Well Lead Medical Co (SHSE:603309) Beneish M-Score: -3.36 (As of Aug. 07, 2026)

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SHSE:603309 Well Lead Medical Co Ltd SHSE:603309
84 GF Score
Price ¥11.59
GF Value ¥14.48
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Well Lead Medical Co Beneish M-Score?

Well Lead Medical Co SHSE:603309 +0.17% 84 Beneish M-Score is -3.36 as of Aug. 07, 2026. GuruFocus rates SHSE:603309 with a GF Score™ of 84/100 and a GF Value™ of ¥14.48 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 764 Medical Devices & Instruments companies, Well Lead Medical Co ranks better than 86.65% on this metric.

The zones of discrimination for M-Score is as such:

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator.
An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Good Sign:

Beneish M-Score -3.36 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for Well Lead Medical Co's Beneish M-Score or its related term are showing as below:

SHSE:603309' s Beneish M-Score Range Over the Past 10 Years
Min: -3.51   Med: -2.55   Max: -1.71
Current: -3.36

During the past 13 years, the highest Beneish M-Score of Well Lead Medical Co was -1.71. The lowest was -3.51. And the median was -2.55.


Well Lead Medical Co Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Well Lead Medical Co's Beneish M-Score 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.

Well Lead Medical Co Beneish M-Score Chart

Well Lead Medical Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beneish M-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.01 -3.02 -1.71 -2.45 -2.93

Well Lead Medical Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Beneish M-Score 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 -2.17 -2.48 -2.93 -3.19 -3.36

SHSE:603309 vs ISRG, BDX, MDLN: Beneish M-Score Comparison

For the Medical Instruments & Supplies subindustry, Well Lead Medical Co's Beneish M-Score, along with its competitors' market caps and Beneish M-Score 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.


Well Lead Medical Co Beneish M-Score vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Well Lead Medical Co's Beneish M-Score distribution charts can be found below:

* The bar in red indicates where Well Lead Medical Co's Beneish M-Score falls into.


SHSE:603309
84GF Score
Well Lead Medical Co Ltd SHSE:603309
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Well Lead Medical Co Beneish M-Score Calculation

The M-score was created by Professor Messod Beneish. Instead of measuring the bankruptcy risk (Altman Z-Score) or business trend (Piotroski F-Score), M-score can be used to detect the risk of earnings manipulation. This is the original research paper on M-score.

The M-Score Variables:

The M-score of Well Lead Medical Co for today is based on a combination of the following eight different indices:

M=-4.84+0.92 * DSRI+0.528 * GMI+0.404 * AQI+0.892 * SGI+0.115 * DEPI
=-4.84+0.92 * 0.7792+0.528 * 1.0134+0.404 * 0.9097+0.892 * 1.0485+0.115 * 1
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.9943+4.679 * -0.146554-0.327 * 1.0213
=-3.36

* 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.

This Year (Jun26) TTM:Last Year (Jun25) TTM:
Total Receivables was ¥205 Mil.
Revenue was 411.869 + 356.976 + 440.002 + 446.011 = ¥1,655 Mil.
Gross Profit was 167.429 + 165.756 + 203.473 + 190.665 = ¥727 Mil.
Total Current Assets was ¥856 Mil.
Total Assets was ¥2,725 Mil.
Property, Plant and Equipment(Net PPE) was ¥777 Mil.
Depreciation, Depletion and Amortization(DDA) was ¥0 Mil.
Selling, General, & Admin. Expense(SGA) was ¥95 Mil.
Total Current Liabilities was ¥494 Mil.
Long-Term Debt & Capital Lease Obligation was ¥389 Mil.
Net Income was 42.054 + 59.946 + -115.315 + 70.566 = ¥57 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = ¥0 Mil.
Cash Flow from Operations was 91.965 + 68.268 + 170.138 + 126.263 = ¥457 Mil.
Total Receivables was ¥251 Mil.
Revenue was 397.009 + 348.152 + 448.906 + 384.178 = ¥1,578 Mil.
Gross Profit was 179.706 + 155.896 + 197.095 + 170.268 = ¥703 Mil.
Total Current Assets was ¥894 Mil.
Total Assets was ¥2,815 Mil.
Property, Plant and Equipment(Net PPE) was ¥682 Mil.
Depreciation, Depletion and Amortization(DDA) was ¥0 Mil.
Selling, General, & Admin. Expense(SGA) was ¥91 Mil.
Total Current Liabilities was ¥503 Mil.
Long-Term Debt & Capital Lease Obligation was ¥390 Mil.




1. DSRI = Days Sales in Receivables Index

Measured as the ratio of Revenue in Total Receivables in year t to year t-1.

A large increase in DSR could be indicative of revenue inflation.

DSRI=(Receivables_t / Revenue_t) / (Receivables_t-1 / Revenue_t-1)
=(205.344 / 1654.858) / (251.337 / 1578.245)
=0.124086 / 0.159251
=0.7792

2. GMI = Gross Margin Index

Measured as the ratio of gross margin in year t-1 to gross margin in year t.

Gross margin has deteriorated when this index is above 1. A firm with poorer prospects is more likely to manipulate earnings.

GMI=GrossMargin_t-1 / GrossMargin_t
=(GrossProfit_t-1 / Revenue_t-1) / (GrossProfit_t / Revenue_t)
=(702.965 / 1578.245) / (727.323 / 1654.858)
=0.445409 / 0.439508
=1.0134

3. AQI = Asset Quality Index

AQI is the ratio of asset quality in year t to year t-1.

Asset quality is measured as the ratio of non-current assets other than Property, Plant and Equipment to Total Assets.

AQI=(1 - (CurrentAssets_t + PPE_t) / TotalAssets_t) / (1 - (CurrentAssets_t-1 + PPE_t-1) / TotalAssets_t-1)
=(1 - (856.429 + 777.205) / 2725.168) / (1 - (893.729 + 681.572) / 2814.605)
=0.400538 / 0.440312
=0.9097

4. SGI = Sales Growth Index

Ratio of Revenue in year t to sales in year t-1.

Sales growth is not itself a measure of manipulation. However, growth companies are likely to find themselves under pressure to manipulate in order to keep up appearances.

SGI=Sales_t / Sales_t-1
=Revenue_t / Revenue_t-1
=1654.858 / 1578.245
=1.0485

5. DEPI = Depreciation Index

Measured as the ratio of the rate of Depreciation, Depletion and Amortization in year t-1 to the corresponding rate in year t.

DEPI greater than 1 indicates that assets are being depreciated at a slower rate. This suggests that the firm might be revising useful asset life assumptions upwards, or adopting a new method that is income friendly.

DEPI=(Depreciation_t-1 / (Depreciaton_t-1 + PPE_t-1)) / (Depreciation_t / (Depreciaton_t + PPE_t))
=(0 / (0 + 681.572)) / (0 / (0 + 777.205))
=0 / 0
=1

Note: If the Depreciation, Depletion and Amortization data is not available, we assume that the depreciation rate is constant and set the Depreciation Index to 1.

6. SGAI = Sales, General and Administrative expenses Index

The ratio of Selling, General, & Admin. Expense(SGA) to Sales in year t relative to year t-1.

SGA expenses index > 1 means that the company is becoming less efficient in generate sales.

SGAI=(SGA_t / Sales_t) / (SGA_t-1 /Sales_t-1)
=(95.18 / 1654.858) / (91.291 / 1578.245)
=0.057516 / 0.057843
=0.9943

7. LVGI = Leverage Index

The ratio of total debt to Total Assets in year t relative to yeat t-1.

An LVGI > 1 indicates an increase in leverage

LVGI=((LTD_t + CurrentLiabilities_t) / TotalAssets_t) / ((LTD_t-1 + CurrentLiabilities_t-1) / TotalAssets_t-1)
=((389.309 + 493.532) / 2725.168) / ((389.912 + 502.921) / 2814.605)
=0.323958 / 0.317214
=1.0213

8. TATA = Total Accruals to Total Assets

Total accruals calculated as the change in working capital accounts other than cash less depreciation.

TATA=(IncomefromContinuingOperations_t - CashFlowsfromOperations_t) / TotalAssets_t
=(NetIncome_t - NonOperatingIncome_t - CashFlowsfromOperations_t) / TotalAssets_t
=(57.251 - 0 - 456.634) / 2725.168
=-0.146554

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator. An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Well Lead Medical Co has a M-score of -3.36 suggests that the company is unlikely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of -3.36 mean?
Well Lead Medical Co (SHSE:603309) has a Beneish M-Score of -3.36 as of Aug. 07, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Well Lead Medical Co and its competitors. According to the industry distribution chart, Well Lead Medical Co ranks #102 out of 764 companies in the Medical Devices & Instruments industry, placing it in the top 13.4%.
Is Well Lead Medical Co's Beneish M-Score too high?
Well Lead Medical Co's current Beneish M-Score is -3.36. Based on the distribution chart, Well Lead Medical Co ranks #102 out of 764 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Well Lead Medical Co has a GF Score™ of 84/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Well Lead Medical Co's Beneish M-Score compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Well Lead Medical Co ranks #102 out of 764 companies for Beneish M-Score. This places Well Lead Medical Co in the top 13% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beneish M-Score for a Medical Devices & Instruments company?
A good Beneish M-Score depends on the Medical Devices & Instruments industry context. However, Beneish M-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Beneish M-Score mean?
A high Beneish M-Score can signal that a stock is expensive relative to its fundamentals. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Well Lead Medical Co and its competitors. Well Lead Medical Co's current Beneish M-Score is -3.36. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Well Lead Medical Co stock overvalued right now?
Based on GuruFocus' analysis, Well Lead Medical Co (SHSE:603309) is currently considered Modestly Undervalued. The stock's GF Value™ is ¥14.48, compared to a current price of ¥11.59 — trading 20% below its estimated fair value. The current Beneish M-Score is -3.36. Well Lead Medical Co's overall GF Score™ is 84/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beneish M-Score calculated?
Beneish M-Score is calculated from a company's financial statements. For Well Lead Medical Co (SHSE:603309), the current Beneish M-Score is -3.36 as of Aug. 07, 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 Well Lead Medical Co (SHSE:603309) Overvalued in 2026?

Based on GuruFocus' analysis, Well Lead Medical Co stock appears to be undervalued. The current stock price of ¥11.59 is trading 20% below its estimated GF Value™ of ¥14.48. GuruFocus considers Well Lead Medical Co to be Modestly Undervalued.

Key valuation signals for SHSE:603309:

  • Beneish M-Score: -3.36
  • GF Value™: ¥14.48 vs. price of ¥11.59 (20% below fair value)
  • GF Score™: 84/100 with 4 warning signs

No single metric tells the full story. See the SHSE:603309 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Well Lead Medical Co Business Description

Address No. 45-47, South of Guomao Avenue, No. 4, Area C, Jinhu Industrial City, Hualong Town, Panyu District, Guangdong Province, Guangzhou City, CHN, 511434
Well Lead Medical Co Ltd is engaged in research, production, and sales of medical catheters in anaesthesia, urology, respiratory and hemodialysis region. Its products include Endotracheal Tube, Standar Endotracheal Tube, and Suction Endotracheal Tube. The company products are used in surgery, treatment, first aid, and nursing. The company exports its products to North America, Europe, and Japan.
84GF Score

Get the complete analysis for SHSE:603309

Beneish M-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

¥11.59
Price
¥14.48
GF Value