High-quality AC/DC power adapters, switching power supplies, and USB chargers, custom-engineered for telecom, industrial, and communication markets. Partner with a proven supplier serving top global brands.
Next-gen USB-C adapters built for fast-charging and universal device compatibility across modern electronics.
Durable AC/DC adapters optimized for continuous industrial performance with stable voltage output and superior heat resistance.
High-efficiency switching power supplies that meet strict energy standards for industrial and communication equipment.
Wall-mount power adapter with interchangeable global plug options – ideal for telecom and industrial applications.
Tailored charger solutions with full OEM/ODM capabilities from concept to production for brand-customized products.
Durable, precision-engineered cables ensuring safe and stable data transmission with reinforced connectors and superior insulation.
Ensure cost efficiency and flexible logistics. Our two-country operation mitigates tariff risks and optimizes supply chain reliability for global clients.
Trusted by global brands such as AT&T, Verizon, and T-Mobile, we deliver consistent quality that meets international safety, certification, and reliability standards.
Experience responsive, time-zone-aligned communication and support from our U.S. representatives for faster decision-making and project management.
Our dedicated R&D team provides custom product design, testing, and compliance solutions to meet your exact technical and branding requirements.
All products are rigorously tested and certified under UL, CE, RoHS, and FCC standards to ensure consistent safety, performance, and durability.
Global expertise, certified quality, and dual manufacturing strength — delivering reliable, customized power solutions trusted by leading international brands.
With over 20 years of expertise, Sunshine Electronics stands at the forefront of the global power adapter manufacturing industry, combining engineering precision with dependable logistics.
We don’t just manufacture — we partner with global clients to deliver scalable, cost-effective, and certified power solutions that drive product success and market growth.
“Sunshine’s flexibility and speed have made them our go-to power adapter supplier.”
U.S. Telecom OEM
“Their Vietnam facility helped us avoid tariff complications while maintaining quality standards identical to China.”
Industrial Equipment Company
“Our custom OEM chargers were delivered on time and passed all U.S. certifications without rework — a huge win for us.”
Communication Brand
Below are some frequently asked questions regarding power adapter wholesale and service. If you can't find what you're looking for, feel free to just contact us.
Yes. All adapters comply with UL, FCC, and DOE standards. We supply complete testing reports to ensure your imports meet U.S. safety and efficiency requirements.
Yes. Our in-house R&D team supports full OEM/ODM customization, including voltage, housing, plug type, and branding, with rapid sampling and development support.
Yes. With facilities in both China and Vietnam, you can select production based on logistics, tariffs, or lead time—while maintaining consistent product quality.
We serve telecom, industrial, media, and consumer electronics clients worldwide, providing reliable, safety-certified adapters for professional and high-performance applications.
Contact our U.S.-based sales team or submit your specs online. We’ll respond within 24 hours with a detailed quotation and delivery schedule.
Our MOQ varies by product type and customization requirements — we offer flexible options to accommodate both small pilot runs and large-scale production orders.
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