Group 1 - The stock price of Zhongya Co., Ltd. (300512) closed at 10.11 yuan on February 2, 2026, down by 1.46% with a turnover rate of 2.54% and a trading volume of 82,400 shares, amounting to a transaction value of 84.41 million yuan [1][2] - On February 2, 2026, the net outflow of funds from major investors was 861,800 yuan, while retail investors saw a net inflow of 992,050 yuan [1][2] Group 2 - Zhongya Co., Ltd. used 20 million yuan of its own funds to purchase a structured deposit product called "Tianlibao" from Hangzhou Bank, which is a principal-protected floating income type with a term of 26 days [1][2] - The expected annualized return of the investment is based on the fluctuation of the EUR/USD exchange rate, with potential rates of 0.45%, 1.98%, or 2.18% [1][2] - The investment falls within the authorized limit of the company's shareholders' meeting and will not affect the company's normal operations, with independent directors and the audit department overseeing the use of the investment funds [1]

Core Viewpoint - Zhongya Co., Ltd. (300512) has announced the use of part of its own funds for entrusted wealth management, indicating a strategic move to enhance returns on idle cash [1] Group 1: Stock Performance - As of February 2, 2026, Zhongya Co., Ltd. closed at 10.11 yuan, down 1.46% from the previous trading day [1] - The stock opened at 10.22 yuan, reached a high of 10.4 yuan, and a low of 10.09 yuan, with a trading volume of 84.41 million yuan and a turnover rate of 2.54% [1] Group 2: Wealth Management Announcement - The company disclosed an announcement regarding the use of 20 million yuan of its own funds to purchase a structured deposit from Hangzhou Bank, linked to exchange rates [1] - The product is a principal-protected floating income type with a term of 26 days, starting on February 2, 2026, and maturing on February 28, 2026 [1] - The expected annualized return varies based on the EUR/USD spot exchange rate, with potential rates of 0.45%, 1.98%, or 2.18% [1] - This investment falls within the authorized limit of the company's shareholders' meeting and will not affect normal operations [1] - The company has completed the necessary approval procedures, and the independent directors and audit department will supervise the use of the wealth management funds [1]

关于使用部分自有资金进行委托理财的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 2025 年 5 月 19 日，杭州中亚机械股份有限公司（以下简称"公司"）召开 2024 年度股东大会，审议通过《关于使用部分自有资金进行委托理财的议案》。同意 在保证公司正常经营的情况下，公司（含合并范围内子公司）使用不超过 4 亿元 的自有资金进行委托理财，自公司股东大会审议通过之日起 12 个月内有效。在 上述额度及决议有效期内，用于委托理财的资本金可循环使用，但委托理财获取 的收益进行再投资，再投资的金额不应包含在初始投资金额内，且决议有效期内 任一时点的交易金额（含前述投资的收益进行再投资的相关金额）不应超过投资 额度。 2026 年 2 月 2 日，公司通过杭州银行网上银行购买杭州银行"添利宝"结 构性存款（挂钩汇率 B 款）2,000.00 万元。具体情况如下： 证券代码：300512 证券简称：中亚股份 公告编号：2026-007 杭州中亚机械股份有限公司 公司通过杭州银行网上银行系统签署了《杭州银行"添利宝"结构性存款协议 （挂钩汇率 B 款）》，主 ...

证券代码：300512 证券简称：中亚股份 公告编号：2026-006 杭州中亚机械股份有限公司 三、备查文件 本次委托理财的交易凭证。 2026 年 1 月 28 日，公司赎回前期购买的杭州银行"添利宝"结构性存款（挂 钩汇率 B 款）20,005,945.21 元，实现投资收益 5,945.21 元。具体情况如下： 二、公告日前十二个月内进行委托理财的情况 | 购买 | 受托人 | 产品名称 | | 金额 | 产品类型 | 购买日 | 赎回日 | 预计年化收 | 备注 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 主体 | 名称 | | | （万元） | | | | 益率 | | | 公司 | 中信证券 | 中亚股份 2 | 月 日 10 | 3,000.00 | 质押式报价 | 2025/02/10 | 2025/02/24 | 1.65% | 已赎 回 | | | | 天 14 | | | 回购 | | | | | 购买主体 产品名称 金额（元） 产品类型 购买日/起始日 赎回日/到期日 投资收益（元） 公司 杭州银 ...

证券代码：300512 证券简称：中亚股份 公告编号：2026-005 杭州中亚机械股份有限公司 | | 杭州银行股 | 杭州银行"添利宝" | | | | | | --- | --- | --- | --- | --- | --- | --- | | 公司 | 份有限公司 | 结构性存款（挂钩汇 | 2,000.00 | 保本浮动收益型 | 0.45-1.75% | 自有资金 | | | | 率 B 款） | | | | | 关于使用部分自有资金进行委托理财的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 2025 年 5 月 19 日，杭州中亚机械股份有限公司（以下简称"公司"）召开 2024 年度股东大会，审议通过《关于使用部分自有资金进行委托理财的议案》。同意 在保证公司正常经营的情况下，公司（含合并范围内子公司）使用不超过 4 亿元 的自有资金进行委托理财，自公司股东大会审议通过之日起 12 个月内有效。在 上述额度及决议有效期内，用于委托理财的资本金可循环使用，但委托理财获取 的收益进行再投资，再投资的金额不应包含在初始投资金额内，且决议 ...

Core Viewpoint - The company announced a change in its signing registered accountants for the 2025 financial statements and internal control audit, with a new appointee replacing one of the previous accountants [1] Group 1 - The company received a letter from Tianjian Accounting Firm regarding the change of signing registered accountants on January 13, 2026 [1] - The original signing accountants were Jin Chenxi and Xu Wenhao, with Xu Wenhao being replaced by Chen Danping due to work arrangement adjustments [1] - The new signing registered accountants are Jin Chenxi and Chen Danping [1]

证券代码：300512 证券简称：中亚股份 公告编号：2026-004 杭州中亚机械股份有限公司 关于审计机构变更签字注册会计师的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 杭州中亚机械股份有限公司（以下简称"公司"）于 2025 年 4 月 27 日召开 第五届董事会第七次会议及第五届监事会第六次会议，于 2025 年 5 月 19 日召开 2024 年度股东大会，审议通过《关于拟续聘会计师事务所的议案》，同意公司续 聘天健会计师事务所（特殊普通合伙）（以下简称"天健所"）担任公司 2025 年 度财务审计机构及内控审计机构。具体内容详见 2025 年 4 月 29 日公司于巨潮资 讯网（http：//www.cninfo.com.cn）披露的《关于拟续聘会计师事务所的公告》。 公司于 2026 年 1 月 13 日收到天健所出具的《关于变更签字注册会计师的函》， 现就相关情况公告如下： 一、本次变更情况 天健所作为公司2025年度财务报表和2025年末财务报告内部控制审计机构， 原委派金晨希和徐文豪作为签字注册会计师。由于工作安排调整，现委派陈丹 ...

Core Viewpoint - The company announced a share reduction plan by key executives due to personal financial needs, which will not affect the company's control or governance structure [1] Group 1: Share Reduction Details - The Chief Engineer, Ji Yonglin, plans to reduce his holdings by up to 14,000 shares, representing 0.0034% of the total share capital [1] - The Vice President, Jin Weidong, intends to reduce his holdings by up to 21,500 shares, accounting for 0.0053% of the total share capital [1] - The Financial Director, Lu Zhifeng, will reduce his holdings by up to 7,000 shares, which is 0.0017% of the total share capital [1] Group 2: Shareholding Background - The shares being reduced were obtained through stock incentive plans and are subject to market price conditions during the reduction period [1] - The reduction plan aligns with previously disclosed intentions and commitments by the shareholders [1] Group 3: Regulatory Compliance - The company confirms that the share reduction does not violate any regulations outlined in the Shenzhen Stock Exchange's guidelines for shareholder and executive share reductions [1] - The company will disclose the progress of the reduction plan as required by regulations [1]

Core Viewpoint - Central to the announcement is the planned share reduction by key executives of Zhongya Co., Ltd., indicating potential changes in insider ownership and market sentiment towards the company [1] Group 1: Share Reduction Plans - Executive Ji Yonglin, holding 56,250 shares (0.0137% of total shares), plans to reduce his holdings by up to 14,000 shares (0.0034% of total shares) within three months after a 15 trading day period from the announcement date [1] - Executive Jin Weidong, holding 86,250 shares (0.0211% of total shares), intends to reduce his holdings by up to 21,500 shares (0.0053% of total shares) within the same timeframe [1] - Executive Lu Zhifeng, holding 28,125 shares (0.0069% of total shares), plans to reduce his holdings by up to 7,000 shares (0.0017% of total shares) within the specified period [1]

3、公司于2026年1月9日收到公司财务总监卢志锋的《股份减持计划告知函》。持有公司股份28,125股 （占公司总股本比例0.0069%）的公司高级管理人员卢志锋计划在自本公告披露之日起15个交易日后三 个月内以集中竞价方式减持公司股份不超过7,000股（占公司总股本比例0.0017%）。 格隆汇1月9日丨中亚股份(300512.SZ)公布，1、杭州中亚机械股份有限公司于2026年1月9日收到公司董 事、总工程师吉永林的《股份减持计划告知函》。持有公司股份56,250股（占公司总股本比例 0.0137%）的公司董事、高级管理人员吉永林计划在自本公告披露之日起15个交易日后三个月内以集中 竞价方式减持公司股份不超过14,000股（占公司总股本比例0.0034%）。 2、公司于2026年1月9日收到公司董事、副总裁金卫东的《股份减持计划告知函》。持有公司股份 86,250股（占公司总股本比例0.0211%）的公司董事、高级管理人员金卫东计划在自本公告披露之日起 15个交易日后三个月内以集中竞价方式减持公司股份不超过21,500股（占公司总股本比例0.0053%）。 ...