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

Ticker · 605588 Shanghai Stock Exchange Manufacturing
Filings indexed 626 across all filing types
Latest filing 2026-03-26 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 605588

About Keystone Technology Co.,Ltd.

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
信永中和会计师事务所(特殊普通合伙)关于南京冠石科技股份有限公司向特定对象发行股票申请文件的审核问询函回复之专项核查意见(修订稿)
Regulatory Filings
2026-03-26 Chinese
上市保荐书
Regulatory Filings
2026-03-26 Chinese
证券募集说明书(修订稿)
Regulatory Filings
2026-03-26 Chinese
关于开展金融衍生品交易业务的可行性分析报告
Regulatory Filings
2026-03-23 Chinese
2025年度内部控制审计报告
Regulatory Filings
2026-03-23 Chinese
2025年度独立董事述职报告-江小三
Regulatory Filings
2026-03-23 Chinese

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