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SF DIAMOND CO.,LTD. — Investor Relations & Filings

Ticker · 300179 ISIN · CNE100001021 Shenzhen Stock Exchange Manufacturing
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Filings indexed 1,625 across all filing types
Latest filing 2020-05-18 Annual Report
Country CN China
Listing Shenzhen Stock Exchange 300179

About SF DIAMOND CO.,LTD.

https://www.sf-diamond.com

SF DIAMOND CO.,LTD. specializes in the research, development, and manufacturing of superhard materials and related products. The company's core portfolio includes Polycrystalline Diamond (PCD) and Polycrystalline Cubic Boron Nitride (PCBN) cutters and blanks. These materials are engineered for high-performance applications in demanding sectors such as oil and gas exploration, coal mining, stone processing, and precision metalworking. SF Diamond focuses on providing solutions characterized by exceptional hardness, wear resistance, and thermal stability. Its products are utilized in the production of cutting tools, drill bits, and wear-resistant components for the automotive, aerospace, and energy industries. The company emphasizes technological innovation and quality control to maintain its position as a global supplier of advanced composite superhard materials.

Recent filings

Filing Released Lang Actions
关于对公司的2019年年报问询函的回复
Annual Report Classification · 95% confidence The document is a detailed response to an inquiry letter regarding the 2019 annual report of Henan Sifangda Superhard Materials Co., Ltd. It contains extensive financial data, explanations of revenue and profit changes, customer and supplier details, audit procedures, and management's explanations. The presence of detailed financial figures, audit opinions, and management's responses to specific questions about the annual financial performance clearly indicates this is part of the Annual Report documentation. The document is lengthy (15,000 characters) and contains substantive financial data and analysis, not merely an announcement or certification. Therefore, it fits the definition of an Annual Report (10-K). FY 2019
2020-05-18 Chinese
关于对深圳证券交易所年报问询函回复的公告
Annual Report Classification · 95% confidence The document is a detailed response to an inquiry letter from the Shenzhen Stock Exchange regarding the company's 2019 annual report. It contains extensive financial data, explanations of revenue, profit, cost structures, customer and supplier details, goodwill impairment testing, and auditor opinions. The content is focused on clarifying and supplementing the annual report information, including audited financial figures and management explanations. The document is lengthy (15,000 characters) and contains substantive financial data and analysis, not merely an announcement or certification. Therefore, it is classified as an Annual Report (10-K) type filing, as it corresponds to a full-year financial performance report with detailed disclosures and audit opinions. FY 2019
2020-05-18 Chinese
关于控股股东部分股份解除质押的公告
Regulatory Filings Classification · 95% confidence The document is a public announcement regarding the release of pledged shares by a controlling shareholder. It details the number of shares released from pledge, the shareholder's total pledged shares, and confirms no change in control or risk of forced transfer. The document is short (1570 characters) and focuses on share pledge status, not financial results or management changes. It does not contain financial statements or detailed financial data. This fits the category of a Regulatory Filing (RNS) as it is a regulatory disclosure about share pledge status, not a financial report or capital change announcement.
2020-05-14 Chinese
北京市华城律师事务所关于公司2018年限制性股票激励计划调整限制性股票回购价格之法律意见书
Legal Proceedings Report Classification · 95% confidence The document is a legal opinion letter issued by a law firm regarding the adjustment of the repurchase price of restricted stocks under a 2018 stock incentive plan of a company. It discusses legal compliance, approvals by the board and shareholders, and adjustments to stock repurchase prices due to dividends and other corporate actions. The document is not a financial report, earnings release, or management discussion, but a legal opinion related to a specific corporate action involving stock incentives. It does not announce voting results, changes in management, nor is it a regulatory filing or report publication announcement. The content fits best under a category related to legal proceedings or legal opinions on corporate actions. Given the options, the closest and most appropriate classification is Legal Proceedings Report (LTR).
2020-04-28 Chinese
第四届董事会第二十二次会议决议公告
Board/Management Information Classification · 95% confidence The document is a formal announcement of resolutions passed at a board meeting of Henan Sifangda Superhard Materials Co., Ltd. It includes the approval of the 2020 Q1 report and an adjustment to the restricted stock repurchase price. The document is short (892 characters) and references that the full 2020 Q1 report details are available on an external website (cninfo.com.cn). It does not contain the actual financial statements or detailed financial data itself, but rather announces the board's decisions and voting results. This fits the category of Board/Management Information (MANG), as it reports on board meeting resolutions and management decisions rather than providing the full quarterly report or financial data. Therefore, the correct classification is MANG with high confidence.
2020-04-28 Chinese
2020年第一季度报告披露提示性公告
Report Publication Announcement Classification · 100% confidence The document is a short announcement (502 characters) stating that the company's 2020 first quarter report has been disclosed on a public information website. It explicitly mentions that the full quarterly report is available elsewhere and this document serves as a notice to investors to review it. There is no substantive financial data or detailed analysis within this text itself. According to the 'MENU VS MEAL' rule, this is a report publication announcement rather than the report itself. Therefore, the correct classification is Report Publication Announcement (RPA).
2020-04-28 Chinese

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