Sino Energy Conservation International (HKSE:08128) Days Inventory: 199.30 (As of Dec. 2025) — 168% Above Median

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What is Sino Energy Conservation International Days Inventory?

Sino Energy Conservation International HKSE:08128 -17.86% Days Inventory is 199.30 as of Dec. 2025, which is 168% above its 10-year median of 74.38. The stock has 8 warning signs investors should review. Among 1,495 Construction companies, Sino Energy Conservation International ranks worse than 77.99% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Sino Energy Conservation International's Average Total Inventories for the six months ended in Dec. 2025 was HK$13.25 Mil. Sino Energy Conservation International's Cost of Goods Sold for the six months ended in Dec. 2025 was HK$12.13 Mil. Hence, Sino Energy Conservation International's Days Inventory for the six months ended in Dec. 2025 was 199.30.

The historical rank and industry rank for Sino Energy Conservation International's Days Inventory or its related term are showing as below:

HKSE:08128' s Days Inventory Range Over the Past 10 Years
Min: 30.27   Med: 74.38   Max: 481.74
Current: 139.45

During the past 13 years, Sino Energy Conservation International's highest Days Inventory was 481.74. The lowest was 30.27. And the median was 74.38.

HKSE:08128's Days Inventory is ranked worse than
77.99% of 1495 companies
in the Construction industry
Industry Median: 49.83 vs HKSE:08128: 139.45

Sino Energy Conservation International's Days Inventory increased from Dec. 2024 (74.29) to Dec. 2025 (199.30). It might indicate that Sino Energy Conservation International'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. Sino Energy Conservation International's Inventory Turnover for the six months ended in Dec. 2025 was 0.92.

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. Sino Energy Conservation International's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.86.


Sino Energy Conservation International  (HKSE:08128) 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.

Sino Energy Conservation International's Inventory Turnover for the six months ended in Dec. 2025 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.

Sino Energy Conservation International's Inventory to Revenue for the six months ended in Dec. 2025 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.


Sino Energy Conservation International Days Inventory Related Terms


Sino Energy Conservation International Days Inventory Historical Data

* Premium members only.

The historical data trend for Sino Energy Conservation International'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.

Sino Energy Conservation International Days Inventory Chart

Sino Energy Conservation International 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 481.74 57.31 91.73 88.83 147.77

Sino Energy Conservation International Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 77.97 109.63 74.29 101.90 199.30

HKSE:08128 vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, Sino Energy Conservation International'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.


Sino Energy Conservation International Days Inventory vs Construction Industry

For the Construction industry and Industrials sector, Sino Energy Conservation International's Days Inventory distribution charts can be found below:

* The bar in red indicates where Sino Energy Conservation International's Days Inventory falls into.



Sino Energy Conservation International Days Inventory Calculation

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

Sino Energy Conservation International'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
=( (14.067 + 14.59) / 2 ) / 35.393*365
=14.3285 / 35.393*365
=147.77

Sino Energy Conservation International's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (11.908 + 14.59) / 2 ) / 12.132*365 / 2
=13.249 / 12.132*365 / 2
=199.30

* 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 199.30 mean?
Sino Energy Conservation International (HKSE:08128) has a Days Inventory of 199.30 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Sino Energy Conservation International and its competitors. This is 168% above median its historical median of 74.38. Over the past decade, Sino Energy Conservation International's Days Inventory has ranged from 30.27 to 481.74. According to the industry distribution chart, Sino Energy Conservation International ranks #1166 out of 1495 companies in the Construction industry, placing it in the top 78%.
Is Sino Energy Conservation International's Days Inventory too high?
Sino Energy Conservation International's current Days Inventory of 199.30 is 168% above median its 10-year median of 74.38. Over the past 10 years, this metric has ranged from a low of 30.27 to a high of 481.74. The Construction industry median Days Inventory is 49.83. Sino Energy Conservation International's value of 199.30 is 300% above this industry median. Based on the distribution chart, Sino Energy Conservation International ranks #1166 out of 1495 companies in the Construction industry, which is in the bottom quartile relative to peers.
How does Sino Energy Conservation International's Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, Sino Energy Conservation International ranks #1166 out of 1495 companies for Days Inventory. This places Sino Energy Conservation International in the lower half of its industry. The industry median Days Inventory is 49.83. Sino Energy Conservation International's value of 199.30 is 300% above this benchmark. Historically, Sino Energy Conservation International's own Days Inventory has ranged from 30.27 to 481.74 over the past decade. While the company's 10-year median is 74.38 vs. the industry median of 49.83, Sino Energy Conservation International 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 Construction company?
The median Days Inventory among Construction companies is 49.83, based on 1,495 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. Sino Energy Conservation International's current Days Inventory of 199.30 is 300% 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 Sino Energy Conservation International and its competitors. For the Construction industry, the median Days Inventory is 49.83 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sino Energy Conservation International's current Days Inventory is 199.30, which is 168% above median its own 10-year median of 74.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sino Energy Conservation International stock overvalued right now?
Based on GuruFocus' analysis, Sino Energy Conservation International (HKSE:08128) is currently considered Modestly Undervalued. The stock's GF Value™ is HK$0.03, compared to a current price of HK$0.02 — trading 23.3% below its estimated fair value. The current Days Inventory is 199.30, which is 168% above median its 10-year median of 74.38 and 300% above the Construction industry median of 49.83. 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 Sino Energy Conservation International (HKSE:08128), the current Days Inventory is 199.30 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.

Sino Energy Conservation International Business Description

Address 62-63 Connaught Road Central, 8th Floor, Chung Hing Commercial Building, Central, Hong Kong, HKG
CHYY Development Group Ltd is focusing on the field of promotion of geothermal ground source energy as alternative energy for heating (cooling) with a large state-owned enterprise specialized in energy conservation and environmental protection. The company's operating segment consists of shallow geothermal energy, air conditioning/shallow geothermal heat pump, property investment and development and securities investment and trading segments. It derives maximum revenue from shallow geothermal energy segment, which consists of provision, installation and maintenance of shallow geothermal energy utilization systems.