# EDGAR Filing Document

**Accession Number:** 0001875016
**File Stem:** 0001354457-25-000744
**Filing Date:** 2025-7
**Character Count:** 1110
**Document Hash:** 106c6c0ab7bb1a8a43502a0edfcecf7b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001354457-25-000744.hdr.sgml**: 20250729

**ACCESSION NUMBER**: 0001354457-25-000744

**CONFORMED SUBMISSION TYPE**: CERT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250729

**DATE AS OF CHANGE**: 20250729

**EFFECTIVENESS DATE**: 20250729

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** J-Star Holding Co., Ltd.
- **CENTRAL INDEX KEY:** 0001875016
- **STANDARD INDUSTRIAL CLASSIFICATION:** [3949]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** CERT
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42767
- **FILM NUMBER:** 251158474

**BUSINESS ADDRESS:**
- **STREET 1:** 7/F-1, NO. 633, SEC. 2, TAIWAN BLVD.
- **STREET 2:** XITUN DISTRICT
- **CITY:** TAICHUNG CITY 407
- **STATE:** F4
- **ZIP:** 40759
- **BUSINESS PHONE:** 886 423229900

**MAIL ADDRESS:**
- **STREET 1:** 7/F-1, NO. 633, SEC. 2, TAIWAN BLVD.
- **STREET 2:** XITUN DISTRICT
- **CITY:** TAICHUNG CITY 407
- **STATE:** F4
- **ZIP:** 40759

### Attached PDF Documents

**Attachment 1:** `8A_Cert_YMAT.pdf`

_No text found in this document._