Tech-Top Engineering Co (ROCO:6750) OCF Margin %: 6.29% (As of Dec. 2025) — 113% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:6750 Tech-Top Engineering Co Ltd ROCO:6750
81 GF Score
Price NT$61.90
GF Value NT$36.78
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Tech-Top Engineering Co OCF Margin %?

Tech-Top Engineering Co ROCO:6750 -3.28% 81 OCF Margin % is 6.29% as of Dec. 2025, which is 113% above its 10-year median of 2.96. GuruFocus rates ROCO:6750 with a GF Score™ of 81/100 and a GF Value™ of NT$36.78 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,769 Construction companies, Tech-Top Engineering Co ranks worse than 62.63% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Tech-Top Engineering Co's Cash Flow from Operations for the six months ended in Dec. 2025 was NT$129 Mil. Tech-Top Engineering Co's Revenue for the six months ended in Dec. 2025 was NT$2,044 Mil. Therefore, Tech-Top Engineering Co's OCF Margin % for the quarter that ended in Dec. 2025 was 6.29%.

As of today, Tech-Top Engineering Co's current OCF Yield % is 4.81%.

The historical rank and industry rank for Tech-Top Engineering Co's OCF Margin % or its related term are showing as below:

ROCO:6750' s OCF Margin % Range Over the Past 10 Years
Min: -11.05   Med: 2.96   Max: 12.76
Current: 2.96


During the past 9 years, the highest OCF Margin % of Tech-Top Engineering Co was 12.76%. The lowest was -11.05%. And the median was 2.96%.

ROCO:6750's OCF Margin % is ranked worse than
62.63% of 1769 companies
in the Construction industry
Industry Median: 5.94 vs ROCO:6750: 2.96


Tech-Top Engineering Co OCF Margin % Related Terms


Tech-Top Engineering Co OCF Margin % Historical Data

* Premium members only.

The historical data trend for Tech-Top Engineering Co's OCF 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.

Tech-Top Engineering Co OCF Margin % Chart

Tech-Top Engineering Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only 3.27 3.80 10.68 -3.74 2.96

Tech-Top Engineering Co Semi-Annual Data
Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF 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 21.95 11.33 -14.04 0.31 6.29

ROCO:6750 vs PWR, FIX, EME: OCF Margin % Comparison

For the Engineering & Construction subindustry, Tech-Top Engineering Co's OCF Margin %, along with its competitors' market caps and OCF 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.


Tech-Top Engineering Co OCF Margin % vs Construction Industry

For the Construction industry and Industrials sector, Tech-Top Engineering Co's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Tech-Top Engineering Co's OCF Margin % falls into.


ROCO:6750
81GF Score
Tech-Top Engineering Co Ltd ROCO:6750
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tech-Top Engineering Co OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Tech-Top Engineering Co's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=136.63/4615.56
=2.96 %

Tech-Top Engineering Co's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=128.624/2043.783
=6.29 %

* 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.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of 6.29% mean?
Tech-Top Engineering Co (ROCO:6750) has a OCF Margin % of 6.29% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Tech-Top Engineering Co and its competitors. This is 113% above median its historical median of 2.96. According to the industry distribution chart, Tech-Top Engineering Co ranks #1108 out of 1769 companies in the Construction industry, placing it in the top 62.6%.
Is Tech-Top Engineering Co's OCF Margin % too high?
Tech-Top Engineering Co's current OCF Margin % of 6.29% is 113% above median its 10-year median of 2.96. The Construction industry median OCF Margin % is 5.94. Tech-Top Engineering Co's value of 6.29% is 5.9% above this industry median. Based on the distribution chart, Tech-Top Engineering Co ranks #1108 out of 1769 companies in the Construction industry, which is below the industry midpoint. Overall, Tech-Top Engineering Co has a GF Score™ of 81/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tech-Top Engineering Co's OCF Margin % compare to PWR and FIX?
According to the Construction industry distribution chart, Tech-Top Engineering Co ranks #1108 out of 1769 companies for OCF Margin %. This places Tech-Top Engineering Co in the lower half of its industry. The industry median OCF Margin % is 5.94. Tech-Top Engineering Co's value of 6.29% is 5.9% above this benchmark. While the company's 10-year median is 2.96 vs. the industry median of 5.94, Tech-Top Engineering 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 OCF Margin % for a Construction company?
The median OCF Margin % among Construction companies is 5.94, based on 1,769 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Tech-Top Engineering Co's current OCF Margin % of 6.29% is 5.9% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Tech-Top Engineering Co and its competitors. For the Construction industry, the median OCF Margin % is 5.94 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tech-Top Engineering Co's current OCF Margin % is 6.29%, which is 113% above median its own 10-year median of 2.96. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tech-Top Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, Tech-Top Engineering Co (ROCO:6750) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$36.78, compared to a current price of NT$61.90 — trading 68.3% above its estimated fair value. The current OCF Margin % is 6.29%, which is 113% above median its 10-year median of 2.96 and 5.9% above the Construction industry median of 5.94. Tech-Top Engineering Co's overall GF Score™ is 81/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Tech-Top Engineering Co (ROCO:6750), the current OCF Margin % is 6.29% 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 Tech-Top Engineering Co (ROCO:6750) Overvalued in 2026?

Based on GuruFocus' analysis, Tech-Top Engineering Co stock appears to be overvalued. The current stock price of NT$61.90 is trading 68.3% above its estimated GF Value™ of NT$36.78. GuruFocus considers Tech-Top Engineering Co to be Significantly Overvalued.

Key valuation signals for ROCO:6750:

  • OCF Margin %: 6.29% (113% above median its 10-year median of 2.96)
  • GF Value™: NT$36.78 vs. price of NT$61.90 (68.3% above fair value)
  • GF Score™: 81/100 with 3 warning signs
  • Industry Position: 5.9% above the Construction median (#1108 of 1769)

No single metric tells the full story. See the ROCO:6750 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tech-Top Engineering Co Business Description

Address No. 158 Jiankang Road, 10 Floor, Zhonghe District, Taipei, TWN
Tech-Top Engineering Co Ltd is an engineering company that is engaged in the design and installation of high and low voltage electrical equipment, power transmission and distribution equipment, clean rooms and other projects and maintenance business. The company also provides PV and BIPV design, planning and construction.
81GF Score

Get the complete analysis for ROCO:6750

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

NT$61.90
Price
NT$36.78
GF Value