CSD Water Service Co (SHSE:603903) Days Inventory: 93.69 (As of Mar. 2026) — 270% Above Median

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SHSE:603903 CSD Water Service Co Ltd SHSE:603903
52 GF Score
Price ¥11.43
GF Value ¥6.51
Valuation Significantly Overvalued
! 8 Warning Signs
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What is CSD Water Service Co Days Inventory?

CSD Water Service Co SHSE:603903 +3.44% 52 Days Inventory is 93.69 as of Mar. 2026, which is 270% above its 10-year median of 25.32. GuruFocus rates SHSE:603903 with a GF Score™ of 52/100 and a GF Value™ of ¥6.51 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 211 Waste Management companies, CSD Water Service Co ranks worse than 56.4% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). CSD Water Service Co's Average Total Inventories for the three months ended in Mar. 2026 was ¥84 Mil. CSD Water Service Co's Cost of Goods Sold for the three months ended in Mar. 2026 was ¥82 Mil. Hence, CSD Water Service Co's Days Inventory for the three months ended in Mar. 2026 was 93.69.

The historical rank and industry rank for CSD Water Service Co's Days Inventory or its related term are showing as below:

SHSE:603903' s Days Inventory Range Over the Past 10 Years
Min: 10.86   Med: 25.32   Max: 136.69
Current: 37.57

During the past 13 years, CSD Water Service Co's highest Days Inventory was 136.69. The lowest was 10.86. And the median was 25.32.

SHSE:603903's Days Inventory is ranked worse than
56.4% of 211 companies
in the Waste Management industry
Industry Median: 27.31 vs SHSE:603903: 37.57

CSD Water Service Co's Days Inventory increased from Mar. 2025 (56.11) to Mar. 2026 (93.69). It might indicate that CSD Water Service Co's sales slowed down.

Warning Sign:

If a company builds up inventory, it may mean it is having difficulties selling its goods.

Inventory Turnover measures how fast the company turns over its inventory within a year. CSD Water Service Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.97.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. CSD Water Service Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.61.


CSD Water Service Co  (SHSE:603903) Days Inventory Explanation

Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:

1. Inventory Turnover measures how fast the company turns over its inventory within a year.

CSD Water Service Co's Inventory Turnover for the three months ended in Mar. 2026 is calculated as

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

CSD Water Service Co's Inventory to Revenue for the three months ended in Mar. 2026 is calculated as

* 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.


Be Aware

A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.


CSD Water Service Co Days Inventory Related Terms


CSD Water Service Co Days Inventory Historical Data

* Premium members only.

The historical data trend for CSD Water Service Co's Days Inventory 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.

CSD Water Service Co Days Inventory Chart

CSD Water Service Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 10.86 12.20 11.40 18.03 32.60

CSD Water Service Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory 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 56.11 34.71 35.01 22.22 93.69

SHSE:603903 vs WM, RSG, WCN: Days Inventory Comparison

For the Waste Management subindustry, CSD Water Service Co's Days Inventory, along with its competitors' market caps and Days Inventory 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.


CSD Water Service Co Days Inventory vs Waste Management Industry

For the Waste Management industry and Industrials sector, CSD Water Service Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where CSD Water Service Co's Days Inventory falls into.


SHSE:603903
52GF Score
CSD Water Service Co Ltd SHSE:603903
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

CSD Water Service Co Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

CSD Water Service Co's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (56.17 + 75.108) / 2 ) / 735.002*365
=65.639 / 735.002*365
=32.60

CSD Water Service Co's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (75.108 + 93.746) / 2 ) / 82.224*365 / 4
=84.427 / 82.224*365 / 4
=93.69

* 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 Days Inventory →
What does a Days Inventory of 93.69 mean?
CSD Water Service Co (SHSE:603903) has a Days Inventory of 93.69 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on CSD Water Service Co and its competitors. This is 270% above median its historical median of 25.32. Over the past decade, CSD Water Service Co's Days Inventory has ranged from 10.86 to 136.69. According to the industry distribution chart, CSD Water Service Co ranks #119 out of 211 companies in the Waste Management industry, placing it in the top 56.4%.
Is CSD Water Service Co's Days Inventory too high?
CSD Water Service Co's current Days Inventory of 93.69 is 270% above median its 10-year median of 25.32. Over the past 10 years, this metric has ranged from a low of 10.86 to a high of 136.69. The Waste Management industry median Days Inventory is 27.31. CSD Water Service Co's value of 93.69 is 243.1% above this industry median. Based on the distribution chart, CSD Water Service Co ranks #119 out of 211 companies in the Waste Management industry, which is below the industry midpoint. Overall, CSD Water Service Co has a GF Score™ of 52/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does CSD Water Service Co's Days Inventory compare to WM and RSG?
According to the Waste Management industry distribution chart, CSD Water Service Co ranks #119 out of 211 companies for Days Inventory. This places CSD Water Service Co in the lower half of its industry. The industry median Days Inventory is 27.31. CSD Water Service Co's value of 93.69 is 243.1% above this benchmark. Historically, CSD Water Service Co's own Days Inventory has ranged from 10.86 to 136.69 over the past decade. While the company's 10-year median is 25.32 vs. the industry median of 27.31, CSD Water Service 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 Days Inventory for a Waste Management company?
The median Days Inventory among Waste Management companies is 27.31, based on 211 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. CSD Water Service Co's current Days Inventory of 93.69 is 243.1% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on CSD Water Service Co and its competitors. For the Waste Management industry, the median Days Inventory is 27.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CSD Water Service Co's current Days Inventory is 93.69, which is 270% above median its own 10-year median of 25.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CSD Water Service Co stock overvalued right now?
Based on GuruFocus' analysis, CSD Water Service Co (SHSE:603903) is currently considered Significantly Overvalued. The stock's GF Value™ is ¥6.51, compared to a current price of ¥11.43 — trading 75.6% above its estimated fair value. The current Days Inventory is 93.69, which is 270% above median its 10-year median of 25.32 and 243.1% above the Waste Management industry median of 27.31. CSD Water Service Co's overall GF Score™ is 52/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For CSD Water Service Co (SHSE:603903), the current Days Inventory is 93.69 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 CSD Water Service Co (SHSE:603903) Overvalued in 2026?

Based on GuruFocus' analysis, CSD Water Service Co stock appears to be overvalued. The current stock price of ¥11.43 is trading 75.6% above its estimated GF Value™ of ¥6.51. GuruFocus considers CSD Water Service Co to be Significantly Overvalued.

Key valuation signals for SHSE:603903:

  • Days Inventory: 93.69 (270% above median its 10-year median of 25.32)
  • GF Value™: ¥6.51 vs. price of ¥11.43 (75.6% above fair value)
  • GF Score™: 52/100 with 8 warning signs
  • Industry Position: 243.1% above the Waste Management median (#119 of 211)

No single metric tells the full story. See the SHSE:603903 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


CSD Water Service Co Business Description

Address No. 66 Xixiaokou Road, Zhongguancun, Room 402, 4th Floor, Building 2, D District, Dongsheng Science and Technology Park, Haidian District, Beijing, CHN, 100192
CSD Water Service Co Ltd is engaged in wastewater treatment operations, sewage and sludge treatment EPC, technology product sales and other comprehensive services.
52GF Score

Get the complete analysis for SHSE:603903

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

¥11.43
Price
¥6.51
GF Value