About Winna Technology

Power Adapters

Power Adapter Manufacturing Base

Specializing in the R&D and manufacturing of AC/DC power adapters, switching power supplies, and PD fast chargers with a monthly capacity of 400,000+ units. Fully certified to CE, UL, FCC, RoHS, CCC, PSE, KC, and SAA standards, our products are exported worldwide. Every unit undergoes 100% burn-in aging testing before shipment, achieving a field failure rate below 0.02%.

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Cable Harness

Cable Harness Manufacturing Base

Equipped with fully automatic terminal crimping machines, injection molding systems, and complete assembly lines, our factory specializes in AC power cords, DC connection cables, industrial equipment harnesses, and new energy vehicle wiring assemblies. Custom manufacturing supported from drawings — 7 to 15 days from drawing approval to first delivery. 100% continuity testing on every batch.

• OEM/ODM custom manufacturing per customer drawings

• One-stop service from design to mass production

• 100% electrical continuity test on every batch

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Ultrasonic Welding

Ultrasonic Metal Welding Manufacturing Base

With over a decade of experience in ultrasonic metal welding equipment R&D, our power range covers 3000W to 12000W. Our systems are deployed worldwide for battery tab welding, wire harness terminal welding, busbar joining, and copper-to-aluminum dissimilar metal welding. Free sample testing available — receive a complete weld test report within 1 to 3 business days.

• Precision copper and aluminum welding

• Battery tab welding yield rate 99.5%+

• Automated production line integration ready

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