other notable stocks include Yingsi Thought (601808) at 14.62 (+1.39%), Huibo Yin (002554) at 3.01 (+1.01%), and PetroChina Engineering (600339) at 3.63 (+0.83%) [1] Capital Flow - The oil service engineering sector experienced a net outflow of 139 million from institutional investors, while retail investors saw a net inflow of 152 million [2][3] - The detailed capital flow indicates that major stocks like Haiyou Development (600968) had a net inflow of 54.61 million from institutional investors, while Zhongman Petroleum (60361a) had a net inflow of 9.93 million [3]

Group 1: Chemical Sector Performance - The chemical index experienced a significant increase, with the chemical raw materials index rising by 2.81%, the chemical machinery index by 1.53%, the chemical pharmaceuticals index by 3.70%, and the pesticide and fertilizer index by 1.03% [1] - In contrast, the oil index saw a decline across all categories, with the oil processing index down by 1.10%, the oil extraction index down by 1.22%, and the oil trading index down by 1.02% [1] Group 2: Oil Prices - International crude oil prices showed weakness, with the WTI crude oil futures settling at $62.80 per barrel, a decrease of 1.69% from August 8, and Brent crude oil futures settling at $65.85 per barrel, down by 1.11% [1] Group 3: Petrochemical Product Price Changes - The top five petrochemical products with price increases included liquid chlorine up by 29.05%, battery-grade lithium carbonate up by 18.57%, industrial-grade lithium carbonate up by 14.53%, folic acid up by 6.38%, and niacinamide up by 5.00% [1] - Conversely, the top five petrochemical products with price declines included butanone down by 8.91%, organic silicon DMC down by 8%, organic silicon D4 down by 7.69%, raw rubber down by 7.41%, and synthetic ammonia down by 6.95% [1] Group 4: Capital Market Performance of Chemical Companies - The top five listed chemical companies with the highest stock price increases were Shuangyi Technology up by 41.17%, Kaimete Gas up by 34.73%, Honghe Technology up by 33.09%, Weike Technology up by 31.54%, and Xinhang New Materials up by 31.43% [2] - The bottom five listed chemical companies with the largest stock price declines were Zhizheng Co. down by 13.04%, Donghua Energy down by 11.49%, Renzhi Co. down by 10%, Fengshan Group down by 8.51%, and Hehua Co. down by 8.20% [2]

证券之星消息，8月21日油服工程板块较上一交易日上涨1.53%，准油股份领涨。当日上证指数报收于 3771.1，上涨0.13%。深证成指报收于11919.76，下跌0.06%。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入2.18亿元，游资资金净流出2526.82万元，散户资 金净流出1.93亿元。油服工程板块个股资金流向见下表： | 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 | | --- | --- | --- | --- | --- | --- | --- | --- | | 002207 | 准油股份 | 1.19/7 ﺔ | 28.58% | -4378.99万 | -10.50% | -7542.85万 | -18.08% | | 60361a | 中曼石油 | 4037.03万 | 7.78% | -1117.59万 | -2.15% | -2919.44万 | -5.63% | | 300191 | 潜能恒信 | 3541.26万 | 6.80% | -286.08万 | ...

Group 1: Chemical Sector Performance - The chemical index experienced an overall increase, with the chemical raw materials index rising by 2.81%, the chemical machinery index by 1.53%, the chemical pharmaceuticals index by 3.70%, and the pesticide and fertilizer index by 1.03% [1] - In contrast, the oil index saw a decline across all categories, with the oil processing index down by 1.10%, the oil extraction index down by 1.22%, and the oil trading index down by 1.02% [1] Group 2: Oil Price Trends - International crude oil prices showed weak fluctuations, with the WTI crude oil futures settling at $62.80 per barrel, a decrease of 1.69% from August 8, and Brent crude oil futures settling at $65.85 per barrel, down by 1.11% [1] Group 3: Petrochemical Product Price Changes - The top five petrochemical products with price increases included liquid chlorine up by 29.05%, battery-grade lithium carbonate up by 18.57%, industrial-grade lithium carbonate up by 14.53%, folic acid up by 6.38%, and niacinamide up by 5.00% [1] - Conversely, the top five petrochemical products with price declines included butanone down by 8.91%, organic silicon DMC down by 8%, organic silicon D4 down by 7.69%, raw rubber down by 7.41%, and synthetic ammonia down by 6.95% [1] Group 4: Capital Market Performance of Chemical Companies - The top five listed chemical companies with the highest stock price increases were Shuangyi Technology up by 41.17%, Kaimete Gas up by 34.73%, Honghe Technology up by 33.09%, Weike Technology up by 31.54%, and Xinhang New Materials up by 31.43% [2] - The bottom five listed chemical companies with the largest stock price declines were Zhizheng Co. down by 13.04%, Donghua Energy down by 11.49%, Renzhi Co. down by 10%, Fengshan Group down by 8.51%, and Hehua Co. down by 8.20% [2]

来源：金融界 天眼查商业履历信息显示，浙江仁智股份有限公司，成立于2006年，位于温州市，是一家以从事专业技 术服务业为主的企业。企业注册资本43664.8万人民币，实缴资本11873.7213万人民币。公司法定代表人 为温志平。 通过天眼查大数据分析，浙江仁智股份有限公司共对外投资了18家企业，参与招投标项目1次，知识产 权方面有商标信息61条，专利信息18条，此外企业还拥有行政许可2个。 资金流向方面，今日主力资金净流入1150.35万元，占比成交额6.12%。其中，超大单净流入835.12万 元、占成交额4.44%，大单净流入315.23万元、占成交额1.68%，中单净流出流入214.36万元、占成交额 1.14%，小单净流出1364.71万元、占成交额7.26%。 仁智股份最新一期业绩显示，截至2025一季报，公司营业总收入3668.33万元、同比减少0.01%，归属净 利润287.77万元，同比增长63.00%，扣非净利润311.96万元，同比增长61.94%，流动比率1.114、速动比 率1.100、资产负债率78.04%。 金融界消息 截至2025年8月19日收盘，仁智股份（002629）报收于 ...

证券之星消息，8月19日油服工程板块较上一交易日下跌0.05%，科力股份领跌。当日上证指数报收于 3727.29，下跌0.02%。深证成指报收于11821.63，下跌0.12%。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3520.51万元，游资资金净流入907.6万元，散户资 金净流入2612.91万元。油服工程板块个股资金流向见下表： | 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 | | 1793.32万 | 10.36% | 478.94万 | 2.77% | -2272.25万 | -13.13% | | 002828 贝肯能源 | | 1655.69万 | 7.47% | -2092.10万 | -9.43% | 436.40万 | 1.97% | | 002629 仁智股份 | | 1150.35万 | 6.12% | 214.36万 | 1. ...

Market Overview - The oil service engineering sector experienced a decline of 1.49% on August 14, with Renji Co. leading the drop [1] - The Shanghai Composite Index closed at 3666.44, down 0.46%, while the Shenzhen Component Index closed at 11451.43, down 0.87% [1] Stock Performance - Notable stock performances included: - Bomaike (603727) rose by 3.39% to a closing price of 14.66 [1] - Other companies such as CNOOC Engineering (600583) and China Oil Engineering (600339) saw declines of 0.52% and 2.52%, respectively [1] - The trading volume and turnover for selected stocks were significant, with CNOOC Development (600968) recording a turnover of 3.45 billion yuan [1] Capital Flow - The oil service engineering sector saw a net outflow of 182 million yuan from main funds, while retail investors contributed a net inflow of 171 million yuan [2] - Specific stock capital flows included: - CNOOC Development (600968) had a main fund net inflow of 28.04 million yuan, but a net outflow from retail investors of 6.38 million yuan [2] - Bomaike (603727) experienced a main fund net inflow of 16.58 million yuan, with retail investors showing a net outflow of 19.67 million yuan [2] - The overall trend indicates a mixed sentiment among different investor types within the sector [2]

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]