China Glass HoldingsHKSE:03300 -2.47%43 Net Margin % is 666.30% as of Dec. 2025, which is 37758% above its 10-year median of 1.76. GuruFocus rates HKSE:03300 with a GF Score™ of 43/100 and a GF Value™ of HK$0.22 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 405 Building Materials companies, China Glass Holdings ranks worse than 98.52% on this metric.
The historical rank and industry rank for China Glass Holdings's Net Margin % or its related term are showing as below:
HKSE:03300'
s Net Margin % Range Over the Past 10 Years
Min: -340.75 Med: 1.76 Max: 14.54
Current: -340.75
HKSE:03300's Net Margin % is ranked worse than 98.52% of 405
companies
in the Building Materials industry
Industry Median: 4.5
vs HKSE:03300: -340.75
China Glass Holdings (HKSE:03300) 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 Glass Holdings Net Margin % Related Terms
China Glass Holdings Net Margin % Historical Data
* Premium members only.
The historical data trend for China Glass Holdings'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.
HKSE:03300 vs CRH, VMC, MLM: Net Margin % Comparison
For the Building Materials subindustry, China Glass Holdings'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 Glass Holdings Net Margin % vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, China Glass Holdings's Net Margin % distribution charts can be found below:
* The bar in red indicates where China Glass Holdings'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 Glass Holdings (HKSE:03300) has a Net Margin % of 666.30% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on China Glass Holdings and its competitors. This is 37758% above median its historical median of 1.76. According to the industry distribution chart, China Glass Holdings ranks #399 out of 405 companies in the Building Materials industry, placing it in the top 98.5%.
Is China Glass Holdings' Net Margin % too high?
China Glass Holdings' current Net Margin % of 666.30% is 37758% above median its 10-year median of 1.76. The Building Materials industry median Net Margin % is 4.50. China Glass Holdings' value of 666.30% is 14706.7% above this industry median. Based on the distribution chart, China Glass Holdings ranks #399 out of 405 companies in the Building Materials industry, which is in the bottom quartile relative to peers. Overall, China Glass Holdings has a GF Score™ of 43/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does China Glass Holdings' Net Margin % compare to CRH and VMC?
According to the Building Materials industry distribution chart, China Glass Holdings ranks #399 out of 405 companies for Net Margin %. This places China Glass Holdings in the lower half of its industry. The industry median Net Margin % is 4.50. China Glass Holdings' value of 666.30% is 14706.7% above this benchmark. While the company's 10-year median is 1.76 vs. the industry median of 4.50, China Glass Holdings 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 Building Materials company?
The median Net Margin % among Building Materials companies is 4.50, based on 405 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 Glass Holdings's current Net Margin % of 666.30% is 14706.7% 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 Glass Holdings and its competitors. For the Building Materials industry, the median Net Margin % is 4.50 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. China Glass Holdings's current Net Margin % is 666.30%, which is 37758% above median its own 10-year median of 1.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is China Glass Holdings stock overvalued right now?
Based on GuruFocus' analysis, China Glass Holdings (HKSE:03300) is currently considered Significantly Overvalued. The stock's GF Value™ is HK$0.22, compared to a current price of HK$0.40 — trading 79.5% above its estimated fair value. The current Net Margin % is 666.30%, which is 37758% above median its 10-year median of 1.76 and 14706.7% above the Building Materials industry median of 4.50. China Glass Holdings' overall GF Score™ is 43/100 with 6 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 China Glass Holdings (HKSE:03300), the current Net Margin % is 666.30% 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 Glass Holdings (HKSE:03300) Overvalued in 2026?
Based on GuruFocus' analysis, China Glass Holdings stock appears to be overvalued.
The current stock price of HK$0.40 is trading 79.5% above its estimated GF Value™ of HK$0.22.
GuruFocus considers China Glass Holdings to be Significantly Overvalued.
Key valuation signals for HKSE:03300:
Net Margin %: 666.30% (37758% above median its 10-year median of 1.76)
GF Value™: HK$0.22 vs. price of HK$0.40 (79.5% above fair value)
Industry Position: 14706.7% above the Building Materials median (#399 of 405)
No single metric tells the full story. See the HKSE:03300 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
China Glass Holdings Ltd is involved in the production, marketing and distribution of glass and glass products, designing and installation of glass production lines, and the development of glass production technology. Its glass products cover clear glass, tinted glass, coated glass, energy-saving and new energy glass, used in construction, automotive, solar power generation, home furnishing, and home appliance sectors. Its segments consist of Clear glass products, Painted glass products, Coated glass products, Energy saving and new energy glass products, and Design and installation related service It derives majority of revenue from Clear glass products which produces, markets and distributes clear glass products.
43GF Score
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