智通财经APP讯，青龙管业(002457.SZ)公告，公司收到了与中国水电建设集团十五工程局有限公司就王 圪堵水库至靖边引水工程54.08km输水干线工程项目签署的《采购合同》，合同范围为：埋置式双胶圈 预应力钢筋砼管、钢管件，合同总金额为5526.71万元。 ...

人民财讯12月18日电，青龙管业（002457）12月18日公告，近日公司收到了与中国水电建设集团十五工 程局有限公司就王圪堵水库至靖边引水工程54.08km输水干线工程项目签署的《采购合同》，合同合计 总金额为5526.71万元，占公司2024年度经审计营业总收入的1.96%。合同范围：埋置式双胶圈预应力钢 筋砼管、钢管件。 ...

证券代码：002457 证券简称：青龙管业 公告编号：2025-074 青龙管业集团股份有限公司 关于签订买卖合同的公告 乙方：青龙管业集团股份有限公司 本公司及董事会全体成员保证公告内容的真实、准确、完整，没有虚假记载、 误导性陈述或者重大遗漏。 特别提示： 1、合同在执行期间可能存在原、辅材料价格上涨、劳动力成本上升等不利因 素，对公司合同履行收益产生影响。 2、合同金额较大且合同采取分期付款的方式，因此，存在不能及时收回部分 合同款的风险。 3、合同实施过程中如发生设计变更或受不可抗力等因素的影响，存在无法全 部履行或延缓履行的可能。 近日，青龙管业集团股份有限公司（以下简称"公司"）收到了与中国水电 建设集团十五工程局有限公司就王圪堵水库至靖边引水工程 54.08km 输水干线工 程项目签署的《采购合同》，合同主要情况如下： 一、合同签署概况 甲方：中国水电建设集团十五工程局有限公司 项目名称：王圪堵水库至靖边引水工程 54.08km 输水干线工程项目 合同范围：埋置式双胶圈预应力钢筋砼管、钢管件 交货时间：本合同签订生效之日起至合同额执行完后终止（本工程项目完工 之日止），乙方应以甲方书面通知确认的 ...

证券日报网讯12月17日晚间，青龙管业（002457）发布公告称，公司及控股子公司无逾期担保情况，无 涉及诉讼的担保事项，不存在因担保被判决败诉而应承担损失的情形。 ...

证券代码：002457 证券简称：青龙管业 公告编号：2025-073 青龙管业集团股份有限公司 关于为控股子公司提供担保的公告 本公司及董事会全体成员保证公告内容的真实、准确、完整，没 有虚假记载、误导性陈述或者重大遗漏。 一、担保情况概述 近日，青龙管业集团股份有限公司（以下简称"公司"）就控股子公司-宁 夏青龙钢塑复合管有限公司（以下简称"宁夏钢管"）向中国光大银行股份有限 公司银川分行（以下简称：光大银行银川分行）的借款事项提供了保证担保，具 体情况如下： | 担保方 | 被担保方 | 担保方 | 被担保方最 | 经审批担 | 截至目前 | 本次新增 | 本次担保额 度占上市公 | 是否 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | 持股比 | 近一期资产 | 保总额度 | 担保余额 | 担保额度 | 司最近一期 | 关联 | | | | 例 | 负债率 | （万元） | （万元） | （万元） | 净资产比例 | 担保 | | 青龙管业 集团股份 有限公司 | 宁夏青龙钢塑复 合管有限公司 | 93.50% | 49. ...

Core Viewpoint - The company has provided a guarantee for a loan application of 10 million yuan for its subsidiary, which is within the approved guarantee limit for the 2024 annual shareholders' meeting [1] Group 1 - The guarantee amount represents 0.41% of the company's latest net assets [1] - The total amount of external guarantees by the company and its subsidiaries is 535.5813 million yuan, with an actual guarantee balance of 220.888 million yuan [1] - All guarantees are utilized for subsidiaries within the consolidated financial statements, and there are no overdue guarantees [1]

Group 1 - Wolong Nuclear Material plans to invest no more than 1.5 billion yuan to expand the Shuikou Industrial Park project in Huizhou, Guangdong, focusing on high-performance communication cables and polymer foam materials [1] - Xiechuang Data intends to procure servers from multiple suppliers with a total contract amount not exceeding 9 billion yuan, primarily for cloud computing services [2] - Shen Shenfang A has appointed Chen Ming as the new chairman, replacing Tang Xiaoping, following a shareholder meeting [3] Group 2 - Zhongneng Electric and its subsidiaries have won multiple projects with a total contract value of approximately 423 million yuan [4] - Qiaoyin Co. has been pre-awarded a project for integrated urban sanitation in Zheng'an County, with a contract value of 1.225 billion yuan over 25 years [5] - Gansu Energy Chemical's subsidiary has won a construction project worth 359 million yuan [7] Group 3 - Vatti Co. has proposed a mid-term profit distribution plan for 2025, with a cash dividend of 1 yuan per 10 shares, totaling 83.1064 million yuan [6] - Zhongtai Automobile has received a bank credit line of 500 million yuan to alleviate short-term financial pressure [8] - Haiyou New Materials plans to invest approximately 300 million yuan in a special polymer film production project in Chengdu [10] Group 4 - Shenzhou Aerospace has clarified that it does not engage in commercial aerospace activities [11] - Shen Si Electronics, as the leading unit of a consortium, has won a project worth 199 million yuan [12] - Cai Xun Co. plans to invest 5 million yuan in a venture capital fund focused on a humanoid robotics company [13] Group 5 - Lishang Guochao's controlling shareholder plans to increase its stake by 1% to 2% through the stock exchange [14] - Nova Star Cloud intends to repurchase shares worth between 75 million and 150 million yuan [15] - Shanghai Jiubai plans to jointly invest in a new company with its controlling shareholder and another entity, with a registered capital of 860 million yuan [16] Group 6 - Dazhu CNC has received approval from the China Securities Regulatory Commission for issuing H-shares [17] - Yuyuan Co. plans to sell 100% equity and debt of Ningbo Xingjian for 150 million yuan [18] - Ningbo Color Master plans to reduce the holdings of some directors and executives by up to 1.29% [19][20] Group 7 - Xiechuang Data has signed a strategic cooperation framework agreement with Guangwei Technology and Guangjia Technology to enter the optical chip and module industry [21] - Jiamei Packaging's controlling shareholder is set to change, with a significant share transfer agreement in place [22] - AVIC Chengfei plans to invest approximately 422 million yuan in an aerospace equipment assembly base project [23] Group 8 - ST Lingnan has received a criminal judgment related to bid-rigging, with penalties imposed [24] - Langjin Technology has received a notice of administrative penalty from the Shandong Securities Regulatory Bureau for failing to disclose related party transactions [25] - Dongjie Intelligent is planning to acquire controlling interest in Aobo Intelligent, leading to a stock suspension [26][27] Group 9 - United Precision plans to acquire 51% of Mite Aviation for 194 million yuan, enhancing its presence in the aerospace defense sector [28] - Hualing Cable intends to acquire 70% of San Zhu Technology for 183 million yuan, aiming to integrate cable and connector technologies [29] - Lianhua Holdings' subsidiary plans to purchase 4,000 accelerator cards for 200 million yuan to enhance its smart computing business [30] Group 10 - Sanliu Ling has clarified that there is no financial fraud situation within the company [31] - Jiaojian Co. has reported that its controlling shareholder's shares have been judicially frozen due to debt risks [32] - Zhongke Electric plans to invest approximately 7 billion yuan in a lithium-ion battery anode material project [33][34] Group 11 - Langhong Technology's shareholder Liu Wei plans to reduce his stake by up to 2% [35] - Huashu Co. shareholders plan to reduce their holdings by up to 2% [36] - Qinglong Pipe Industry has signed a procurement contract for pipes worth 294 million yuan [37]

Core Viewpoint - Qinglong Pipe Industry Group Co., Ltd. has signed a significant procurement contract for prestressed concrete pipes and pressure steel pipes, which is expected to impact the company's performance positively from 2026 to 2030 [2][4][14]. Contract Overview - The contract is with a group company for the procurement of prestressed concrete pipes (PCCP) and pressure steel pipes, including design, manufacturing, and after-sales services [2][7]. - The total contract amount is RMB 294,012,863, which accounts for 10.43% of the company's audited revenue for 2024 [4][14]. - The supply period is from April 30, 2026, to April 29, 2030, with specific delivery schedules subject to approval [3][10]. Payment Terms - The contract stipulates a fixed price, with adjustments only for raw material price fluctuations exceeding ±10% [8]. - Payments will be made in installments, including advance payments, progress payments, and final settlement [9]. Performance Capability - The company has sufficient funds, personnel, technology, and production capacity to fulfill the contract [14]. - The products involved in the contract align with the company's existing main business, ensuring no dependency on the client [14]. Dispute Resolution - Any disputes arising from the contract will be resolved through friendly negotiation, and if unsuccessful, will be subject to litigation in the jurisdiction of the buyer [12].

Group 1 - Action Education plans to repurchase shares worth between 20 million to 25 million yuan at a price not exceeding 45 yuan per share for employee stock ownership plans or equity incentives [1] - Fulin Technology's shareholders plan to reduce their holdings by up to 2% of the company's total shares, amounting to a maximum of 24.44 million shares starting from December 22, 2025 [2] - Huashu shares' shareholders intend to reduce their holdings by up to 1% of the company's total shares, which is a maximum of 35.94 million shares [3] Group 2 - Silan Microelectronics has obtained a filing certificate for its 12-inch high-end analog integrated circuit chip manufacturing production line project, with an investment of 10 billion yuan and a monthly production capacity of 20,000 wafers [4] - Aerospace Information confirms that its main business does not involve commercial aerospace and that its operations are normal without significant changes [5] - Qinglong Pipe Industry signed a supply contract worth 294 million yuan for PCCP and pressure steel pipes, accounting for 10.43% of its 2024 revenue [6] Group 3 - Huaxin Precision plans to invest up to 1 billion yuan of idle funds in low-risk financial products [7] - Hainan Rubber received insurance compensation totaling approximately 26.65 million yuan for rubber income and tree insurance [8] - Lianmei Holdings announced the suspension of its subsidiary Fulin Thermal Power due to economic slowdown and reduced customer demand [9] Group 4 - Ruifeng Bank has been approved to issue up to 2.5 billion yuan in secondary capital bonds to enhance its capital and risk resistance [11] - China Pacific Insurance reported a 9.4% year-on-year increase in premium income for its life insurance subsidiary, totaling 250.32 billion yuan [12] - Sunshine Nuohuo signed an agreement with Peking University to establish a joint laboratory for innovative drug development [13] Group 5 - Century Huatong completed the cancellation of 56.12 million repurchased shares, reducing its total share capital from 7.428 billion to 7.372 billion shares [14] - Yaxin Security received a government subsidy of 3 million yuan [15] - Haili Biology's subsidiary received registration certification for a bone repair material in Indonesia [16] Group 6 - Yian Technology's subsidiary secured a major project for magnesium alloy components worth 430 million yuan, expected to start production by the end of March 2026 [17] - Jiangte Electric plans to contest the proposed cancellation of its lithium-containing mining rights [18] - COFCO Technology announced the resignation of its deputy general manager due to work changes [19] Group 7 - Fangsheng Pharmaceutical passed the GMP compliance inspection for its raw material production lines [21] - Bohai Ferry announced the resignation of two deputy general managers for personal and age-related reasons [22] - ST Fuhua appointed a new general manager [23] Group 8 - Huazhong CNC received project funding of 17.7 million yuan, accounting for 31.97% of its audited net profit for 2024 [24] - Oppein Home used 15 million yuan of idle funds to purchase a large time deposit with a 0.9% annual yield [25] - China General Nuclear Power's Ningde Unit 6 has begun full construction, utilizing Hualong One technology with a capacity of 1210 MW [26] Group 9 - Jiayuan Technology's chairman has had the investigation order lifted, and the company is operating normally [27] - Fulaixin Materials' application for a specific stock issuance has been approved by the Shanghai Stock Exchange [28] - Shuhua Sports plans to invest up to 500 million yuan in a health industry park project [29] Group 10 - Rhine Biology's stock will continue to be suspended due to ongoing control change and asset acquisition plans [30] - Haishi Science received approval for clinical trials for four innovative drugs targeting various diseases [31] - Hangcai Co. plans to repurchase shares worth between 50 million to 100 million yuan at a price not exceeding 80 yuan per share [32] Group 11 - Yinxin Technology received a cash dividend of 18 million yuan from its subsidiary [33] - Tianfulong plans to increase its wholly-owned subsidiary's capital by 580 million yuan [34] - Poly United's subsidiary won a bid for a stripping project worth 1.528 billion yuan [35] Group 12 - Minglida's deputy general manager resigned due to health reasons [36] - ST Guohua appointed a new deputy general manager [37] - China Xidian's subsidiaries won contracts totaling 1.005 billion yuan for Southern Power Grid projects [38]

Group 1 - The company has been confirmed as the winning bidder for the second section of a pipe procurement project [1] - The company has received a signed and stamped procurement contract for the pipes [1] - The supply period for the contract is from April 30, 2026, to April 29, 2030, with a total contract value of 294 million yuan [1]