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CSD Water Service CoSHSE:603903 +3.44%52 Net Margin % is 12.44% as of Mar. 2026, which is 43% above its 10-year median of 8.72. GuruFocus rates SHSE:603903 with a GF Score™ of 52/100 and a GF Value™ of ¥6.51 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 236 Waste Management companies, CSD Water Service Co ranks worse than 75.42% on this metric.
CSD Water Service Co (SHSE:603903) 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.
CSD Water Service Co Net Margin % Related Terms
CSD Water Service Co Net Margin % Historical Data
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The historical data trend for CSD Water Service Co's Net Margin % can be seen below:
* 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.
SHSE:603903 vs WM, RSG, WCN: Net Margin % Comparison
For the Waste Management subindustry, CSD Water Service Co'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.
CSD Water Service Co Net Margin % vs Waste Management Industry
For the Waste Management industry and Industrials sector, CSD Water Service Co's Net Margin % distribution charts can be found below:
* The bar in red indicates where CSD Water Service Co'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.
CSD Water Service Co (SHSE:603903) has a Net Margin % of 12.44% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on CSD Water Service Co and its competitors. This is 43% above median its historical median of 8.72. According to the industry distribution chart, CSD Water Service Co ranks #178 out of 236 companies in the Waste Management industry, placing it in the top 75.4%.
Is CSD Water Service Co's Net Margin % too high?
CSD Water Service Co's current Net Margin % of 12.44% is 43% above median its 10-year median of 8.72. The Waste Management industry median Net Margin % is 4.08. CSD Water Service Co's value of 12.44% is 205.3% above this industry median. Based on the distribution chart, CSD Water Service Co ranks #178 out of 236 companies in the Waste Management industry, which is in the bottom quartile relative to peers. Overall, CSD Water Service Co has a GF Score™ of 52/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does CSD Water Service Co's Net Margin % compare to WM and RSG?
According to the Waste Management industry distribution chart, CSD Water Service Co ranks #178 out of 236 companies for Net Margin %. This places CSD Water Service Co in the lower half of its industry. The industry median Net Margin % is 4.08. CSD Water Service Co's value of 12.44% is 205.3% above this benchmark. While the company's 10-year median is 8.72 vs. the industry median of 4.08, CSD Water Service Co 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 Waste Management company?
The median Net Margin % among Waste Management companies is 4.08, based on 236 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. CSD Water Service Co's current Net Margin % of 12.44% is 205.3% 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 CSD Water Service Co and its competitors. For the Waste Management industry, the median Net Margin % is 4.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CSD Water Service Co's current Net Margin % is 12.44%, which is 43% above median its own 10-year median of 8.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CSD Water Service Co stock overvalued right now?
Based on GuruFocus' analysis, CSD Water Service Co (SHSE:603903) is currently considered Significantly Overvalued. The stock's GF Value™ is ¥6.51, compared to a current price of ¥11.43 — trading 75.6% above its estimated fair value. The current Net Margin % is 12.44%, which is 43% above median its 10-year median of 8.72 and 205.3% above the Waste Management industry median of 4.08. CSD Water Service Co's overall GF Score™ is 52/100 with 8 warning signs 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 CSD Water Service Co (SHSE:603903), the current Net Margin % is 12.44% as of Mar. 2026. 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 CSD Water Service Co (SHSE:603903) Overvalued in 2026?
Based on GuruFocus' analysis, CSD Water Service Co stock appears to be overvalued.
The current stock price of ¥11.43 is trading 75.6% above its estimated GF Value™ of ¥6.51.
GuruFocus considers CSD Water Service Co to be Significantly Overvalued.
Key valuation signals for SHSE:603903:
Net Margin %: 12.44% (43% above median its 10-year median of 8.72)
GF Value™: ¥6.51 vs. price of ¥11.43 (75.6% above fair value)
Industry Position: 205.3% above the Waste Management median (#178 of 236)
No single metric tells the full story. See the SHSE:603903 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
CSD Water Service Co Ltd is engaged in wastewater treatment operations, sewage and sludge treatment EPC, technology product sales and other comprehensive services.
52GF Score
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