# EDGAR Filing Document

**Accession Number:** 0002044237
**File Stem:** 0001213900-25-063243
**Filing Date:** 2025-7
**Character Count:** 9242
**Document Hash:** 2167106b8f4903854245b87d26f9444a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-063243.hdr.sgml**: 20250711

**ACCESSION NUMBER**: 0001213900-25-063243

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250711

**DATE AS OF CHANGE**: 20250711

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** JIADE Ltd
- **CENTRAL INDEX KEY:** 0001976908
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-EDUCATIONAL SERVICES [8200]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94738
- **FILM NUMBER:** 251118953

**BUSINESS ADDRESS:**
- **STREET 1:** UNIT 2-02, PUNINGDUN BUSINESS PLAZA
- **STREET 2:** NO.1702&1706 MINJIANG RD, JINJIAN DIST.
- **CITY:** CHENGDU CITY, SICHUAN PROVINCE
- **STATE:** F4
- **ZIP:** 610000
- **BUSINESS PHONE:** 400-028-0776

**MAIL ADDRESS:**
- **STREET 1:** UNIT 2-02, PUNINGDUN BUSINESS PLAZA
- **STREET 2:** NO.1702&1706 MINJIANG RD, JINJIAN DIST.
- **CITY:** CHENGDU CITY, SICHUAN PROVINCE
- **STATE:** F4
- **ZIP:** 610000
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Chan Ka Fai Koly
- **CENTRAL INDEX KEY:** 0002044237

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**MAIL ADDRESS:**
- **STREET 1:** 3A, LUNG CHEUNG VILLA, NO. 57
- **STREET 2:** BEACON HILL ROAD, KOWLOON
- **CITY:** HONG KONG
- **STATE:** K3
- **ZIP:** 000000

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Issuer:** JIADE Ltd

**Title of Class of Securities:** Ordinary shares, par value $0.01 per share

**CUSIP Number:** G7396L103

**Date of Event Which Requires Filing of this Statement:** 06/10/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [x] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>WISMASS INTERNATIONAL HOLDINGS LIMITED | Names of Reporting Persons<br>WISMASS INTERNATIONAL HOLDINGS LIMITED |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>D8 | Citizenship or Place of Organization<br>D8 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0% | Percent of Class Represented by Amount in Row (9)<br>0% |
| 12. | Type of Reporting Person (See Instructions)<br>FI | Type of Reporting Person (See Instructions)<br>FI |

---

| 1. | Names of Reporting Persons<br>Ka Fai Koly Chan | Names of Reporting Persons<br>Ka Fai Koly Chan |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>K3 | Citizenship or Place of Organization<br>K3 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>0.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0% | Percent of Class Represented by Amount in Row (9)<br>0% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** The following constitutes Amendment No. 1 ("Amendment No. 1") to the Schedule 13G jointly filed with the SEC by Wismass International Holdings Limited and Ka Fai Koly Chan (each a "Reporting Person" or collectively, the "Reporting Persons") on November 14, 2024 (the "Schedule 13G"). This Amendment No. 1 amends and supplements the Schedule 13G as specifically set forth herein. The Reporting Persons are filing this Amendment No. 1 to report certain changes in their beneficial ownership of ordinary shares of the issuer as a result of the sale of an aggregate of 1,835,471 ordinary shares.

All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13G.  Information given in response to each Item below shall be deemed incorporated by reference in all other Items where such information is relevant and applicable. Except as set forth herein, the Schedule 13G is unmodified and remains in full force and effect.

---

**Item 1(a). Name of Issuer:**
JIADE Ltd

**Item 1(b). Address of Issuer's Principal Executive Offices:**
Unit 2-02, Puningdun Business Plaza, No. 1702 and 1706 Minjiang Road, Jinjiang District, Chengdu City, Sichuan Province, China.

**Item 2(a). Name of Person Filing:**
—

**Item 2(b). Address of Principal Business Office:**
—

**Item 2(c). Citizenship:**
—

**Item 2(d). Title of Class of Securities:**
Ordinary shares, par value $0.01 per share

**Item 2(e). CUSIP Number:**
G7396L103

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

The information required by Items 4(a)-(c) is set forth in Rows 5-11 of each Cover Page and is incorporated herein by reference.

**(b) Percent of class:**

—

**Item 5. Ownership of Five Percent or Less of a Class.**

[ ] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

—

**Item 7. Identification and Classification of the Subsidiary**

—

**Item 8. Identification and Classification of Members of the Group**

—

**Item 9. Notice of Dissolution of Group**

—

**Item 10. Certification:**

—

### 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.

**WISMASS INTERNATIONAL HOLDINGS LIMITED**

**Date:** 07/11/2025

**By:** /s/ Ka Fai Koly Chan

**Name & Title:** Ka Fai Koly Chan

**Ka Fai Koly Chan**

**Date:** 07/11/2025

**By:** /s/ Ka Fai Koly Chan

**Name & Title:** Ka Fai Koly Chan, Director