本公司及监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 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》、《公司章 程》和《监事会议事规则》等有关法律、行政法规、规范性文件的规定。 （二）会议出席情况 证券代码：920029 证券简称：开发科技 公告编号：2025-046 成都长城开发科技股份有限公司 第一届监事会第二十次会议决议公告 会议应出席监事 3 人，出席和授权出席监事 3 人。 监事才淦因异地工作以通讯方式参与表决。 二、议案审议情况 公司结合 2025 年第一季度经营情况，编制了公司《2025 年一季度报告》。 1.会议召开时间：2025 年 4 月 28 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.发出监事会会议通知的时间和方式：2025 年 4 月 25 日以通讯方式发出 5.会议主持人：监事会主席才淦 6.召开情况合法、合规、合章程性说明： （一）审议通过《关于公司<2025 年一季度报告>的议案》 1.议案内 ...

证券代码：920029 证券简称：开发科技 公告编号：2025-045 （一）会议召开情况 1.会议召开时间：2025 年 4 月 28 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 25 日以通讯方式发出 5.会议主持人：董事长莫尚云 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、 行政法规、规范性文件及《公司章程》和《董事会议事规则》的规定。 （二）会议出席情况 会议应出席董事 9 人，出席和授权出席董事 9 人。 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 成都长城开发科技股份有限公司 第一届董事会第三十二次会议决议公告 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 4.提交股东会表决情况： 本议案无需提交股东会审议。 三、备查文件目录 《成 ...

Financial Performance - Net profit attributable to shareholders rose by 60.30% to CNY 202,963,224.17 year-on-year[9] - Operating revenue grew by 35.43% to CNY 809,728,839.81 in the first quarter of 2025[9] - The company’s basic earnings per share rose by 60.32% to CNY 2.02[9] - The weighted average return on equity increased to 9.15% from 8.04% year-on-year[9] - The net profit for Q1 2025 reached CNY 202,751,987.25, a significant increase of 60.2% compared to CNY 126,595,288.22 in Q1 2024[40] - The total profit for Q1 2025 was CNY 232,589,335.88, an increase from CNY 145,210,001.91 in Q1 2024, representing a growth of 60.1%[40] - The total comprehensive income for Q1 2025 was CNY 203,957,053.75, compared to CNY 125,268,646.20 in Q1 2024, marking an increase of 62.7%[40] Asset and Liability Management - Total assets increased by 38.14% to CNY 4,553,520,211.93 compared to the end of last year[9] - The company's total liabilities to assets ratio decreased to 27.80% from 35.78% at the end of the previous year[9] - The total liabilities as of March 31, 2025, were CNY 1,265,846,423.50, compared to CNY 1,179,393,337.95 at the end of 2024, representing an increase of approximately 7.3%[35] - The equity attributable to shareholders increased to CNY 3,286,245,985.50 from CNY 2,115,283,084.34, marking a growth of around 55.3%[35] - The total current assets amounted to ¥3,922,369,295.64 as of March 31, 2025, up from ¥2,661,004,871.92 at the end of 2024, indicating a growth of approximately 47.3%[36] Cash Flow Analysis - The company's cash flow from operating activities increased by 21.62% to CNY 109,612,026.71[9] - The company reported a significant increase in cash flow from financing activities, up 47,672.93% to CNY 1,115,533,659.52 due to new share issuance and loans[12] - The cash inflow from operating activities in Q1 2025 was CNY 896,872,688.31, compared to CNY 789,526,270.29 in Q1 2024, an increase of 13.6%[44] - The company reported cash inflow from sales of goods and services of ¥774,025,595.04, compared to ¥663,227,025.47 in the previous year, indicating a growth of 16.7%[46] - The company’s total cash and cash equivalents increased by ¥1,229,157,740.39 in Q1 2025, compared to an increase of ¥142,260,175.98 in Q1 2024[47] Research and Development - Research and development expenses increased by 41.54% to CNY 42,429,347.20, reflecting the company's commitment to innovation[11] - Research and development expenses for Q1 2025 were ¥42,429,347.20, compared to ¥29,976,522.53 in Q1 2024, showing an increase of approximately 41.5%[39] Shareholder Information - The total number of ordinary shares increased from 100.40 million to 133.87 million, with the proportion of restricted shares decreasing from 100% to 76.25%[17] - The largest shareholder, Shenzhen Great Wall Development Technology, holds 70 million shares, representing 52.29% of the total shares[18] - The total number of ordinary shareholders is 24,661, indicating a broad base of ownership[17] - The number of shareholders holding more than 5% of shares includes several entities, with the top three holding a combined total of 89.49%[18] Operational Efficiency - The total sales expenses for the last fiscal year were approximately 36.65 million, compared to 36.20 million in the previous year, reflecting an increase[15] - The operating costs for the last fiscal year were approximately 442.18 million, slightly down from 442.64 million in the previous year[15] - The company's short-term borrowings increased to ¥322,595,744.06 as of March 31, 2025, compared to ¥177,863,936.82 at the end of 2024, reflecting an increase of about 81.5%[37] Legal and Compliance - The company has not reported any significant legal disputes or penalties during the reporting period[21] - The company reported no pledges or judicial freezes on shares held by major shareholders[20] - The company has approved a guarantee for its wholly-owned subsidiary for the year 2025, as disclosed in the announcement[23] - The company has also approved the expected daily related transactions for 2025, with no exceeded amounts reported during the reporting period[24]

华泰联合证券有限责任公司 华泰联合证券就本次超额配售选择权的实施情况核查说明如下： 一、本次超额配售情况 根据《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并 在北京证券交易所上市发行公告》（以下简称"《发行公告》"）公布的超额配售选 择权机制，华泰联合证券已按本次发行价格 30.38 元/股于 2025 年 3 月 18 日（T 日）向网上投资者超额配售 502.0000 万股，占初始发行股份数量的 15.00%。超 额配售股票全部通过向本次发行的战略投资者延期交付的方式获得。 二、超额配售选择权实施情况 开发科技于 2025 年 3 月 28 日在北京证券交易所上市。自公司在北京证券交 易所上市之日起 30 个自然日内（含第 30 个自然日，即自 2025 年 3 月 28 日至 2025 年 4 月 26 日），获授权主承销商有权使用超额配售股票募集的资金以竞价 交易方式购买发行人股票，且申报买入价格不得超过本次发行的发行价，购买的 股份数量不超过本次超额配售选择权股份数量限额（502.0000 万股）。 开发科技在北京证券交易所上市之日起 30 个自然日内，华泰联合证券作为 本次发行的获 ...

法律意见书 广东华商律师事务所 关于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并在北京证券交易所上市 关于成都长城开发科技股份有限公司 超额配售选择权实施情况的 法律意见书 广东华商律师事务所 CHINA COMMERCIAL LAW FIRM. GUANG DONG 广东省深圳市福田区深南大道 4011 号港中旅大厦第 21-26 层 21-26/F, CTS Tower, No.4011, ShenNan Avenue, Shenzhen, PRC. 电话（Tel）：0086-755-83025555 传真（Fax）：0086-755-83025068 邮政编码（P.C.）：518048 网址：http://www.huashang.cn 法律意见书 广东华商律师事务所 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 超额配售选择权实施情况的 法律意见书 致：华泰联合证券有限责任公司 广东华商律师事务所（以下简称"本所"）受华泰联合证券有限责任公司（以 下简称"华泰联合"或"主承销商"）的委托，担任成都长城开发科技股份有限 公司（以下简称"开发科技""发行人"或"公司"）向不特定合 ...

按不同板块统计，今年以来沪市主板发行新股7只，募资75.86亿元；深市主板发行新股5只，募资25.16 亿元；创业板发行新股15只，募资84.19亿元；科创板发行新股4只，募资29.64亿元；北交所发行新股3 只，募资13.81亿元。 2只新股今日发行，天工股份发行6000.00万股，发行价3.94元，募资金额2.36亿元；泽润新能发行 1596.70万股，发行价33.06元，募资金额5.28亿元。 证券时报·数据宝统计显示，以发行日期为基准，截至4月28日，今年以来共有34家公司首发募资，累计 募资金额达228.66亿元，单家公司平均募集资金6.73亿元。分区间来看，募资金额超10亿元的有6家，募 资金额5亿元至10亿元的有13家，募集资金在5亿元以下的有15家。 C天有为今年以来募资金额最多的公司，首发募集资金达37.40亿元，募资主要投向汽车电子智能工厂建 设项目，补充流动资金，智能座舱生产基地建设项目等；其次是兴福电子，募资金额为11.68亿元，募 资主要用于使用暂时闲置募集资金进行现金管理及以协定存款方式存放募集资金余额，4万吨/年超高纯 电子化学品项目（上海），2万吨/年电子级氨水联产1万吨/年电 ...

Core Insights - As of April 25, the total margin financing and securities lending balance on the Beijing Stock Exchange (BSE) was 5.258 billion yuan, a decrease of 56.9734 million yuan from the previous trading day [1] - The top three stocks by margin financing balance were Jinbo Biological, Airon Software, and Better Ray, with balances of 204 million yuan, 145 million yuan, and 134 million yuan respectively [1] - The average margin financing balance as a percentage of market capitalization for these stocks was 1.18%, with the highest ratios for Pino Technology, Meideng Technology, and Guozi Software at 6.67%, 5.60%, and 4.17% respectively [1] Margin Financing Activity - On April 25, 99 stocks on the BSE had net margin purchases, with 26 stocks having net purchases exceeding 1 million yuan [2] - Changfu Co. led with a net purchase of 6.7713 million yuan, followed by Kaifa Technology and Xuchang Intelligent with net purchases of 6.4205 million yuan and 5.2924 million yuan respectively [2] - The stocks with the highest net margin sales included Jinbo Biological, Parallel Technology, and Zhuozhao Point Glue, with net sales of 16.7692 million yuan, 8.4805 million yuan, and 5.1862 million yuan respectively [2] Industry Performance - The industries with the most stocks receiving net margin purchases over 1 million yuan were machinery equipment, basic chemicals, and computers, with 5, 4, and 3 stocks respectively [2] - On average, stocks with net margin purchases over 1 million yuan saw a decline of 2.10% on April 25, with Bawei Co., Guozi Software, and Xuchang Intelligent showing increases of 9.03%, 3.36%, and 2.27% respectively [2] - The average turnover rate for stocks with net margin purchases over 1 million yuan was 5.18%, with the highest turnover rates for Kaibaier, Bawei Co., and Kaifa Technology at 35.50%, 33.85%, and 23.00% respectively [2] Notable Stocks - The stocks with the largest increases in margin financing balance on April 25 included Changfu Co. (increase of 6.7713 million yuan), Kaifa Technology (increase of 6.4205 million yuan), and Xuchang Intelligent (increase of 5.2924 million yuan) [3] - Other notable stocks with significant margin financing increases included New Ganjing, Dingzhi Technology, and Lusi Co. [3] - The stocks with the largest decreases in margin financing balance included Jinbo Biological, Parallel Technology, and Zhuozhao Point Glue [3]

Recognition and Certifications - The company was recognized as a "Smart Factory" by the Chengdu Economic and Information Technology Bureau[6]. - The company was listed among the "Top 100 Manufacturing Enterprises" in Chengdu by the Chengdu Enterprise Federation[7]. - The company obtained a Level 3 certification for Intelligent Manufacturing Capability Maturity Model (CMMM-L3)[8]. - The company achieved a Level 2 certification for Data Management Capability Maturity Model (DCMM-L2)[9]. - The company has been recognized as a "High-tech Enterprise" and has received various honors related to intelligent manufacturing capabilities[59]. - The company has obtained over 600 international certifications, including EU MID and CE certifications, enhancing its product reliability and safety[61]. Financial Performance - The company's operating revenue for 2024 reached ¥2,932,727,944.85, representing a 15.02% increase compared to ¥2,549,782,613.66 in 2023[33]. - The gross profit margin improved to 36.03% in 2024, up from 33.50% in 2023[33]. - Net profit attributable to shareholders was ¥588,994,541.44, marking a 21.11% increase from ¥486,321,169.99 in the previous year[33]. - The net profit after deducting non-recurring gains and losses was ¥585,257,284.68, a 17.29% increase from ¥498,970,739.16 in 2023[33]. - The weighted average return on equity based on net profit attributable to shareholders was 32.49% in 2024, down from 38.16% in 2023[33]. - Basic earnings per share increased to ¥5.87, a 20.78% rise from ¥4.86 in 2023[33]. - Revenue growth rate for 2024 was 15.02%, compared to 42.39% in 2023[36]. - Net profit growth rate for 2024 was 20.64%, down from 165.95% in 2023[36]. Assets and Liabilities - Total assets increased by 43.51% year-over-year, reaching approximately ¥3.30 billion at the end of 2024[35]. - Total liabilities rose by 50.45% year-over-year, amounting to approximately ¥1.18 billion at the end of 2024[35]. - Net assets attributable to shareholders increased by 40.01% year-over-year, totaling approximately ¥2.12 billion at the end of 2024[35]. - The company reported a current ratio of 2.50 and a debt-to-asset ratio of 34.64% for the parent company[35]. Cash Flow and Expenses - Operating cash flow decreased by 22.58% year-over-year, amounting to approximately ¥475.16 million in 2024[36]. - The company recorded non-recurring gains of approximately ¥3.74 million in 2024, compared to a loss of ¥12.65 million in 2023[41]. - Research and development expenses increased by 35.80% to ¥162,284,236.67, indicating a focus on innovation[70]. - The net cash flow from operating activities decreased by 22.58% year-on-year, mainly due to increased payments to suppliers and changes in customer collections[85]. Market and Product Development - The company plans to expand its market presence and enhance its product offerings in the smart metering sector[24]. - The company is developing several key projects, including outdoor smart meters and ultrasonic gas meters, which are expected to enhance its competitive edge in the smart energy management sector[96]. - The company is actively pursuing market expansion through innovative product development and strategic R&D initiatives[96]. - The company is focusing on expanding its SaaS offerings to capture more secondary market project opportunities[97]. Employee and Talent Management - The total number of employees increased from 1,273 to 1,454, representing a growth of approximately 14.2%[196]. - The management personnel count rose from 71 to 76, while production personnel increased from 836 to 958[196]. - The number of R&D personnel grew from 268 to 299, indicating a focus on innovation and development[196]. - The company has implemented a talent development system based on job qualifications, including new employee training, general skills training, professional skills training, and talent pipeline development[199]. Corporate Governance and Compliance - The company has established a transparent promotion system to encourage employee development and ensure alignment with corporate goals[105]. - The company has committed to ensuring that income and gross profit from related businesses do not exceed a certain percentage of the main business income, with a deadline of June 14, 2024[156]. - The company has no significant legal violations or administrative penalties during the reporting period[161]. - The company has committed to exclusive trademark licensing for its subsidiary, ensuring no similar business competition[157]. Strategic Initiatives and Future Plans - The company plans to implement new accounting standards effective January 1, 2024, which may impact financial reporting but has not affected the company significantly[45][46][47]. - The company aims to strengthen its data management capabilities and transition from hardware providers to data service providers, increasing value-added service revenue[97]. - The company is committed to sustainable procurement by prioritizing materials with sustainability certifications and encouraging suppliers to reduce carbon emissions[106]. - The company has set clear carbon neutrality goals and plans to achieve low-carbon transformation through technological innovation and management optimization[110].

Summary of Key Points Core Viewpoint - The trading volume and value of stocks on the Beijing Stock Exchange (BSE) experienced a significant decrease on April 24, with a total trading volume of 1.409 billion shares and a trading value of 30.062 billion yuan, down by 2.821 billion yuan compared to the previous trading day. Trading Performance - Among the tradable stocks on the BSE, 38 stocks closed higher, accounting for 14.34% of the total tradable stocks. The top gainers included Lusi Co., Ltd. (up 14.74%), Shibibai (up 10.35%), and Zhongyu Technology (up 9.59%) [1]. - Conversely, 226 stocks closed lower, with the largest declines seen in Kobalt (down 14.47%), Guangsha Environmental Energy (down 11.17%), and Tonghui Electronics (down 8.76%) [1]. Trading Volume and Turnover - A total of 100 stocks had a trading value exceeding 10 million yuan, with the highest trading values recorded for Kai Fa Technology (810 million yuan), Airong Software (662 million yuan), and Xingtou Measurement and Control (531 million yuan) [1]. - The trading activity showed that 65 stocks had a turnover rate exceeding 10%, with 14 stocks exceeding 20%. The stocks with the highest turnover rates included Kobalt (59.97%), Yiyiy Pharmaceutical (35.97%), and Wanda Bearings (32.47%) [1]. Stock Performance Details - The detailed trading performance of selected stocks included: - Kai Fa Technology: Closing price 109.40 yuan, down 8.60%, turnover rate 22.93%, trading value 809.968 million yuan - Airong Software: Closing price 57.70 yuan, down 8.03%, turnover rate 9.27%, trading value 661.923 million yuan - Xingtou Measurement and Control: Closing price 77.90 yuan, down 8.03%, turnover rate 18.16%, trading value 531.205 million yuan - Kobalt: Closing price 48.65 yuan, down 14.47%, turnover rate 59.97%, trading value 354.388 million yuan [1][2][3].

Market Overview - On April 22, the total trading volume of individual stocks on the Beijing Stock Exchange reached 1.519 billion shares, with a total transaction value of 31.381 billion yuan, a decrease of 1.024 billion yuan compared to the previous trading day [2] - Among the tradable stocks, 68 stocks closed higher, accounting for 25.66% of the total tradable stocks, while 194 stocks closed lower [2] Notable Performers - The stocks with the highest closing gains included Fangda New Materials, which surged by 29.94%, and Guangdao Digital, which increased by 19.67% [2][3] - Stocks with significant declines included Dir Chemical, which fell by 7.30%, and Kangbiter, which dropped by 7.12% [2] Trading Activity - A total of 102 stocks had transaction values exceeding 10 million yuan, with the highest transaction values recorded for Airong Software (1.226 billion yuan), Development Technology (875.194 million yuan), and Xingtou Measurement and Control (647.395 million yuan) [2] - The trading activity showed that 67 stocks had a turnover rate exceeding 10%, with 15 stocks exceeding 20% [2] Detailed Stock Performance - The top-performing stocks by closing price and turnover rate included: - Airong Software: Closing price of 61.58 yuan, up 4.67%, turnover rate of 15.58% [2] - Development Technology: Closing price of 121.88 yuan, up 3.30%, turnover rate of 23.09% [2] - Guangdao Digital: Closing price of 13.63 yuan, up 19.67%, turnover rate of 31.38% [3] Summary of Declining Stocks - Notable declining stocks included: - Dir Chemical: Closing price of 14.86 yuan, down 7.30%, turnover rate of 19.61% [3] - Kangbiter: Closing price of 24.51 yuan, down 7.12%, turnover rate of 7.90% [3] - Minshida: Closing price of 47.90 yuan, down 6.83%, turnover rate of 19.60% [2]