China Nonferrous MiningSTU:3N4 -2.78%57 OCF Margin % is 24.74% as of Dec. 2025, which is 35% above its 10-year median of 18.31. GuruFocus rates STU:3N4 with a GF Score™ of 57/100 and a GF Value™ of €0.52 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 846 Metals & Mining companies, China Nonferrous Mining ranks better than 75.3% on this metric.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Copper subindustry, China Nonferrous Mining's OCF Margin %, along with its competitors' market caps and OCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
China Nonferrous Mining OCF Margin % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, China Nonferrous Mining's OCF Margin % distribution charts can be found below:
* The bar in red indicates where China Nonferrous Mining's OCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
China Nonferrous Mining (STU:3N4) has a OCF Margin % of 24.74% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on China Nonferrous Mining and its competitors. This is 35% above median its historical median of 18.31. Over the past decade, China Nonferrous Mining's OCF Margin % has ranged from 9.29 to 27.45. According to the industry distribution chart, China Nonferrous Mining ranks #209 out of 846 companies in the Metals & Mining industry, placing it in the top 24.7%.
Is China Nonferrous Mining's OCF Margin % too high?
China Nonferrous Mining's current OCF Margin % of 24.74% is 35% above median its 10-year median of 18.31. Over the past 10 years, this metric has ranged from a low of 9.29 to a high of 27.45. The Metals & Mining industry median OCF Margin % is 4.47. China Nonferrous Mining's value of 24.74% is 454.1% above this industry median. Based on the distribution chart, China Nonferrous Mining ranks #209 out of 846 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, China Nonferrous Mining has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does China Nonferrous Mining's OCF Margin % compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, China Nonferrous Mining ranks #209 out of 846 companies for OCF Margin %. This places China Nonferrous Mining in the top 25% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 4.47. China Nonferrous Mining's value of 24.74% is 454.1% above this benchmark. Historically, China Nonferrous Mining's own OCF Margin % has ranged from 9.29 to 27.45 over the past decade. While the company's 10-year median is 18.31 vs. the industry median of 4.47, China Nonferrous Mining has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Metals & Mining company?
The median OCF Margin % among Metals & Mining companies is 4.47, based on 846 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. China Nonferrous Mining's current OCF Margin % of 24.74% is 454.1% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on China Nonferrous Mining and its competitors. For the Metals & Mining industry, the median OCF Margin % is 4.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. China Nonferrous Mining's current OCF Margin % is 24.74%, which is 35% above median its own 10-year median of 18.31. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is China Nonferrous Mining stock overvalued right now?
Based on GuruFocus' analysis, China Nonferrous Mining (STU:3N4) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.52, compared to a current price of €1.40 — trading 169.2% above its estimated fair value. The current OCF Margin % is 24.74%, which is 35% above median its 10-year median of 18.31 and 454.1% above the Metals & Mining industry median of 4.47. China Nonferrous Mining's overall GF Score™ is 57/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For China Nonferrous Mining (STU:3N4), the current OCF Margin % is 24.74% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is China Nonferrous Mining (STU:3N4) Overvalued in 2026?
Based on GuruFocus' analysis, China Nonferrous Mining stock appears to be overvalued.
The current stock price of €1.40 is trading 169.2% above its estimated GF Value™ of €0.52.
GuruFocus considers China Nonferrous Mining to be Significantly Overvalued.
Key valuation signals for STU:3N4:
OCF Margin %: 24.74% (35% above median its 10-year median of 18.31)
GF Value™: €0.52 vs. price of €1.40 (169.2% above fair value)
Industry Position: 454.1% above the Metals & Mining median (#209 of 846)
No single metric tells the full story. See the STU:3N4 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
China Nonferrous Mining Corp Ltd is a Company with its subsidiaries are principally engaged in exploration, mining, ore processing, leaching, smelting of copper and cobalt, and sale of copper cathodes, blister copper and copper anodes, copper-cobalt alloy, cobaltous hydroxide and sulfuric acid. Its operating segments are Leaching and Smelting. The majority of the company's revenue is derived from the Smelting segment. The smelting segment includes the production and sale of blister and copper anodes. Geographically, it derives a majority of revenue from Mainland China.
57GF Score
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