Common Support

Shared support resources for both LED component and lighting customers. Find answers to common questions, download technical documents, verify certifications, or reach our support team.

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Support Center

Technical support request form, warranty information, and return policies for all Queendom products.

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FAQ

Frequently asked questions about LED components and lighting products, organized by category.

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Certificates

Product certifications including RoHS, CE, UL, ISO 9001, and IEC compliance documents.

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Download Center

Centralized download directory for datasheets, IES files, 3D models, and technical documents.

LED Components Support

For technical questions about LED chips, packages, specifications, or failure analysis:

LED Component Support Email

Application Notes | Failure Analysis

Lighting Support

For questions about lighting fixtures, installation, photometric data, or project design:

Lighting Support Email

Lighting Design Guide | Installation Guides