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Sunway Co., Ltd. — Investor Relations & Filings

Ticker · 603333 ISIN · CNE100001FQ8 LEI · 300300QDHZOPXAASUT58 Shanghai Stock Exchange Manufacturing
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Filings indexed 1,743 across all filing types
Latest filing 2026-05-20 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 603333

About Sunway Co., Ltd.

https://www.china3way.com/

Sunway Co., Ltd. specializes in the research, development, and manufacturing of radio frequency (RF) components and integrated solutions. The company's core product portfolio includes high-performance antennas, wireless charging modules, electromagnetic compatibility (EMC) and electromagnetic interference (EMI) solutions, and precision connectors. These components are primarily utilized in consumer electronics, such as smartphones, laptops, and wearable devices, as well as in the automotive and Internet of Things (IoT) sectors. Sunway provides end-to-end services ranging from initial design and simulation to mass production and testing. By leveraging advanced materials science and precision engineering, the firm supports high-speed data transmission and wireless connectivity requirements for global technology manufacturers. Its technical expertise extends to 5G communication modules and acoustic components, ensuring comprehensive hardware support for modern mobile communication infrastructure.

Recent filings

Filing Released Lang Actions
尚纬股份有限公司资产减值测试涉及的四川海创尚纬新能源科技有限公司股权可收回金额估值报告
Regulatory Filings Classification · 25% confidence The document is a standalone valuation report (估值报告) prepared by an independent asset‐valuation firm for an asset impairment test of equity holdings. It contains detailed valuation methods, assumptions, and conclusions – not an annual or interim financial report, audit report, earnings release, or management discussion. There is no specific category for valuation reports in the taxonomy, so it falls into the general “Regulatory Filings” fallback category (RNS).
2026-05-20 Chinese
尚纬股份有限公司关于上海证券交易所对公司2025年年度报告的信息披露监管问询函的回复
Regulatory Filings Classification · 90% confidence The document is a public announcement titled “Reply to the Shanghai Stock Exchange’s regulatory inquiry letter on the company’s 2025 annual report disclosure.” It does not contain the full annual report itself or standalone financial statements, but is a formal response to an exchange inquiry. It meets the criteria for a general regulatory filing rather than the actual report or a notice of report publication. Accordingly, this is classified as a Regulatory Filing (RNS).
2026-05-20 Chinese
容诚会计师事务所（特殊普通合伙）关于上海证券交易所对尚纬股份有限公司2025年年度报告的信息披露监管问询函的回复
Regulatory Filings Classification · 75% confidence The document is a formal reply by the company’s annual auditor (RSM) to an information-disclosure regulatory inquiry (“监管问询函”) issued by the Shanghai Stock Exchange regarding the 2025 annual report. It is not the annual report itself, nor an earnings release or investor presentation, but rather an auditor’s response to a regulatory query. This falls under miscellaneous regulatory filings.
2026-05-20 Chinese
尚纬股份有限公司2026年第二次临时股东会法律意见书
Legal Proceedings Report Classification · 75% confidence The document is a legal opinion letter (“法律意见书”) provided by Zhong Lun law firm regarding the convening, procedure, eligibility, and voting results of a 2026 second extraordinary general shareholders’ meeting. It is not an investor presentation, earnings release, proxy solicitation, or management commentary. Instead, it is a legal opinion on a corporate event, which falls under “Legal Proceedings Report” (LTR) for legal matters involving the company.
2026-05-15 Chinese
尚纬股份有限公司2026年第二次临时股东会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is a formal announcement of the resolutions and detailed voting results from the company’s 2026 second extraordinary general meeting (股东会决议公告), including attendance, vote counts, and lawyer witness statements. This matches the definition of a Declaration of Voting Results & Voting Rights Announcement (DVA).
2026-05-15 Chinese
2025年度营业收入扣除情况的专项审核报告
Audit Report / Information Classification · 95% confidence The document is titled “2025年度营业收入扣除情况的专项审核报告” and is issued by 容诚会计师事务所 as a special audit report on the company’s revenue deduction schedule. It contains attest procedures, auditor’s opinion, and is a standalone assurance engagement rather than a full annual report or simple announcement. Therefore, it is classified as an Audit Report / Information.
2026-05-14 Chinese

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