The historical rank and industry rank for Longduoduo Co's Gross Margin % or its related term are showing as below:
LDDD'
s Gross Margin % Range Over the Past 10 Years
Min: 68.96 Med: 84.5 Max: 98.87
Current: 98.87
During the past 5 years, the highestGross Margin % of Longduoduo Co was 98.87%. The lowest was 68.96%. And the median was 84.50%.
LDDD's Gross Margin % is not ranked
in the Medical Diagnostics & Research industry.
Industry Median: 50.97
vs LDDD: 98.87
Longduoduo Co had a gross margin of 98.40% for the quarter that ended in Mar. 2026 => Durable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Longduoduo Co was 0.00% per year.
Longduoduo Co (OTCPK:LDDD) 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
Longduoduo Co had a gross margin of 98.40% for the quarter that ended in Mar. 2026 => Durable 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.
Longduoduo Co Gross Margin % Related Terms
Longduoduo Co Gross Margin % Historical Data
* Premium members only.
The historical data trend for Longduoduo 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.
LDDD vs AWHL, BIAF, MBAI: Gross Margin % Comparison
For the Diagnostics & Research subindustry, Longduoduo 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.
Longduoduo Co Gross Margin % vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Longduoduo Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Longduoduo Co's Gross 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.
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.
Longduoduo Co (LDDD) has a Gross Margin % of 98.40% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Longduoduo Co and its competitors. This is 16% above median its historical median of 84.50. Over the past decade, Longduoduo Co's Gross Margin % has ranged from 68.96 to 98.87.
Is Longduoduo Co's Gross Margin % too high?
Longduoduo Co's current Gross Margin % of 98.40% is 16% above median its 10-year median of 84.50. Over the past 10 years, this metric has ranged from a low of 68.96 to a high of 98.87. The Medical Diagnostics & Research industry median Gross Margin % is 50.97. Longduoduo Co's value of 98.40% is 93.1% above this industry median. Overall, Longduoduo Co has a GF Score™ of 47/100, reflecting its overall financial health beyond just this single metric.
How does Longduoduo Co's Gross Margin % compare to AWHL and BIAF?
Longduoduo Co's Gross Margin % of 98.40% can be compared against companies in the Medical Diagnostics & Research industry. The industry median Gross Margin % is 50.97. Longduoduo Co's value of 98.40% is 93.1% above this benchmark. Historically, Longduoduo Co's own Gross Margin % has ranged from 68.96 to 98.87 over the past decade. While the company's 10-year median is 84.50 vs. the industry median of 50.97, Longduoduo 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 Gross Margin % for a Medical Diagnostics & Research company?
The median Gross Margin % among Medical Diagnostics & Research companies is 50.97, based on 195 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. Longduoduo Co's current Gross Margin % of 98.40% is 93.1% 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 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 Longduoduo Co and its competitors. For the Medical Diagnostics & Research industry, the median Gross Margin % is 50.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Longduoduo Co's current Gross Margin % is 98.40%, which is 16% above median its own 10-year median of 84.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Longduoduo Co stock overvalued right now?
Longduoduo Co (LDDD) has a current Gross Margin % of 98.40%. The stock's GF Value™ is $2.30, compared to a current price of $0.51 — trading 77.8% below its estimated fair value. The current Gross Margin % is 98.40%, which is 16% above median its 10-year median of 84.50 and 93.1% above the Medical Diagnostics & Research industry median of 50.97. Longduoduo Co's overall GF Score™ is 47/100 with 1 warning sign 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 Longduoduo Co (LDDD), the current Gross Margin % is 98.40% as of Mar. 2026. 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 Longduoduo Co (LDDD) Overvalued in 2026?
Based on GuruFocus' analysis, Longduoduo Co stock appears to be undervalued.
The current stock price of $0.51 is trading 77.8% below its estimated GF Value™ of $2.30.
Key valuation signals for LDDD:
Gross Margin %: 98.40% (16% above median its 10-year median of 84.50)
GF Value™: $2.30 vs. price of $0.51 (77.8% below fair value)
Industry Position: 93.1% above the Medical Diagnostics & Research median
No single metric tells the full story. See the LDDD stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Longduoduo Co Ltd through its operating subsidiaries, is engaged in providing preventive healthcare solutions. It offers a wide range of comprehensive preventive healthcare services, including disease screening, healthcare treatments, healthcare products, and other related services. The company mainly focuses on the prevention of myocardial infarction, cerebral infarction, hemiplegia, and cardiovascular and cerebrovascular diseases. Its revenues are mainly generated from customers in the People's Republic of China.
47GF Score
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