China Nonferrous MiningSTU:3N4 -5.43%58 Net Margin % is 8.45% as of Dec. 2025, which is 14% above its 10-year median of 7.41. GuruFocus rates STU:3N4 with a GF Score™ of 58/100 and a GF Value™ of €0.52 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 842 Metals & Mining companies, China Nonferrous Mining ranks better than 68.29% on this metric.
The historical rank and industry rank for China Nonferrous Mining's Net Margin % or its related term are showing as below:
STU:3N4'
s Net Margin % Range Over the Past 10 Years
Min: 0.9 Med: 7.41 Max: 11.84
Current: 11.84
STU:3N4's Net Margin % is ranked better than 68.29% of 842
companies
in the Metals & Mining industry
Industry Median: 3.405
vs STU:3N4: 11.84
China Nonferrous Mining (STU:3N4) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
China Nonferrous Mining Net Margin % Related Terms
China Nonferrous Mining Net Margin % Historical Data
* 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 Net Margin %, along with its competitors' market caps and Net 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 Net Margin % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, China Nonferrous Mining's Net Margin % distribution charts can be found below:
* The bar in red indicates where China Nonferrous Mining's Net 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 Net Margin % of 8.45% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on China Nonferrous Mining and its competitors. This is 14% above median its historical median of 7.41. Over the past decade, China Nonferrous Mining's Net Margin % has ranged from 0.90 to 11.84. According to the industry distribution chart, China Nonferrous Mining ranks #267 out of 842 companies in the Metals & Mining industry, placing it in the top 31.7%.
Is China Nonferrous Mining's Net Margin % too high?
China Nonferrous Mining's current Net Margin % of 8.45% is 14% above median its 10-year median of 7.41. Over the past 10 years, this metric has ranged from a low of 0.90 to a high of 11.84. The Metals & Mining industry median Net Margin % is 3.41. China Nonferrous Mining's value of 8.45% is 148.2% above this industry median. Based on the distribution chart, China Nonferrous Mining ranks #267 out of 842 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, China Nonferrous Mining has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does China Nonferrous Mining's Net Margin % compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, China Nonferrous Mining ranks #267 out of 842 companies for Net Margin %. This puts China Nonferrous Mining in the upper half of its industry. The industry median Net Margin % is 3.41. China Nonferrous Mining's value of 8.45% is 148.2% above this benchmark. Historically, China Nonferrous Mining's own Net Margin % has ranged from 0.90 to 11.84 over the past decade. While the company's 10-year median is 7.41 vs. the industry median of 3.41, 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 Net Margin % for a Metals & Mining company?
The median Net Margin % among Metals & Mining companies is 3.41, based on 842 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. China Nonferrous Mining's current Net Margin % of 8.45% is 148.2% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on China Nonferrous Mining and its competitors. For the Metals & Mining industry, the median Net Margin % is 3.41 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. China Nonferrous Mining's current Net Margin % is 8.45%, which is 14% above median its own 10-year median of 7.41. 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 €1.22 — trading 134.6% above its estimated fair value. The current Net Margin % is 8.45%, which is 14% above median its 10-year median of 7.41 and 148.2% above the Metals & Mining industry median of 3.41. China Nonferrous Mining's overall GF Score™ is 58/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For China Nonferrous Mining (STU:3N4), the current Net Margin % is 8.45% 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 €1.22 is trading 134.6% above its estimated GF Value™ of €0.52.
GuruFocus considers China Nonferrous Mining to be Significantly Overvalued.
Key valuation signals for STU:3N4:
Net Margin %: 8.45% (14% above median its 10-year median of 7.41)
GF Value™: €0.52 vs. price of €1.22 (134.6% above fair value)
Industry Position: 148.2% above the Metals & Mining median (#267 of 842)
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.
58GF Score
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