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Shanghai Carthane Co., Ltd — Investor Relations & Filings

Ticker · 603037 ISIN · CNE100002Z73 Shanghai Stock Exchange Manufacturing
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Filings indexed 1,058 across all filing types
Latest filing 2026-03-30 Capital/Financing Update
Country CN China
Listing Shanghai Stock Exchange 603037

About Shanghai Carthane Co., Ltd

https://www.carthane.com/enindex

Shanghai Carthane Co., Ltd. specializes in the research, development, production, and sale of high-performance polyurethane elastomers and automotive components. The company's core product portfolio includes polyurethane shock absorption components such as jounce bumpers, spring seats, and dust covers, as well as lightweight pedal assemblies for brake, clutch, and accelerator systems. Utilizing advanced material science, the firm provides customized vibration control and structural solutions designed to enhance vehicle comfort and safety. Its products are widely integrated into the global automotive supply chain, serving major original equipment manufacturers and Tier 1 suppliers. The company focuses on technical innovation in polyurethane formulations and precision manufacturing processes to meet rigorous performance standards for vehicle dynamics and durability.

Recent filings

Filing Released Lang Actions
国泰海通证券股份有限公司关于上海凯众材料科技股份有限公司2025年度募集资金存放与使用情况的核查意见
Capital/Financing Update Classification · 95% confidence The document is a detailed report from Guotai Haitong Securities Co., Ltd. regarding the 2025 annual verification opinion on the deposit and use of raised funds by Shanghai Kaizhong Materials Technology Co., Ltd. It includes specifics about the amount of convertible bonds issued, the management and use of the raised funds, compliance with relevant laws and regulations, and an auditor's verification report. The document contains substantive financial data, tables of fund usage, and detailed descriptions of fund management and investment projects. It is not a brief announcement or a certification letter but a comprehensive report on the use of raised funds for the year 2025. This fits the category of a Capital/Financing Update (CAP), as it focuses on fundraising activities, the use of proceeds, and compliance with regulatory requirements related to capital raising. The document length and content confirm it is not merely an announcement but a full report on fundraising and capital use.
2026-03-30 Chinese
2025年度内部控制评价报告
Audit Report / Information Classification · 95% confidence The document is titled as an "Internal Control Evaluation Report" for the year 2025 by Shanghai Kaizhong Materials Technology Co., Ltd. It discusses the evaluation of the company's internal control effectiveness as of December 31, 2025, including financial and non-financial internal control defects, audit opinions, and corrective actions. The content is focused on internal control evaluation rather than a full annual report or audit report. It is a standalone report on internal control evaluation, which aligns with the category of Audit Report / Information (AR), as it includes applied accounting principles and internal control assessment results but is not a full annual report (10-K). The document length is 4081 characters, which is sufficient for a detailed report but not an announcement. Therefore, the best classification is AR with high confidence. FY 2025
2026-03-30 Chinese
2025年年度股东会会议资料
AGM Information Classification · 100% confidence The document is titled as "2025 年年度股东会会议资料" which translates to "2025 Annual General Meeting (AGM) Meeting Materials". It contains detailed information about the AGM including meeting notices, agenda, voting procedures, and multiple proposals to be discussed and voted on during the AGM. The document includes reports such as the 2025 Board Work Report, the 2025 Annual Report and its summary, the proposal to reappoint the 2026 audit firm, profit distribution policies, and director remuneration proposals. It also includes instructions for shareholders on meeting conduct and voting. The document is clearly a set of materials prepared for the Annual General Meeting, not the Annual Report itself or any other type of filing. Therefore, it fits the definition of AGM Information (AGM-R). The document length is over 10,000 characters and contains substantive content, not just an announcement or a brief notice, confirming it is the meeting materials themselves.
2026-03-30 Chinese
董事会审计委员会2025年度履职情况报告
Audit Report / Information Classification · 95% confidence The document is a detailed report from the Board Audit Committee of Shanghai Kaizhong Materials Technology Co., Ltd. for the year 2025. It describes the committee's composition, meetings held, audit supervision activities, internal audit guidance, internal control evaluation, and overall assessment of the audit work. The content focuses on the audit committee's duties and their fulfillment over the year, which aligns with an Audit Report / Information filing. The document is not an announcement or a brief summary but a substantive report on audit committee activities and oversight, thus it is not a Regulatory Filing or Report Publication Announcement. The length is under 5,000 characters but the content is substantive and detailed, consistent with an Audit Report. Therefore, the appropriate classification is AR (Audit Report / Information). FY 2025
2026-03-30 Chinese
对会计师事务所2025年度履职情况评估报告
Audit Report / Information Classification · 95% confidence The document is titled as an evaluation report on the performance of the accounting firm (auditor) for the year 2025. It details the qualifications, independence, quality control, and audit work plan of the auditor for the company's 2025 annual audit. It does not contain the actual audited financial statements or the full audit report itself, but rather an assessment of the auditor's performance and compliance with regulations. The document length is under 5,000 characters and it is a standalone evaluation report related to audit activities, not the audit report itself or the annual report. Therefore, it fits best under the category of Audit Report / Information (AR). FY 2025
2026-03-30 Chinese
关于回购注销部分限制性股票通知债权人的公告
Share Issue/Capital Change Classification · 95% confidence The document is a public announcement by Shanghai Kaizhong Materials Technology Co., Ltd. regarding the repurchase and cancellation of some restricted shares, which leads to a reduction in registered capital. It notifies creditors about their rights to claim debts or request guarantees within specified periods. The document includes legal references and procedural details for creditors to submit claims. It is not a financial report, earnings release, or management discussion. It is a formal notification related to a capital change event (repurchase and cancellation of shares) and the associated legal obligations to notify creditors. Therefore, it fits best under the category of Share Issue/Capital Change (SHA). The document length is short and it is not merely an announcement of a report but a substantive notification about capital structure changes and creditor rights.
2026-03-30 Chinese

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