证券代码：920029 证券简称：开发科技 公告编号：2025-017 成都长城开发科技股份有限公司 关于预计 2025 年日常性关联交易的公告 | | | | | | 单位：元 | | --- | --- | --- | --- | --- | --- | | 关联交易类 | 主要交易内 | 预计 2025 | 年发生金 | 2024 年与关联方 | 预计金额与上年实际 | | 别 | 容 | 额 | | 实际发生金额 | 发生金额差异较大的 | | | | | | | 原因 | | 购买原材料、 | | | | | | | 燃料和动力、 | 购买材料 | | 19,764,400.00 | 13,754,050.63 | 公司业务发展需要 | | 接受劳务 | | | | | | | 销售产品、商 | 出售产品 | | 141,006,000.00 | 77,837,872.36 | 公司业务发展需要 | | 品、提供劳务 | | | | | | | 委 托 关 联 方 | | | | | | | 销售产品、商 | | | | | | | 品 | | | | | | | 接受关联方 | | | | | | ...

证券代码：920029 证券简称：开发科技 公告编号：2025-016 成都长城开发科技股份有限公司 第一届董事会第三十次会议决议公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连带 法律责任。 一、会议召开和出席情况 （一）会议召开情况 1.会议召开时间：2025 年 4 月 10 日 2.会议召开地点：公司会议室 3.会议召开方式：现场结合通讯方式 4.发出董事会会议通知的时间和方式：2025 年 4 月 7 日以通讯方式发出 5.会议主持人：董事长莫尚云 董事莫尚云、周庚申、曹岷、彭秧因异地工作以通讯方式参与表决。 二、议案审议情况 （一）审议通过《关于预计 2025 年度日常关联交易的议案》 1.议案内容： 由于日常经营的需要，公司根据 2024 年度内实际发生的日常关联交易情况， 对 2025 年度可能发生的日常关联交易情况进行了合理预计。 6.会议列席人员：董事会秘书、监事、高级管理人员 7.召开情况合法、合规、合章程性说明： 本次会议的召集、召开和表决程序符合《中华人民共和国公司法》等有关法律、 行政 ...

华泰联合证券有限责任公司 关于成都长城开发科技股份有限公司 预计 2025 年日常性关联交易的核查意见 华泰联合证券有限责任公司（以下简称"华泰联合证券"或"保荐机构"） 担任成都长城开发科技股份有限公司（以下简称"开发科技"或"公司"）向不 特定合格投资者公开发行股票并在北京证券交易所上市的保荐机构，对开发科技 履行持续督导义务。根据《证券发行上市保荐业务管理办法》《北京证券交易所 股票上市规则（试行）》《北京证券交易所上市公司持续监管办法（试行）》《北京 证券交易所证券发行上市保荐业务管理细则》等相关法律、法规和规范性文件的 规定，华泰联合证券及其指定保荐代表人对开发科技预计 2025 年日常性关联交 易的事项进行了核查，核查具体情况如下： 一、日常性关联交易预计情况 （一）预计情况 单位：元 | 关联交易类别 | 主要交易内 | 预计 2025 年发 | 2024 年与关联方实 | 预计金额与上 年实际发生金 | | --- | --- | --- | --- | --- | | | 容 | 生金额 | 际发生金额 | 额差异较大的 | | | | | | 原因 | | 购买原材料、 燃料和动力、 | ...

证券代码：920029 证券简称：开发科技 公告编号：2025-015 成都长城开发科技股份有限公司 关于签署募集资金三方监管协议的公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假 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 担个别及连带法律责任。 一、募集资金情况概述 成都长城开发科技股份有限公司（以下简称"公司"）向不特定合格投资者公开 发行股票并在北京证券交易所上市申请已于 2024 年 12 月 6 日经北京证券交易所上 市委员会审核同意，并于 2025 年 2 月 28 日获得中国证券监督管理委员会（以下简 称"中国证监会"）出具的《关于同意成都长城开发科技股份有限公司向不特定合格 投资者公开发行股票注册的批复》（证监许可〔2025〕372 号）。 公司本次向不特定合格投资者发行股票 3,346.6667 万股（超额配售选择权行使 前），每股发行价格为人民币 30.38 元，募集资金总额为人民币 1,016,717,343.46 元 （超额配售选择权行使前），扣除不含税的发行费用人民币 53,148,842.89 元（超额 配售选择权行使前）， 募集资金净 ...

证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交1.03亿元，其中，买入成交额为5484.57 万元，卖出成交额为4817.49万元，合计净买入667.08万元。 具体来看，今日上榜营业部中，第一大买入营业部为广发证券股份有限公司成都麓山大道营业部，买入 金额为1311.74万元，第一大卖出营业部为国金证券股份有限公司深圳湾一号证券营业部，卖出金额为 1204.40万元。（数据宝） 开发科技4月2日交易公开信息 | 买/ 卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 广发证券股份有限公司成都麓山大道营业部 | 1311.74 | 0.00 | | 买二 | 中国银河证券股份有限公司丽水证券营业部 | 1223.80 | 9.99 | | 买三 | 东方财富证券股份有限公司拉萨团结路第一证券营业 部 | 934.95 | 949.02 | | 买四 | 东方财富证券股份有限公司拉萨团结路第二证券营业 | 931.40 | 880.44 | | | 部 | | | | 买五 | 东方财富证券股份有限公司拉萨东环路第 ...

截至2025年3月30日，北交所挂牌公司共265家，总股本355.80亿股，流通股本226.83亿股。 从成交量上来看，上周（3月24日-3月30日），北交所周成交量为66.30亿股，环比上周减少28.12%；周成交金额为1323.40亿元，环比上周减少33.32%。 | 项目 | 本周 | 比上周增减(%) | 本年累计 | | --- | --- | --- | --- | | 成交数量 (万股) | 663025.07 | -28.12% | 7561947.96 | | 成交金额(万元) | 13234012.47 | -33.32% | 160023864.59 | | 成交均价(元) | 19.96 | -7.23% | 21.16 | 上周（3月24日-3月30日)，北证50指数周微涨0.07%至1306.50点。在50家北证50成分股中，22只上涨，0只平盘，28只下跌。 其中，德源药业（832735）涨幅居首，上涨19.07%，天力复合（873576）居次，上涨13.92%。国航远洋（833171）跌幅居首，下跌16.94%，机科股份 （835579）居次，下跌13.43%。 新股发行方面， ...

Core Viewpoint - Chengdu Great Wall Development Technology Co., Ltd. (referred to as "Development Technology") has successfully listed on the Beijing Stock Exchange, marking a new development stage for the company in the smart metering sector [1] Company Overview - Development Technology focuses on the research, production, and sales of smart electric, water, and gas meters, as well as providing comprehensive services such as AMI system software [1] - The company aims to create an integrated smart energy management system solution, centered around smart electric meters, in response to the global energy transformation and dual carbon strategy [1] Historical Background - Development Technology is one of the earliest companies globally to engage in the research and deployment of smart electric meters, having collaborated with Italy's ENEL in 1998 to develop the first generation of smart meters with automatic reading capabilities [3] - The company has successfully introduced "Made in China" smart metering terminals to over 40 countries, particularly in developed European markets [3] Technological Innovation - The company holds 149 patents, including 48 invention patents, which solidify its leading position in the smart metering field and provide industry-leading products and services [4] - Development Technology has a rich reserve of platform design solutions that allow for rapid response to diverse market demands [4] Financial Performance - In 2023, Development Technology achieved a record high operating revenue of 2,549.78 million yuan and a net profit of 487.67 million yuan, reflecting stable growth in recent years [4] Market Adaptability - The company has developed numerous platform design solutions suitable for various application scenarios, enabling efficient design, production, and delivery in markets such as the Middle East, Central Asia, Southeast Asia, and South America [4] - Development Technology's products are compatible with offerings from over 30 mainstream manufacturers of electric, water, and gas meters, showcasing strong product integration capabilities [4] Communication Solutions - The company's products support multiple communication technologies, including PLC/RF/3G/4G/NB-IoT/Cat-M, meeting the communication needs of most countries and regions [5] - Development Technology has obtained over 200 globally applicable certifications in the communication field, further reinforcing its leading position in smart metering [5] Quality Control - The company has established a high-standard professional testing laboratory recognized by CNAS to rigorously verify and test product reliability [5] - Development Technology has achieved various quality management certifications, including ISO quality management, ISO energy management, and ISO environmental management, ensuring product quality stability and reliability [5]

| | | | 2 | 华泰联合 | 3 | | --- | --- | --- | | 2 | 中信证券 广司 | TITU 3 | | 4 | 、东兴证券TONWOOD TREE | | | 4 | 申万宏源 | 2 | | 4 | 中信建投 | 2 | | 7 | 华安证券 | 1 | | 7 | 广发证券 | 1 | | 7 | 国元证券 | 1 | | 7 | 平安证券 | 1 | | 7 | 申港证券 | 1 | | | 天风证券 | 1 | | 7 | 招商证券 | 1 | | 76 | 中金公司 | FOT 1 . | | 1 | 中国银河TONW( | on TREE | | 7 | 中泰证券 | 1 | | 7 | 中银国际 | 1 | | | 信计 | 27 | 二、律师事务所业绩排名 2025年1-3月，共有16家律师事务所为这27家新上市公司IPO提供了法律服务。 文/梧桐数据中心 随着3月28日开发科技（920029）在北交所上市，2025年1-3月A股合计新上市公司27家，其中沪市主板4家、科创板5家、深市主板3家、创业板12家、北交所3家。 相较去年同期的30家，同比下降10% ...

Group 1 - The core point of the article is that the stock of Kaifa Technology (920029) surged by 150.36% on its first trading day, with a turnover rate of 83.20% and a transaction volume of 2 billion yuan [2] - The stock's first-day financing buy-in amount was 27.98 million yuan, accounting for 1.40% of the total trading volume, while the latest financing balance was 21.30 million yuan, representing 0.88% of the circulating market value [2] - Kaifa Technology specializes in the research, production, and sales of smart metering terminals for electricity, water, and gas, as well as AMI system software [2] Group 2 - A summary of recent new stock listings shows that Kaifa Technology had the highest first-day increase among its peers, with other notable stocks including C Huayuan (389.02%) and C Huaye (149.11%) [2] - The financing balance for Kaifa Technology on its first day was lower compared to other newly listed stocks, indicating a cautious approach from investors [2] - The article provides a detailed table of recent new stock listings, highlighting their first-day performance, financing balances, and market value ratios [3]

Core Insights - The overall trading activity of the Beijing Stock Exchange (BSE) has significantly declined, with the average daily trading volume dropping to approximately 26.455 billion yuan, down from 39.658 billion yuan the previous week [3][4][5] - The BSE has 265 listed companies, with a total market capitalization of 720.115 billion yuan, and a price-to-earnings (P/E) ratio of around 43.3 times, which has decreased from 44.3 times the previous week [6][21][24] - The report emphasizes the accelerated development of specialized and innovative enterprises in the A-share market, highlighting the importance of capital market reforms in fostering a conducive environment for these companies [3][39][40] Trading Activity Overview - The BSE's trading volume for the week was 132.275 billion yuan, with a total trading volume of 6.629 billion shares, indicating a notable decrease in trading activity [3][4] - The weekly turnover rate for the BSE was 37.69%, which remains higher than that of the Sci-Tech Innovation Board, Growth Enterprise Market, and the Shanghai and Shenzhen main boards [5][6] Sector Performance - Among the 265 listed companies on the BSE, 122 companies experienced positive weekly growth, with the highest gainers being Kai Fa Technology (+150.36%) and Tonghui Electronics (+57.76%) [3][11] - The sectors with the largest weekly gains included non-ferrous metals (+10.1%), building materials (+9.8%), and agriculture, forestry, animal husbandry, and fishery (+6.3%), while the transportation sector saw the largest decline at -11.1% [3][11] Investment Strategy - The report recommends focusing on three main investment directions for 2025: 1. Concentrating on new productivity in the BSE, particularly companies with high growth potential and strong R&D investment [27] 2. Monitoring companies that are encouraged by policies to pursue mergers and acquisitions, as well as those expanding their industrial chains or planning overseas [27] 3. Paying attention to state-owned enterprises with stable operations and strong growth capabilities [27] Company Announcements - Important announcements from BSE companies this week included new foreign investments, stock buyback plans, project changes, project delays, and asset sales [28][30]