Winna Technology offers free samples across our three product lines. Please select the product category and send the following information to liuyan@winna-group.com. We will confirm your request and arrange shipment within 1–2 business days.
Internal/external wiring harnesses and custom cable assemblies for consumer electronics, industrial equipment, and new energy applications.
Wall-mount, desktop, interchangeable plug series, 5W–120W, compatible with international plug standards.
For battery tab welding, harness terminal bonding, relay contact welding, and other metal joining processes.
Copy the template below, fill it in, and email us for quick sample matching:
1. Sample Cost
Standard samples free (3–5 pcs/model). Extra qty or custom fabrication quoted separately.
2. Shipping Method
Domestic China: SF Express (1–3 bus. days). Overseas: DHL/FedEx (3–7 bus. days). Shipping cost negotiable.
3. Lead Time
In-stock: shipped in 1–2 bus. days. Custom: 5–15 bus. days depending on complexity.
4. Volume Order Policy
After sample approval, MOQ per product line standards. Credit terms available for long-term partners.
5. After-Sales Service
If sample doesn't match specs or arrives damaged, contact us within 3 bus. days for free replacement.
For any questions, please email liuyan@winna-group.com or contact us via: