Group 1 - The State Intellectual Property Office of China has granted a patent for an "Online Calibration Device for Drilling Fluid Instruments" to Sinopec Petroleum Engineering Technology Service Co., Ltd., Sinopec Shengli Petroleum Engineering Co., Ltd., and Shandong Shenggong Testing Technology Co., Ltd. The patent was applied for on October 2021 [1] - Sinopec Petroleum Engineering Technology Service Co., Ltd. was established in 2012, located in Beijing, with a registered capital of 4 billion RMB. The company has participated in 31 bidding projects and holds 5,000 patent records [1] - Sinopec Shengli Petroleum Engineering Co., Ltd. was also established in 2012, located in Dongying, with a registered capital of 700 million RMB. The company has participated in 5,000 bidding projects and holds 2,741 patent records [1] Group 2 - Shandong Shenggong Testing Technology Co., Ltd. was established in 2014, located in Dongying, with a registered capital of 50 million RMB. The company has participated in 51 bidding projects and holds 37 patent records [2]

Group 1 - The core point of the article is that Longjian Co., Ltd. has announced a tender for a road construction project in Heilongjiang Province, with a budget of 1.33 million yuan [1] Group 2 - The project is specifically for the procurement of gravel for the expansion and reconstruction of the Dan-A highway section from Sunwu to Heihe [1] - Heilongjiang Longjian Road and Bridge Third Engineering Co., Ltd. is a wholly-owned subsidiary of Longjian Co., Ltd. [1]

Core Points - The article highlights significant announcements from various companies, including investment projects, contract wins, operational data, and financial performance. Company Announcements - Cambrian Technology (寒武纪) refuted claims regarding large orders for carrier boards as false information [1] - Zhongyan Chemical (中盐化工) plans to invest 360 million yuan in a natural soda ash mining project with an annual production capacity of 5 million tons [1] - Wanlima (万里马) won a procurement project for the 2025-2026 Southern Airlines comprehensive support department [1] - Lu'an Energy (路安环能) reported July coal sales of 4 million tons, a year-on-year decrease of 6.1% [1][2] - *ST Huike (汇科) intends to acquire 51% of Yizheng Tong for 29.07 million yuan [1][2] - Chipsea Technology (芯海科技) is planning an H-share issuance [1] Investment Projects - Zhaowei Electromechanical (兆威机电) plans to invest in a new production base in Thailand [1] - Yunnan Energy Investment (云南能投) is investing in wind and solar power projects, including the Changning Changtian Wind Farm and a photovoltaic project costing 245 million yuan [1] Contract Wins - Longjian Construction (龙建股份) secured a 448 million yuan engineering project [1] - Wanlima (万里马) won a contract for the procurement of aircrew bags for Southern Airlines [1] Financial Performance - Taicheng Light (太辰光) reported a net profit of 173 million yuan for the first half of the year, a year-on-year increase of 118.02% [1] - Dongyangguang (东阳光) achieved a net profit of 613 million yuan, a year-on-year increase of 170.57% [3] - Oriental Cable (东方电缆) reported a net profit of 473 million yuan, a year-on-year decrease of 26.57% [3] - Limin Co. (利民股份) reported a net profit of 269 million yuan, a year-on-year increase of 747.13% [3] Shareholding Changes - Zhongzi Technology (中自科技) announced that shareholder Yin'an Lingying plans to reduce holdings by up to 3% [1][2] - Boshi Jie (博实结) announced plans for a combined reduction of up to 3% in shares by shareholders Botian Yi and Huitian Yi [1][2] Other Developments - Kingood (金固股份) signed a strategic cooperation framework agreement with Luming Robotics [1] - Qipai Technology (气派科技) plans to raise no more than 159 million yuan through a private placement [1]

证券日报网讯8月14日晚间，龙建股份（600853）发布公告称，近日，公司全资子公司黑龙江省龙建路 桥第四工程有限公司(以下简称四公司)收到招标人国道抚远至饶河公路别拉洪至四合段改扩建工程建设 指挥部、招标代理机构黑龙江锦亿工程项目管理有限公司发来的中标通知书：四公司被确定为国道抚远 至饶河公路别拉洪至四合段改扩建工程土建工程施工招标(二次)-A1标段中标人。 ...

Core Viewpoint - Longjian Road and Bridge Co., Ltd. announced that its wholly-owned subsidiary, Heilongjiang Longjian Road and Bridge Fourth Engineering Co., Ltd., has been awarded a construction contract for the expansion and reconstruction of a section of the national highway from Fuyuan to Raohe, with a bid price of 448 million yuan [1] Group 1 - The company has received a bid notification confirming its status as the winning bidder for the civil engineering construction of the project [1] - The project involves the reconstruction of the Beilahu to Sihe section of the national highway [1] - The bid amount for the project is 448 million yuan [1]

人民财讯8月14日电，龙建股份（600853）8月14日晚间公告，2025年第二季度，公司中标项目金额 40.73亿元。2025年上半年中标项目合计金额70.24亿元，上年同期为107.79亿元。 ...

二、已签订尚未执行的重大项目进展情况 公司目前无已签订尚未执行的重大项目。 特此公告。 2025 年第二季度主要经营数据公告 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。 龙建路桥股份有限公司（以下简称公司）根据《上海证券交易所上 市公司行业信息披露指引第八号——建筑》的相关规定，现将 2025 年 第二季度主要经营数据（未经审计）公告如下： | 本 | 年 | 累 | 本 | 年 | 累 | 计 | 上 | 年 | 同 | 期 | 第二季 | 第 | 二 | 季 | 度 | 本年累 | 计 | 中 | 标 | 中 | 标 | 尚 | 未 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 分 | 累 | 计 | 中 | 标 | 度中标 | 中 | ...

证券代码：600853 证券简称：龙建股份 编号：2025-059 计划工期：1095日历天 工程概况：本项目长度为45.518km，施工内容主要包括路基路面、 小桥5座、涵洞、交通安全设施、道班用房、附属用房及配套工程、环 保绿化等。 本项目四公司承担的施工任务约占公司2024年经审计营业收入的 2.45%。 特此公告。 龙建路桥股份有限公司工程项目中标公告 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。 近日，龙建路桥股份有限公司（以下简称公司）全资子公司黑龙江 省龙建路桥第四工程有限公司（以下简称四公司）收到招标人国道抚远 至饶河公路别拉洪至四合段改扩建工程建设指挥部、招标代理机构黑龙 江锦亿工程项目管理有限公司发来的中标通知书： 四公司被确定为国道抚远至饶河公路别拉洪至四合段改扩建工程 土建工程施工招标（二次）- A1标段（以下简称项目、本项目）中标人。 项目地点：黑龙江省佳木斯市抚远市 中标价：447,834,966.00元 龙建路桥股份有限公司董事会 2025 年 8 月 15 日 报备文件 中标通知书 ...

格隆汇8月14日丨龙建股份(600853.SH)公布，全资子公司黑龙江省龙建路桥第四工程有限公司（简称四 公司）收到招标人国道抚远至饶河公路别拉洪至四合段改扩建工程建设指挥部、招标代理机构黑龙江锦 亿工程项目管理有限公司发来的中标通知书：四公司被确定为国道抚远至饶河公路别拉洪至四合段改扩 建工程土建工程施工招标（二次）-A1标段（以下简称项目、本项目）中标人。中标价447,834,966.00 元。 ...

Core Points - The infrastructure sector experienced a decline of 1.25% on August 14, with Beixin Road and Bridge 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 - Daqian Ecology (603952) saw a significant increase of 10.00%, closing at 43.35 with a trading volume of 81,800 shares and a transaction value of 346 million [1] - Chengdu Road and Bridge (002628) rose by 7.09%, closing at 5.29 with a trading volume of 1,255,900 shares [1] - Hangzhou Yuanlin (300649) increased by 3.25%, closing at 17.14 with a trading volume of 107,300 shares [1] - Sichuan Road and Bridge (600039) had a slight increase of 0.72%, closing at 8.42 with a trading volume of 634,200 shares [1] - Longjian Co. (600853) and Tunnel Co. (600820) had minimal changes, closing at 3.96 and 6.69 respectively [1] - ST Yuancheng (603388) decreased by 0.45%, closing at 2.21 [1] - Shandong Road and Bridge (000498) and Pudong Construction (600284) also saw slight declines [1] Capital Flow - The infrastructure sector experienced a net outflow of 1.084 billion from institutional investors, while retail investors contributed a net inflow of 907 million [3] - Speculative funds saw a net inflow of 177 million into the sector [3]