Jiin Yeeh Ding Enterprise Co (ROCO:8390) Gross Margin %: 24.06% (As of Dec. 2025) — 79% Above Median

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ROCO:8390 Jiin Yeeh Ding Enterprise Co Ltd ROCO:8390
78 GF Score
Price NT$94.80
GF Value NT$68.59
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Jiin Yeeh Ding Enterprise Co Gross Margin %?

Jiin Yeeh Ding Enterprise Co ROCO:8390 -1.46% 78 Gross Margin % is 24.06% as of Dec. 2025, which is 79% above its 10-year median of 13.42. GuruFocus rates ROCO:8390 with a GF Score™ of 78/100 and a GF Value™ of NT$68.59 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 232 Waste Management companies, Jiin Yeeh Ding Enterprise Co ranks worse than 68.97% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. Jiin Yeeh Ding Enterprise Co's Gross Profit for the three months ended in Dec. 2025 was NT$298 Mil. Jiin Yeeh Ding Enterprise Co's Revenue for the three months ended in Dec. 2025 was NT$1,237 Mil. Therefore, Jiin Yeeh Ding Enterprise Co's Gross Margin % for the quarter that ended in Dec. 2025 was 24.06%.


The historical rank and industry rank for Jiin Yeeh Ding Enterprise Co's Gross Margin % or its related term are showing as below:

ROCO:8390' s Gross Margin % Range Over the Past 10 Years
Min: 5.47   Med: 13.42   Max: 22.13
Current: 20.25


During the past 13 years, the highest Gross Margin % of Jiin Yeeh Ding Enterprise Co was 22.13%. The lowest was 5.47%. And the median was 13.42%.

ROCO:8390's Gross Margin % is ranked worse than
68.97% of 232 companies
in the Waste Management industry
Industry Median: 27.725 vs ROCO:8390: 20.25

Jiin Yeeh Ding Enterprise Co had a gross margin of 24.06% for the quarter that ended in Dec. 2025 => Competition eroding margins

The 5-Year average Growth Rate of Gross Margin for Jiin Yeeh Ding Enterprise Co was -0.20% per year.


Jiin Yeeh Ding Enterprise Co  (ROCO:8390) 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

Jiin Yeeh Ding Enterprise Co had a gross margin of 24.06% 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.


Jiin Yeeh Ding Enterprise Co Gross Margin % Related Terms


Jiin Yeeh Ding Enterprise Co Gross Margin % Historical Data

* Premium members only.

The historical data trend for Jiin Yeeh Ding Enterprise 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.

Jiin Yeeh Ding Enterprise Co Gross Margin % Chart

Jiin Yeeh Ding Enterprise 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 22.13 13.92 12.91 16.75 20.25

Jiin Yeeh Ding Enterprise Co 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 18.55 17.01 19.92 19.55 24.06

ROCO:8390 vs WM, RSG, WCN: Gross Margin % Comparison

For the Waste Management subindustry, Jiin Yeeh Ding Enterprise 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.


Jiin Yeeh Ding Enterprise Co Gross Margin % vs Waste Management Industry

For the Waste Management industry and Industrials sector, Jiin Yeeh Ding Enterprise Co's Gross Margin % distribution charts can be found below:

* The bar in red indicates where Jiin Yeeh Ding Enterprise Co's Gross Margin % falls into.


ROCO:8390
78GF Score
Jiin Yeeh Ding Enterprise Co Ltd ROCO:8390
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Jiin Yeeh Ding Enterprise Co Gross Margin % Calculation

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

Jiin Yeeh Ding Enterprise 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 )
=938.7 / 4634.941
=(Revenue - Cost of Goods Sold) / Revenue
=(4634.941 - 3696.238) / 4634.941
=20.25 %

Jiin Yeeh Ding Enterprise 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 )
=297.7 / 1237.396
=(Revenue - Cost of Goods Sold) / Revenue
=(1237.396 - 939.667) / 1237.396
=24.06 %

* 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 24.06% mean?
Jiin Yeeh Ding Enterprise Co (ROCO:8390) has a Gross Margin % of 24.06% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Jiin Yeeh Ding Enterprise Co and its competitors. This is 79% above median its historical median of 13.42. Over the past decade, Jiin Yeeh Ding Enterprise Co's Gross Margin % has ranged from 5.47 to 22.13. According to the industry distribution chart, Jiin Yeeh Ding Enterprise Co ranks #160 out of 232 companies in the Waste Management industry, placing it in the top 69%.
Is Jiin Yeeh Ding Enterprise Co's Gross Margin % too high?
Jiin Yeeh Ding Enterprise Co's current Gross Margin % of 24.06% is 79% above median its 10-year median of 13.42. Over the past 10 years, this metric has ranged from a low of 5.47 to a high of 22.13. The Waste Management industry median Gross Margin % is 27.73. Jiin Yeeh Ding Enterprise Co's value of 24.06% is 13.2% below this industry median. Based on the distribution chart, Jiin Yeeh Ding Enterprise Co ranks #160 out of 232 companies in the Waste Management industry, which is below the industry midpoint. Overall, Jiin Yeeh Ding Enterprise Co has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Jiin Yeeh Ding Enterprise Co's Gross Margin % compare to WM and RSG?
According to the Waste Management industry distribution chart, Jiin Yeeh Ding Enterprise Co ranks #160 out of 232 companies for Gross Margin %. This places Jiin Yeeh Ding Enterprise Co in the lower half of its industry. The industry median Gross Margin % is 27.73. Jiin Yeeh Ding Enterprise Co's value of 24.06% is 13.2% below this benchmark. Historically, Jiin Yeeh Ding Enterprise Co's own Gross Margin % has ranged from 5.47 to 22.13 over the past decade. While the company's 10-year median is 13.42 vs. the industry median of 27.73, Jiin Yeeh Ding Enterprise 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 Waste Management company?
The median Gross Margin % among Waste Management companies is 27.73, based on 232 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. Jiin Yeeh Ding Enterprise Co's current Gross Margin % of 24.06% is 13.2% 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 Jiin Yeeh Ding Enterprise Co and its competitors. For the Waste Management industry, the median Gross Margin % is 27.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jiin Yeeh Ding Enterprise Co's current Gross Margin % is 24.06%, which is 79% above median its own 10-year median of 13.42. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jiin Yeeh Ding Enterprise Co stock overvalued right now?
Based on GuruFocus' analysis, Jiin Yeeh Ding Enterprise Co (ROCO:8390) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$68.59, compared to a current price of NT$94.80 — trading 38.2% above its estimated fair value. The current Gross Margin % is 24.06%, which is 79% above median its 10-year median of 13.42 and 13.2% below the Waste Management industry median of 27.73. Jiin Yeeh Ding Enterprise Co's overall GF Score™ is 78/100 with 2 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 Jiin Yeeh Ding Enterprise Co (ROCO:8390), the current Gross Margin % is 24.06% 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 Jiin Yeeh Ding Enterprise Co (ROCO:8390) Overvalued in 2026?

Based on GuruFocus' analysis, Jiin Yeeh Ding Enterprise Co stock appears to be overvalued. The current stock price of NT$94.80 is trading 38.2% above its estimated GF Value™ of NT$68.59. GuruFocus considers Jiin Yeeh Ding Enterprise Co to be Significantly Overvalued.

Key valuation signals for ROCO:8390:

  • Gross Margin %: 24.06% (79% above median its 10-year median of 13.42)
  • GF Value™: NT$68.59 vs. price of NT$94.80 (38.2% above fair value)
  • GF Score™: 78/100 with 2 warning signs
  • Industry Position: 13.2% below the Waste Management median (#160 of 232)

No single metric tells the full story. See the ROCO:8390 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Jiin Yeeh Ding Enterprise Co Business Description

Address Xibin Road, Section 6, No. 599, Xiangshan District, Hsinchu, TWN, 300
Jiin Yeeh Ding Enterprise Co Ltd is engaged in metal recycling and processing, scrap metal trading, and electronic waste removal and processing. The group generates maximum revenue from the sale of recycled copper, followed by gold and mixed metal, including gold, and other products. Geographically, it derives maximum revenue from Taiwan, and the rest from China, Northeast Asia, Europe, and Southeast Asia.
78GF Score

Get the complete analysis for ROCO:8390

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

NT$94.80
Price
NT$68.59
GF Value