Tons Lightology (ROCO:4972) Gross Margin %: 29.19% (As of Dec. 2025) — 15% Below Median

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ROCO:4972 Tons Lightology Inc ROCO:4972
65 GF Score
Price NT$16.80
GF Value NT$20.13
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Tons Lightology Gross Margin %?

Tons Lightology ROCO:4972 -0.59% 65 Gross Margin % is 29.19% as of Dec. 2025, which is 15% below its 10-year median of 34.45. GuruFocus rates ROCO:4972 with a GF Score™ of 65/100 and a GF Value™ of NT$20.13 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 416 Furnishings, Fixtures & Appliances companies, Tons Lightology ranks worse than 58.65% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. Tons Lightology's Gross Profit for the three months ended in Dec. 2025 was NT$74.6 Mil. Tons Lightology's Revenue for the three months ended in Dec. 2025 was NT$255.6 Mil. Therefore, Tons Lightology's Gross Margin % for the quarter that ended in Dec. 2025 was 29.19%.

Warning Sign:

Tons Lightology Inc gross margin has been in long-term decline. The average rate of decline per year is -6.2%.


The historical rank and industry rank for Tons Lightology's Gross Margin % or its related term are showing as below:

ROCO:4972' s Gross Margin % Range Over the Past 10 Years
Min: 26.28   Med: 34.45   Max: 38.7
Current: 26.28


During the past 13 years, the highest Gross Margin % of Tons Lightology was 38.70%. The lowest was 26.28%. And the median was 34.45%.

ROCO:4972's Gross Margin % is ranked worse than
58.65% of 416 companies
in the Furnishings, Fixtures & Appliances industry
Industry Median: 29.425 vs ROCO:4972: 26.28

Tons Lightology had a gross margin of 29.19% for the quarter that ended in Dec. 2025 => Competition eroding margins

The 5-Year average Growth Rate of Gross Margin for Tons Lightology was -6.20% per year.


Tons Lightology  (ROCO:4972) 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

Tons Lightology had a gross margin of 29.19% for the quarter that ended in Dec. 2025 => Competition eroding margins


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.


Tons Lightology Gross Margin % Related Terms


Tons Lightology Gross Margin % Historical Data

* Premium members only.

The historical data trend for Tons Lightology'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.

Tons Lightology Gross Margin % Chart

Tons Lightology 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 34.64 32.56 31.79 28.61 26.28

Tons Lightology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 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 30.74 23.86 27.79 23.48 29.19

ROCO:4972 vs SN, SGI, MHK: Gross Margin % Comparison

For the Furnishings, Fixtures & Appliances subindustry, Tons Lightology'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.


Tons Lightology Gross Margin % vs Furnishings, Fixtures & Appliances Industry

For the Furnishings, Fixtures & Appliances industry and Consumer Cyclical sector, Tons Lightology's Gross Margin % distribution charts can be found below:

* The bar in red indicates where Tons Lightology's Gross Margin % falls into.


ROCO:4972
65GF Score
Tons Lightology Inc ROCO:4972
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tons Lightology Gross Margin % Calculation

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

Tons Lightology'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 )
=245.2 / 932.892
=(Revenue - Cost of Goods Sold) / Revenue
=(932.892 - 687.71) / 932.892
=26.28 %

Tons Lightology'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 )
=74.6 / 255.573
=(Revenue - Cost of Goods Sold) / Revenue
=(255.573 - 180.968) / 255.573
=29.19 %

* 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 29.19% mean?
Tons Lightology (ROCO:4972) has a Gross Margin % of 29.19% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Tons Lightology and its competitors. This is 15% below median its historical median of 34.45. Over the past decade, Tons Lightology's Gross Margin % has ranged from 26.28 to 38.70. According to the industry distribution chart, Tons Lightology ranks #244 out of 416 companies in the Furnishings, Fixtures & Appliances industry, placing it in the top 58.7%.
Is Tons Lightology's Gross Margin % too high?
Tons Lightology's current Gross Margin % of 29.19% is 15% below median its 10-year median of 34.45. Over the past 10 years, this metric has ranged from a low of 26.28 to a high of 38.70. The Furnishings, Fixtures & Appliances industry median Gross Margin % is 29.43. Tons Lightology's value of 29.19% is 0.8% below this industry median. Based on the distribution chart, Tons Lightology ranks #244 out of 416 companies in the Furnishings, Fixtures & Appliances industry, which is below the industry midpoint. Overall, Tons Lightology has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Tons Lightology's Gross Margin % compare to SN and SGI?
According to the Furnishings, Fixtures & Appliances industry distribution chart, Tons Lightology ranks #244 out of 416 companies for Gross Margin %. This places Tons Lightology in the lower half of its industry. The industry median Gross Margin % is 29.43. Tons Lightology's value of 29.19% is 0.8% below this benchmark. Historically, Tons Lightology's own Gross Margin % has ranged from 26.28 to 38.70 over the past decade. While the company's 10-year median is 34.45 vs. the industry median of 29.43, Tons Lightology 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 Furnishings, Fixtures & Appliances company?
The median Gross Margin % among Furnishings, Fixtures & Appliances companies is 29.43, based on 416 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. Tons Lightology's current Gross Margin % of 29.19% is 0.8% 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 Tons Lightology and its competitors. For the Furnishings, Fixtures & Appliances industry, the median Gross Margin % is 29.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tons Lightology's current Gross Margin % is 29.19%, which is 15% below median its own 10-year median of 34.45. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tons Lightology stock overvalued right now?
Based on GuruFocus' analysis, Tons Lightology (ROCO:4972) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$20.13, compared to a current price of NT$16.80 — trading 16.5% below its estimated fair value. The current Gross Margin % is 29.19%, which is 15% below median its 10-year median of 34.45 and 0.8% below the Furnishings, Fixtures & Appliances industry median of 29.43. Tons Lightology's overall GF Score™ is 65/100 with 3 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 Tons Lightology (ROCO:4972), the current Gross Margin % is 29.19% 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 Tons Lightology (ROCO:4972) Overvalued in 2026?

Based on GuruFocus' analysis, Tons Lightology stock appears to be undervalued. The current stock price of NT$16.80 is trading 16.5% below its estimated GF Value™ of NT$20.13. GuruFocus considers Tons Lightology to be Modestly Undervalued.

Key valuation signals for ROCO:4972:

  • Gross Margin %: 29.19% (15% below median its 10-year median of 34.45)
  • GF Value™: NT$20.13 vs. price of NT$16.80 (16.5% below fair value)
  • GF Score™: 65/100 with 3 warning signs
  • Industry Position: 0.8% below the Furnishings, Fixtures & Appliances median (#244 of 416)

No single metric tells the full story. See the ROCO:4972 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tons Lightology Business Description

Address No. 236, Bo’ai Street, 4th Floor, Shulin District, New Taipei, TWN, 23845
Tons Lightology Inc engages in the design, manufacture, and sale of commercial lighting fixtures. The company's operating segment includes Tons Lightology Inc; Titan Lighting Co. Ltd, Zhongshan Tons Lighting Co. Ltd, and StrongLED Lighting System (Cayman) Co. Ltd. It generates maximum revenue from the Tons Lightology Inc. segment. Geographically, it derives a majority of revenue from Europe and also has a presence in Asia, Oceania, and other countries. It focuses on indoor lighting and outdoor lighting. The company's products are used for museum/gallery, commercial, hotel, club, office, and Outdoor applications.
65GF Score

Get the complete analysis for ROCO:4972

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

NT$16.80
Price
NT$20.13
GF Value