CBUMY (China National Building Material Co) Gross Margin %: 12.10% (As of Dec. 2025) — 52% Below Median


CBUMY China National Building Material Co Ltd CBUMY
70 GF Score
Price $32.81
GF Value $23.39
Valuation Significantly Overvalued
! 8 Warning Signs
View Full Analysis

What is China National Building Material Co Gross Margin %?

China National Building Material Co CBUMY 70 Gross Margin % is 12.10% as of Dec. 2025, which is 52% below its 10-year median of 25.04. GuruFocus rates CBUMY with a GF Scoreâ„¢ of 70/100 and a GF Valueâ„¢ of $23.39 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 395 Building Materials companies, China National Building Material Co ranks worse than 69.62% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. China National Building Material Co's Gross Profit for the three months ended in Dec. 2025 was $763 Mil. China National Building Material Co's Revenue for the three months ended in Dec. 2025 was $6,305 Mil. Therefore, China National Building Material Co's Gross Margin % for the quarter that ended in Dec. 2025 was 12.10%.

Warning Sign:

China National Building Material Co Ltd gross margin has been in long-term decline. The average rate of decline per year is -6.9%.


The historical rank and industry rank for China National Building Material Co's Gross Margin % or its related term are showing as below:

CBUMY' s Gross Margin % Range Over the Past 10 Years
Min: 17.04   Med: 25.04   Max: 29.73
Current: 18.68


During the past 13 years, the highest Gross Margin % of China National Building Material Co was 29.73%. The lowest was 17.04%. And the median was 25.04%.

CBUMY's Gross Margin % is ranked worse than
69.62% of 395 companies
in the Building Materials industry
Industry Median: 26.18 vs CBUMY: 18.68

China National Building Material Co had a gross margin of 12.10% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage

The 5-Year average Growth Rate of Gross Margin for China National Building Material Co was -6.90% per year.


China National Building Material Co  (OTCPK:CBUMY) Gross Margin % Explanation

Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.

Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %

1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key

China National Building Material Co had a gross margin of 12.10% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage


Be Aware

If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.


China National Building Material Co Gross Margin % Related Terms


China National Building Material Co Gross Margin % Historical Data

* Premium members only.

The historical data trend for China National Building Material Co's Gross 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.

China National Building Material Co Gross Margin % Chart

China National Building Material Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Gross Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 23.85 17.04 17.81 18.04 18.70

China National Building Material Co Quarterly Data
Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Gross Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 16.30 18.91 19.41 23.72 12.10

CBUMY vs CRH, VMC, MLM: Gross Margin % Comparison

For the Building Materials subindustry, China National Building Material Co's Gross Margin %, along with its competitors' market caps and Gross 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 National Building Material Co Gross Margin % vs Building Materials Industry

For the Building Materials industry and Basic Materials sector, China National Building Material Co's Gross Margin % distribution charts can be found below:

* The bar in red indicates where China National Building Material Co's Gross Margin % falls into.


CBUMY
70GF Score
China National Building Material Co Ltd CBUMY
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

China National Building Material Co Gross Margin % Calculation

Gross Margin is the percentage of Gross Profit out of sales or Revenue.

China National Building Material Co's Gross Margin for the fiscal year that ended in Dec. 2025 is calculated as

Gross Margin % (A: Dec. 2025 )=Gross Profit (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=4721.1 / 25250.892
=(Revenue - Cost of Goods Sold) / Revenue
=(25250.892 - 20529.759) / 25250.892
=18.70 %

China National Building Material Co's Gross Margin for the quarter that ended in Dec. 2025 is calculated as


Gross Margin % (Q: Dec. 2025 )=Gross Profit (Q: Dec. 2025 ) / Revenue (Q: Dec. 2025 )
=763.1 / 6304.529
=(Revenue - Cost of Goods Sold) / Revenue
=(6304.529 - 5541.395) / 6304.529
=12.10 %

* 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.

A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.

Frequently Asked Questions Learn more about Gross Margin % →
What does a Gross Margin % of 12.10% mean?
China National Building Material Co (CBUMY) has a Gross Margin % of 12.10% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on China National Building Material Co and its competitors. This is 52% below median its historical median of 25.04. Over the past decade, China National Building Material Co's Gross Margin % has ranged from 17.04 to 29.73. According to the industry distribution chart, China National Building Material Co ranks #275 out of 395 companies in the Building Materials industry, placing it in the top 69.6%.
Is China National Building Material Co's Gross Margin % too high?
China National Building Material Co's current Gross Margin % of 12.10% is 52% below median its 10-year median of 25.04. Over the past 10 years, this metric has ranged from a low of 17.04 to a high of 29.73. The Building Materials industry median Gross Margin % is 26.18. China National Building Material Co's value of 12.10% is 53.8% below this industry median. Based on the distribution chart, China National Building Material Co ranks #275 out of 395 companies in the Building Materials industry, which is below the industry midpoint. Overall, China National Building Material Co has a GF Scoreâ„¢ of 70/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does China National Building Material Co's Gross Margin % compare to CRH and VMC?
According to the Building Materials industry distribution chart, China National Building Material Co ranks #275 out of 395 companies for Gross Margin %. This places China National Building Material Co in the lower half of its industry. The industry median Gross Margin % is 26.18. China National Building Material Co's value of 12.10% is 53.8% below this benchmark. Historically, China National Building Material Co's own Gross Margin % has ranged from 17.04 to 29.73 over the past decade. While the company's 10-year median is 25.04 vs. the industry median of 26.18, China National Building Material Co has consistently been below 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 Gross Margin % for a Building Materials company?
The median Gross Margin % among Building Materials companies is 26.18, based on 395 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. China National Building Material Co's current Gross Margin % of 12.10% is 53.8% below 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on China National Building Material Co and its competitors. For the Building Materials industry, the median Gross Margin % is 26.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. China National Building Material Co's current Gross Margin % is 12.10%, which is 52% below median its own 10-year median of 25.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is China National Building Material Co stock overvalued right now?
Based on GuruFocus' analysis, China National Building Material Co (CBUMY) is currently considered Significantly Overvalued. The stock's GF Value™ is $23.39, compared to a current price of $32.81 — trading 40.3% above its estimated fair value. The current Gross Margin % is 12.10%, which is 52% below median its 10-year median of 25.04 and 53.8% below the Building Materials industry median of 26.18. China National Building Material Co's overall GF Score™ is 70/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For China National Building Material Co (CBUMY), the current Gross Margin % is 12.10% 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 National Building Material Co (CBUMY) Overvalued in 2026?

Based on GuruFocus' analysis, China National Building Material Co stock appears to be overvalued. The current stock price of $32.81 is trading 40.3% above its estimated GF Value™ of $23.39. GuruFocus considers China National Building Material Co to be Significantly Overvalued.

Key valuation signals for CBUMY:

  • Gross Margin %: 12.10% (52% below median its 10-year median of 25.04)
  • GF Value™: $23.39 vs. price of $32.81 (40.3% above fair value)
  • GF Score™: 70/100 with 8 warning signs
  • Industry Position: 53.8% below the Building Materials median (#275 of 395)

No single metric tells the full story. See the CBUMY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


China National Building Material Co Business Description

Address No. 17 Fuxing Road, 21st Floor, Tower 2 (Building B), Guohai Plaza, Haidian District, Beijing, CHN, 100036
China National Building Material Co Ltd. is a state-owned building material holding company. It has three reportable segments: Basic building materials segment, New materials segment, and Engineering technology service segment. The company's majority of revenue is from the Basic building materials segment. Geographically, the company operates in the PRC, Asia, Europe, the Middle East, Africa, the Americas, and other regions, with the maximum revenue from the PRC and Africa.
70GF Score

Get the complete analysis for CBUMY

Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$32.81
Price
$23.39
GF Value