SCHEDULE 13D

CUSIP No.

G2748R106

Name of reporting person

Decent Ecolo Limited

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

VIRGIN ISLANDS, BRITISH

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 1,902,000.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 1,902,000.00
10	Shared Dispositive Power 0.00

Aggregate amount beneficially owned by each reporting person

1,902,000.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

5.41 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person:

The percentage reported in Item 13 above is based on a total of 35,171,405 issued and outstanding Class A ordinary shares, par value US$0.0001 per share of Decent Holding Inc. (the "Issuer") (the "Class A Ordinary Shares") as of December 10, 2025, as disclosed in the Issuer's shareholder list on December 10, 2025.

SCHEDULE 13D

Item 1.

Security and Issuer

(a)

Title of Class of Securities:

Class A Ordinary Shares, par value US$0.0001 per share

(b)

Name of Issuer:

Decent Holding Inc.

(c)

Address of Issuer's Principal Executive Offices:

4th Floor & 5th Floor North Zone, Dingxin Building, No. 106 Aokema Avenue, Yantai, CHINA , 264003.

Item 2.

Identity and Background

(a)

This Schedule 13D is being filed by Decent Ecolo Limited (the "Reporting Person") and Dingyan Sun has sole voting and dispositive power over all of the Class A Ordinary Shares held by Decent Ecolo Limited.

(b)

Decent Ecolo Limited. The registered address of Decent limited is Start Chambers, Wickham's Cay II, P.O. Box 2221, Road Town, Tortola, British Virgin Islands.

(c)

Decent Ecolo Limited is an investment holding company primarily engaged in acquiring, holding, and managing equity interests in subsidiaries and other investments. It does not engage in direct business operations.

(d)

The Reporting Person has not, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanours)

(e)

The Reporting Person has not, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which the reporting person was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or a finding of any violation with respect to such laws.

(f)

Decent Ecolo Limited - British Virgin Islands

Item 3.

Source and Amount of Funds or Other Consideration

The Reporting Person is pre IPO shareholder. Decent Ecolo Limited funded its purchase using working capital. Dingyan Sun funded her purchase using personal funds.

Item 4.

Purpose of Transaction

The Reporting Person is a pre-IPO shareholder of the Issuer. The Reporting Person acquired with the intent to exercise control over the Issuer. The Reporting Person intends to continue actively participating in the Issuer's management and strategic direction. Except as set forth herein, the Reporting Person does not have any present plans or proposals which relate to or would result in any of the transactions described in paragraphs (a) through (j) of this Item 4.

Item 5.

Interest in Securities of the Issuer

(a)

Decent Ecolo Limited, holds 1,902,000 Class A Ordinary Shares of the Issuer. Ms. Dingyan Sun, the Director of Issuer, owns 29.47% of Decent Ecolo Limited. However, pursuant to the organizational documents of Decent Ecolo Limited, Dingyan Sun has sole voting and dispositive power over all of the Class A Ordinary Shares held by Decent Ecolo Limited. As a result of this ownership structure, Ms. Sun is deemed to have sole voting and dispositive power with respect to the shares of the Issuer held Decent Ecolo Limited for purposes of Rule 13d-3 under the Securities Exchange Act of 1934. Collectively, the Class A Ordinary Shares beneficially owned by the Reporting Person represents 5.41 percent of the Class A Ordinary Shares. The foregoing disclosure is based on a total of 35,171,405 issued and outstanding Ordinary Shares, as of December 10, 2025, as disclosed in the Issuer's shareholder list on December 10, 2025.

(b)

Decent Ecolo Limited Sole Voting Power: 1,902,000 Class A Ordinary Shares Ordinary Shares Shared Voting Power: 0 Sole Dispositive Power: 1,902,000 Class A Ordinary Shares Shared Dispositive Power: 0

(c)

The Reporting Person have not engaged in any transactions in the class of securities reported on that were effected during the past sixty days.

(d)

Not applicable

(e)

Not applicable

Item 6.

Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer

Except as set forth herein, the Reporting Person has no contracts, arrangements, understandings, or relationships with respect to the Issuer's securities requiring disclosure under this Item 6.

Item 7.

Material to be Filed as Exhibits.

Exhibit A - Decent Ecolo -Joint Voting Resolution

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Decent Ecolo Limited

Signature:	/s/ Dingyan Sun
Name/Title:	Dingyan Sun/director
Date:	12/18/2025