Technical certificates

Certifications and Technical Documents

Each shipment is accompanied by corresponding compliance documentation. DAH JIN's UL, VDE, ISO 9001, and ISO 14001 certification certificates and SGS RoHS test reports are not available for public download on the website. New customers or those with specific requirements should contact our sales team to request the relevant documents; we will provide the corresponding files after confirming your needs.

Certification and test reportsULVDESGSCompliant with IEC 62368-1 Annex J

Certification photo

DAH JIN on-site certification certificates

ISO 9001 / ISO 14001 Quality and Environmental Management System Certificates

Ministry of Economic Affairs Factory Registration Certificate

Click image to enlarge; for complete certificates and test reports, please contact sales.

Certification documents

Certification and test reports

The following lists the types of our certification and test reports. Based on document control, certificate files are not publicly available for download on the website; please request corresponding documents from our sales team through the "Contact sales to obtain documents" link in each section.

How to obtain documents

DAH JIN's UL/VDE/ISO 9001/ISO 14001 certification certificates and SGS RoHS test reports are not available for public download on the website. New customers or those with specific requirements may request these documents through the online inquiry form below or by phone/Email to our sales team; we will provide the corresponding files after confirming your needs.

Sales contact: Shih Sheng-Wen, Vice President of Sales
Landline: +886 6 330 3385
Mobile Phone: +886 919 113 899
Email: stone@dahjin.net
Secondary: +886 919 846 367·gs@dahjin.net
LINE: Add LINE Friend
Business Hours: Monday to Friday 08:30–17:30 (GMT+8)

Online inquiry / Request documents →

Underwriters Laboratories · U.S. Safety Certification

UL Winding Wire Certification E236542, Category OBJT2 (1)TypeUL certificateApplicable specificationsFull seriesCertificate numberE236542Contact sales to obtain documents Official verification ↗
UL Winding Wire Certification E236542, Category OBJT2 (2)TypeUL certificateApplicable specificationsTriple Insulated WireCertificate numberE236542Contact sales to obtain documents
UL Certificate of Compliance (UL 2353) (1)TypeApproval documentApplicable specificationsFull seriesContact sales to obtain documents
UL Certificate of Compliance (UL 2353) (2)TypeApproval sheetApplicable specificationsFull seriesContact sales to obtain documents
UL E236542 Appendix C Test Procedure Page 2 (Dielectric Tests)TypeUL supplementary documentApplicable specificationsFull seriesContact sales to obtain documents
UL E236542 Appendix C Test Procedure Page 2 (Duplicate)TypeUL supplementary documentApplicable specificationsFull seriesContact sales to obtain documents
UL E236542 Appendix C Test Procedure Page 2B (Thermal Shock Criteria)TypeUL supplementary documentApplicable specificationsFull seriesContact sales to obtain documents
UL Insulation System DJ-130 E318181 (Category OBJS2)TypeUL insulation systemApplicable specificationsFull seriesCertificate numberE318181Contact sales to obtain documents Official verification ↗

VDE

Verband der Elektrotechnik · German Electrical Certification

VDE Certificate of Conformity 40008834 (with Factory Surveillance)TypeVDE certificateApplicable specificationsTriple Insulated Wire seriesCertificate number40008834Contact sales to obtain documents

SGS

SGS Test Report · IEC 62321 RoHS Hazardous Substances

SGS RoHS Test Report KA/2006/C0513A-01 (Chinese)TypeSGS RoHS test reportApplicable specificationsFull seriesCertificate numberKA/2006/C0513A-01Contact sales to obtain documents
SGS RoHS Test Report KA/2006/C0513 (English)TypeSGS RoHS test reportApplicable specificationsFull seriesCertificate numberKA/2006/C0513Contact sales to obtain documents
Triple-Insulated Wire SGSTypeSGS test reportApplicable specificationsTLW-B seriesContact sales to obtain documents
2008 SGSTypeSGS test reportApplicable specificationsFull seriesContact sales to obtain documents
SGS RoHS Test Report EKR26701102 (TLW-B1/B2/B/BB/BB1)TypeSGS test reportApplicable specificationsTLW-B1／TLW-B2／TLW-B／TLW-BB／TLW-BB1Certificate numberEKR26701102Contact sales to obtain documents
SGS RoHS Test Report EKR25B00800 (TLW-F)TypeSGS test reportApplicable specificationsTLW-FCertificate numberEKR25B00800Contact sales to obtain documents
SGS REACH SVHC Test Report EKR25200805A02 (6 models incl. TLW-B7S)TypeSGS test reportApplicable specificationsSix models including TLW-B7SCertificate numberEKR25200805A02Contact sales to obtain documents
SGS REACH SVHC Test Report EKR25B00801M01 (TLW-F)TypeSGS test reportApplicable specificationsTLW-FCertificate numberEKR25B00801M01Contact sales to obtain documents

ISO

Management System · Quality (ISO 9001) and Environmental (ISO 14001) Management Systems

ISO 9001 Quality Management SystemTypeQuality management systemApplicable specificationsFull seriesCertificate numberDZ/TW/2604112QValidity period2029-04-29Contact sales to obtain documents Official verification ↗
ISO 14001 Environmental Management SystemTypeEnvironmental management systemApplicable specificationsFull seriesContact sales to obtain documents

Additional Documents

CQC / RoHS / REACH Compliance Declarations

Triple Insulated Wire Specification Table (Approval Document)TypeTechnical specificationApplicable specificationsTLW-BContact sales to obtain documents

Verify It Yourself

Verify DAH JIN's Certifications in the Official Databases

You can verify DAH JIN's certification status directly in UL's official public database — no need to go through us. That is why we print our file number right on this website. The VDE certificate and its appendix documents are provided by our sales contact together with your quotation request.

UL Product iQ

UL File Number：E236542

In UL’s official Product iQ database (viewable after free registration), enter E236542 in the search bar to see the certification records of DAH JIN TECHNOLOGY CO LTD under the "Single- and Multi-layer Insulated Winding Wire" category (OBJT2).

Open DAH JIN's UL Record ↗UL Product iQ Portal ↗

Actual Verification Screens

Below are actual query result screens from official databases (August 2026); following the links above will show the same content. Insulation System DJ-130 (UL E318181, OBJS2 component category) can be verified using the same method.

UL Product iQ E236542 — UL E236542 · OBJT2

UL Product iQ E318181 — UL E318181 · OBJS2 (EIS DJ-130)

Evaluating an alternative source for TEX-E? See the TEX-E cross-reference and second-source guide →

Substance declaration

RoHS / REACH compliance declaration

Providing environmental and chemical substance restriction declaration documents to assist downstream customers in completing green supply chain and regulatory filing. For detailed declaration documents, please contact our sales team.

RoHS declaration

Compliant

Compliant with RoHS Directive restricted substance requirements, verified by SGS testing per IEC 62321, covering restricted substances including lead, cadmium, mercury, and hexavalent chromium.

REACH Declaration

Compliant

Compliant with REACH Regulation Substances of Very High Concern (SVHC) list requirements, verified by SGS testing, supporting supply chain compliance verification for European market.

Need complete documentation?

Request compliance documents for corresponding batch

Provide us with your product model and target market, and our sales team will furnish the formal certification certificate and substance declaration for the corresponding shipment batch.

Contact sales for documentation →