Keystone Technology Co.,Ltd. — Investor Relations & Filings
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 |
|---|---|---|---|
| 关于为子公司提供信用担保的进展公告 | 2026-05-11 | Chinese | |
| 2025年年度股东会决议公告 | 2026-04-16 | Chinese | |
| 北京市金杜（南京）律师事务所关于南京冠石科技股份有限公司2025年年度股东会之法律意见书 | 2026-04-16 | Chinese | |
| 中信建投证券股份有限公司关于南京冠石科技股份有限公司向特定对象发行股票之发行保荐书 | 2026-04-03 | Chinese | |
| 发行人及保荐机构关于审核问询函的回复（修订稿） | 2026-04-03 | Chinese | |
| 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） | 2026-04-03 | Chinese |
Browse filings by year
6 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 45017899 | 关于为子公司提供信用担保的进展公告 | 2026-05-11 | Chinese | ||
| 44536956 | 2025年年度股东会决议公告 | 2026-04-16 | Chinese | ||
| 44536955 | 北京市金杜（南京）律师事务所关于南京冠石科技股份有限公司2025年年度股东会之法律意见书 | 2026-04-16 | Chinese | ||
| 44536952 | 中信建投证券股份有限公司关于南京冠石科技股份有限公司向特定对象发行股票之发行保荐书 | 2026-04-03 | Chinese | ||
| 44536939 | 发行人及保荐机构关于审核问询函的回复（修订稿） | 2026-04-03 | Chinese | ||
| 44536892 | 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） | 2026-04-03 | Chinese | ||
| 44536753 | 南京冠石科技股份有限公司2025年度向特定对象发行股票募集说明书（修订稿） | 2026-04-03 | Chinese | ||
| 44536661 | 北京市金杜律师事务所关于南京冠石科技股份有限公司向特定对象发行股票的补充法律意见书（一） | 2026-04-03 | Chinese | ||
| 44536634 | 发行人最近一年的财务报告及其审计报告以及最近一期的财务报告 | 2026-04-03 | Chinese | ||
| 44536484 | 2025年年度股东会会议资料 | 2026-04-03 | Chinese | ||
| 44536474 | 关于向特定对象发行股票募集说明书等申请文件更新的提示性公告 | 2026-04-03 | Chinese | ||
| 44536462 | 中信建投证券股份有限公司关于南京冠石科技股份有限公司向特定对象发行股票之上市保荐书 | 2026-04-03 | Chinese | ||
| 44536437 | 关于完成工商变更登记并换发营业执照的公告 | 2026-04-01 | Chinese | ||
| 44536430 | 证券发行保荐书 | 2026-03-26 | Chinese | ||
| 44536416 | 发行人及保荐机构关于审核问询函的回复 | 2026-03-26 | Chinese | ||
Market data
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Price history
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Keystone Technology Co.,Ltd. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/58056/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=58056 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=58056 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=58056 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 58056}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Keystone Technology Co.,Ltd. (id: 58056)"
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