证券之星消息，8月19日专业工程板块较上一交易日上涨0.75%，*ST天龙领涨。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%。专业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 | | --- | --- | --- | --- | --- | --- | --- | --- | | 601618 | 中国中治 | 1.33 Z | 15.46% | -723.95万 | -0.84% | -1.26 Z | -14.62% | | 000032 深桑达A | | 4622.53万 | 4.21% | -289.93万 | -0.26% | -4332.59万 | -3.94% | | 002593 | 日上集团 | 2976.54万 | 13.97% | -1239.04万 | -5.81% | -- - 1737.50万 | -8.15% | | 000928 | 中钢国际 | 2536.21万 | 10.26% | -3110.16万 ...

Core Insights - The company reported a significant decline in revenue for the first half of 2025, with total operating income of 197 million yuan, representing a year-on-year decrease of 28.29% [1] - The net profit attributable to shareholders was negative, amounting to -22.33 million yuan, indicating financial challenges [1] - The net profit attributable to shareholders after deducting non-recurring gains and losses was also negative at -26.80 million yuan, reflecting ongoing operational difficulties [1] - The basic earnings per share were reported at -0.37 yuan, further highlighting the company's financial struggles [1]

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 603098 | 森特股份 | 12.40 | -4.25% | 37.10万 | 4.65亿 | | 000065 | 北方国际 | 12.54 | -3.02% | 73.13万 | 2660.6 | | 002051 | 中工国际 | 9.09 | -2.68% | 46.39万 | 4.22亿 | | 603929 | 亚翔集成 | 35.33 | -2.40% | 5.00万 | 1.78亿 | | 000928 | 中钢国际 | 6.64 | -2.06% | 51.36万 | 3.42 乙 | | 605289 | 爱曼股份 | 40.79 | -2.04% | 4.59万 | 1.89亿 | | 605598 | 肥炭奥士 | 27.75 | -1.98% | 23.60万 | 6.48亿 | | 300517 | 海波重科 | 12.83 | -1.46% | 6.00万 | 7746.02万 | | 605178 | 时空科技 ...

Core Points - As of August 15, 2025, China Chemical (601117) closed at 8.12 yuan, down 2.17% from the previous week's 8.3 yuan [1] - The company's market capitalization is currently 49.588 billion yuan, ranking 2nd out of 39 in the professional engineering sector and 310th out of 5,152 in the A-share market [1] Company Announcements - China Chemical announced a cash dividend of 0.186 yuan per share for the 2024 annual equity distribution, with the record date set for August 21, 2025 [1] - The total cash dividend distribution amounts to approximately 1.136 billion yuan, based on a total share count of 6,106,877,362 shares after the implementation of the 2022 restricted stock incentive plan [1] - The cash dividend will be distributed by China Securities Depository and Clearing Corporation Limited Shanghai Branch for unrestricted circulating shares, while other entities will handle their own tax obligations [1]

Market Performance - The professional engineering sector increased by 0.97% on August 15, with Northern International leading the gains [1] - The Shanghai Composite Index closed at 3696.77, up 0.83%, while the Shenzhen Component Index closed at 11634.67, up 1.6% [1] Stock Performance - Northern International (000065) closed at 12.93, rising by 7.04% with a trading volume of 712,700 shares and a turnover of 900 million yuan [1] - Other notable performers included: - Zhonggong International (002051) at 9.34, up 4.12% [1] - Roman Co., Ltd. (605289) at 41.64, up 3.58% [1] - Shenghui Sun (603163) at 33.30, up 3.42% [1] - Zhonggang International (000928) at 6.78, up 3.20% [1] Capital Flow - The professional engineering sector saw a net inflow of 1.39 million yuan from institutional investors, while retail investors contributed a net inflow of 58.51 million yuan [2] - Notably, Northern International experienced a net inflow of 72.39 million yuan from institutional investors, despite a net outflow of 41.32 million yuan from speculative funds [3]

Core Viewpoint - The announcement details the first unlock period of the restricted stock incentive plan for 2024 by Bosheng System Technology Co., Ltd, allowing 92 eligible participants to unlock a total of 1.886744 million shares, effective from August 20, 2025 [2][4][15]. Group 1: Stock Incentive Plan Overview - The stock type involved in this incentive plan is restricted stock, with a total of 5.7475 million shares planned for issuance, representing approximately 1.10% of the company's total share capital [4][5]. - The initial grant price for the restricted stock was set at 5.45 yuan per share [4]. - The plan includes 94 initial grantees and 27 reserved grantees, with different lock-up periods of 12, 24, and 36 months for the granted shares [5]. Group 2: Approval and Implementation Process - The board of directors and supervisory board approved the incentive plan on July 12 and July 29, 2024, respectively, with subsequent public disclosures confirming the approval process [7][8]. - The company completed the registration of the initial grant of 4.83206 million shares on August 7, 2024 [9]. Group 3: Unlock Conditions and Details - The first unlock period for the initial grant ended on August 6, 2025, after which the eligible participants can unlock their shares [14]. - The total number of shares eligible for unlocking is 1.886744 million, which accounts for 0.36% of the company's total share capital [15]. Group 4: Legal Compliance and Opinions - A legal opinion was issued confirming that the company has fulfilled all necessary approval and authorization procedures for the unlock of restricted shares, in compliance with relevant laws and regulations [18].

Summary of Key Points from Conference Call Records Industry Overview - The construction and infrastructure sector is experiencing a high dividend investment opportunity, with major state-owned enterprises like China Railway Construction and China Communications Construction having high shareholding ratios among top shareholders and significant dividend levels [1][11][30]. Company-Specific Insights Anhui Construction - Revenue has been stable with a slight increase, but net profit attributable to shareholders decreased in 2024. In Q1 2025, revenue grew by 7.42% year-on-year, and net profit increased by 0.31%. The cash dividend ratio has consistently exceeded 28%, reaching 34.46% in 2024, making it the highest dividend yield in the infrastructure industry [1][5]. Sichuan Road and Bridge - The company faced a revenue decline of approximately 7% in 2024 and a net profit drop of 19.92%. However, in Q1 2025, revenue increased by 3.98% and net profit by 0.99%. The cash dividend ratio rose from 39% in 2020 to around 50% in 2024, with plans for at least a 60% cash dividend ratio in the next three years [1][6]. Tunnel Corporation - As a leading enterprise under the Shanghai State-owned Assets Supervision and Administration Commission, the company has a relatively stable but fluctuating performance. Revenue fell by 7% in 2024, and further decreased by about 25% in Q1 2025. The cash dividend ratio increased from 30% in 2020 to 35% in 2024 [1][7]. Pudong Construction - The company has shown steady growth in revenue and net profit in recent years, with a gradually increasing cash dividend ratio. However, in Q1 2025, revenue dropped by over 40% year-on-year, and net profit decreased by 18%. The cash dividend ratio reached 43.66% in 2024 [2][9][10]. China Construction Company - The company reported revenues exceeding 2 trillion yuan, with a dividend ratio of 24.29% in 2024, close to the banking average of 26.2%. New contracts signed in 2024 reached 4.5 trillion yuan, a year-on-year increase of 4.13% [13]. Sector Performance and Trends - The overall performance of the infrastructure sector remains robust, supported by high levels of investment. The average dividend yield for 42 banks is 3.95%, with a dividend payout ratio of 26.2%. Many companies in the infrastructure sector exceed these averages [3][32]. Real Estate Sector Insights - The real estate investment in the first half of 2025 decreased by 11.2%, with sales area down by 3.5%. The sector is currently in a bottoming phase, with new construction projects down by 20% and completions down over 14% [12]. Dividend Trends Across Industries - The construction and engineering consulting sectors show a high overall dividend payout ratio, with 12 out of 37 companies in the engineering consulting sector having a dividend yield exceeding 3% [3][18]. The decoration and renovation industry exhibits a polarized dividend yield, with leading companies like Jianghe Group achieving a dividend payout ratio of 97.72% [16]. Recommendations - Recommended companies for investment in the infrastructure sector include Anhui Construction, Sichuan Road and Bridge, Tunnel Corporation, and Pudong Construction, among others [30][31].

Market Overview - On August 12, the professional engineering sector declined by 0.39%, with Shanghai Port leading the drop [1] - The Shanghai Composite Index closed at 3665.92, up 0.5%, while the Shenzhen Component Index closed at 11351.63, up 0.53% [1] Stock Performance - Notable gainers in the professional engineering sector included: - Yaxiang Integration (603929) with a closing price of 38.22, up 1.84% on a trading volume of 24,400 shares and a turnover of 93.10 million yuan [1] - China Chemical (601117) closed at 8.33, up 1.83% with a trading volume of 562,300 shares and a turnover of 468 million yuan [1] - Aiman Co. (605289) closed at 39.74, up 1.77% with a trading volume of 40,100 shares and a turnover of 158 million yuan [1] - Notable decliners included: - Feiyang Aoshi (605598) with a closing price of 29.03, down 9.98% on a trading volume of 338,400 shares [2] - Zhite New Materials (300986) closed at 13.73, down 3.31% with a trading volume of 236,500 shares [2] - Baijia Technology (835857) closed at 7.68, down 3.03% with a trading volume of 82,800 shares [2] Capital Flow - The professional engineering sector experienced a net outflow of 491 million yuan from institutional funds, while retail investors saw a net inflow of 558 million yuan [2]

Investment Rating - The industry investment rating is "Overweight" [2][24]. Core Viewpoints - The construction and decoration sector has shown a weekly increase of 1.75%, outperforming the Shenzhen Component Index and the Small and Medium Enterprises Board [3][4]. - The establishment of the Xinjiang Tibet Railway Co., Ltd. with a registered capital of 95 billion RMB is expected to accelerate investment in the central and western regions [11][12]. - The Ministry of Housing and Urban-Rural Development has indicated a shift in the real estate sector towards a new development model focused on high-quality urban renewal [11][12]. Industry Performance - The construction sector's weekly performance was +1.75%, with the international engineering sub-sector leading at +3.77% [4][5]. - The top three sub-sectors for weekly growth were international engineering (+3.77%), professional engineering (+3.40%), and decorative curtain walls (+3.35%) [5][9]. - Year-to-date, the ecological landscaping sub-sector has seen the highest growth at +28.69% [5][9]. Key Company Developments - Tengda Construction won a bid for a new primary school project in Taizhou, Zhejiang, valued at 118 million RMB, representing 3.17% of its 2024 revenue [13][15]. - Chengdi Xiangjiang signed a contract for the "Hutai Smart Cloud Valley Digital Technology Industry Park Data Center" project, totaling 4.527 billion RMB, which is 279.27% of its 2024 revenue [13][15]. - The company Shenghui Integrated reported a 39.04% increase in H1 revenue to 1.295 billion RMB [15].

Core Points - As of August 8, 2025, Sentec Co., Ltd. (603098) closed at 10.53 CNY, a 0.77% increase from the previous week's 10.45 CNY [1] - The company's current market capitalization is 5.683 billion CNY, ranking 22nd out of 39 in the professional engineering sector and 2899th out of 5151 in the A-share market [1] Company Announcements - The company and its wholly-owned and controlled subsidiaries have provided a total of 34.878 million CNY in new guarantees [1] - The breakdown of guarantees includes 32.1116 million CNY provided by the company for its subsidiaries and 2.7664 million CNY provided by its subsidiaries to the parent company [1] - As of July 31, 2025, the cumulative amount of guarantees provided by the company and its subsidiaries is 510 million CNY, which accounts for 18.49% of the company's latest audited net assets [1] - The company has approved a guarantee limit of up to 1.3 billion CNY for the year 2025, allowing for adjustments within this limit without the need for additional board or shareholder meetings [1] - The new guarantees include situations where the asset-liability ratio of the guarantee objects exceeds 70% [1]