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Keystone Technology Co.,Ltd. — Investor Relations & Filings

Ticker · 605588 ISIN · CNE1000050R9 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 637 across all filing types
Latest filing 2026-05-18 Share Issue/Capital Cha…
Country CN China
Listing Shanghai Stock Exchange 605588

About Keystone Technology Co.,Ltd.

https://www.njkeystone.com/english/inde…

Keystone Technology Co., Ltd. specializes in the design and manufacture of high-precision semiconductor testing interfaces and hardware. The company’s core product line includes advanced probe cards, such as MEMS, vertical, and cantilever types, alongside high-performance load boards and burn-in boards. These solutions are engineered to facilitate rigorous electrical testing and validation of integrated circuits (ICs) during the wafer and packaging stages. Serving a diverse range of IC design firms and outsourced semiconductor assembly and test (OSAT) providers, the company focuses on delivering high-density, high-speed testing capabilities. Its technical expertise encompasses precision machining and signal integrity optimization, providing critical infrastructure for the production of reliable semiconductor components used in telecommunications, computing, and automotive electronics.

Recent filings

Filing Released Lang Actions
第三届董事会第四次会议决议公告
Share Issue/Capital Change Classification · 80% confidence The document is the board of directors’ resolution announcement regarding adjustments to a proposed specific-object share issuance (2025年度向特定对象发行股票方案), i.e. a corporate decision on share issuance and capital change. This fits the “Share Issue/Capital Change” category (Code: SHA).
2026-05-18 Chinese
第三届董事会独立董事专门会议2026年第一次会议决议
Share Issue/Capital Change Classification · 82% confidence The document is an independent directors’ resolution from the company’s board meeting approving adjustments to its non-public share issuance plan (2025年度向特定对象发行股票方案). It relates to a change in capital structure (private placement of shares) rather than reporting financial results or describing management changes. This falls under Share Issue/Capital Change (SHA).
2026-05-18 Chinese
证券发行保荐书
Share Issue/Capital Change Classification · 92% confidence The document is a sponsor’s underwriting/pre‐issuance recommendation (“发行保荐书”) by China Securities Co., Ltd. for Nanjing Keystone Technology Co., Ltd.’s targeted share issuance to specific investors. It is a detailed regulatory prospectus‐style document for a new equity issuance (private placement), containing the sponsor’s declarations, detailed financial statements, shareholding structure before/after the issue, use of proceeds, legal and regulatory compliance analyses, etc. This aligns with a “Share Issue/Capital Change” rather than an annual or interim report, management announcement, or dividend notice. Therefore, the correct classification is Share Issue/Capital Change (SHA).
2026-05-18 Chinese
证券募集说明书（修订稿）
Capital/Financing Update Classification · 85% confidence The document is a detailed “募集说明书” (offering prospectus) for the company’s 2025 private placement of new A-shares to specific investors. It outlines the authorization, pricing, size, use of proceeds, risk factors, governance, and legal approvals—all characteristics of a fundraising/financing document for a share issuance. This falls under “Capital/Financing Update” rather than a simple press announcement or regulatory filing.
2026-05-18 Chinese
关于2025年度向特定对象发行股票预案（修订稿）披露的提示性公告
Share Issue/Capital Change Classification · 90% confidence The document is a formal company announcement concerning the 2025 plan for issuing new shares to specific investors (non-public placement), including board approval of a revised issuance scheme and fundraising amount. This is a substantive capital change notice (new share issuance), fitting the Share Issue/Capital Change category (SHA), rather than a simple notice of report publication or another category.
2026-05-18 Chinese
关于2025 年度向特定对象发行股票预案修订情况说明的公告
Share Issue/Capital Change Classification · 92% confidence The document is an announcement (“公告”) by Nanjing Guanshi Technology Co., Ltd. detailing revisions to its private placement plan (“向特定对象发行股票预案修订情况说明”), including adjustments to issuance quantity caps and fundraising amounts. This is a share issuance/capital change event rather than a financial report, board change, or dividend notice. It directly relates to issuing new shares and altering the company’s capital structure, matching the Share Issue/Capital Change category.
2026-05-18 Chinese

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