USB-C Adapters

Sunshine Electronics is a leading manufacturer of USB-C adapters and Type-C dongles for OEM brands, telecom operators, and electronics distributors — covering the full connectivity range: USB-C to HDMI (4K@60Hz), USB-C to DisplayPort, USB-C to VGA, USB-C to Gigabit Ethernet, USB-C to 3.5mm audio (Hi-Res 24-bit/96kHz), and multi-function 3-in-1 adapters with PD passthrough. Every adapter ships with UL 62368-1, FCC, CE, and RoHS compliance from our dual-factory footprint in China and Vietnam — giving buyers built-in China+1 sourcing and tariff flexibility. With 22+ years supplying AT&T, DirecTV, and Amphenol, our engineering team builds custom housing colors, cable lengths, connector combinations, and private-label packaging on schedules as tight as 5 weeks.

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Featured USB-C Adapters

Customize Quality USB-C Adapters on Budget

Sunshine’s USB-C adapter OEM program supports custom port configurations (swap USB-A for USB-C outputs, add additional HDMI or Ethernet ports), custom cable lengths (5cm–30cm tethered USB-C), custom color anodization (silver, space gray, black, gold, rose gold), logo laser engraving, and private-label retail packaging with UPC codes and Amazon FBA-ready prep. Custom samples ship in 5–7 working days. Contact our engineering team →

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Our Advantages With USB-C Adapters

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Advanced Technology

At Sunshine, we utilize the latest advancements in USB-C technology to design and manufacture power adapters that are at the forefront of innovation. Our products offer enhanced charging speeds, greater power efficiency, and universal compatibility, ensuring they meet the diverse needs of modern consumers.

Customization Expertise

We pride ourselves on our ability to customize our USB-C adapters to meet specific customer requirements. From varying power outputs of 12W and 15W to bespoke designs, materials, packaging, and labeling, our experienced R&D team works closely with clients to deliver tailor-made solutions.

Robust Safety Features

Safety is paramount in our manufacturing process. All our USB-C adapters are equipped with comprehensive safety features, including over-current protection, over-voltage protection, short-circuit protection, and fireproof housings. These measures ensure that our products are reliable and secure for all users.

Efficient Global Supply Chain

With manufacturing facilities in China and Vietnam, Sunshine ensures a streamlined and efficient supply chain. This strategic positioning allows us to offer competitive pricing, reduced lead times, and various logistics solutions, guaranteeing timely delivery and exceptional service to our global clientele.

Sunshine USB-C Adapter

Our USB-C Adapter Factory in China & Vietnam

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USB-C Adapter Engineering

With 22+ years focused on USB connectivity, Sunshine has built deep expertise in DisplayPort Alt Mode signal routing, USB-IF certified conversion IC integration, and compact single-function adapter design. Our USB-C adapters deliver full 4K@60Hz video output, gigabit Ethernet throughput, and Hi-Res audio conversion, validated across MacBook Pro, Dell XPS, ThinkPad, Surface, Chromebook, and iPad Pro. Each adapter uses aluminum alloy housings with gold-plated USB-C contacts and UL94 V-0 flame-rated PCB substrate.

For 4K HDMI and DisplayPort SKUs, we specify HDCP 2.2 compliance and run eye-pattern analysis on every production lot. Ethernet adapters use class-compliant (CDC-ECM) chipsets for zero-driver plug-and-play. Audio adapters integrate 24-bit/96kHz Hi-Res DACs with 100dB SNR for pro-audio-grade output. Every order ships with a signed test report tied to the lot number.

Quality Standards & Certifications

Every USB-C adapter is manufactured in aluminum alloy housings with UL94 V-0 flame-rated internal components, gold-plated USB-C contacts, and controlled-impedance PCB routing. Our 6-stage quality control (IQC, IPQC, 100% electrical test, burn-in, FQA at AQL 0.65, and final visual inspection) delivers defect rates below 0.12% across the last four quarters. All adapters carry UL 62368-1, FCC Part 15 Class B, CE (LVD + EMC), RoHS 3, and REACH certifications. Video-enabled SKUs (HDMI, DisplayPort, VGA) ship with HDCP 2.2 compliance test reports.

Custom USB-C Adapters for Your Business

Sunshine’s USB-C adapter OEM program supports custom cable lengths (5cm–30cm tethered USB-C), aluminum color anodization (silver, space gray, black, gold), logo laser engraving, and private-label retail packaging with UPC codes and Amazon FBA-ready prep. We also build custom connector combinations on request — USB-C to proprietary DC barrel, USB-C to XLR audio, USB-C to Thunderbolt — for professional AV integrators. Standard-configuration MOQ starts at 1,000 units; fully custom tooling at 3,000 units. Custom samples ship in 5–7 working days. Contact our engineering team →

Global Shipping & Dual-Factory Production

Our dual-factory production spans Changzhou, China (established 2001, 600+ workers) and Vinh Phuc, Vietnam (established 2018, 1,000+ workers). The Vietnam facility provides a China+1 sourcing strategy for tariff optimization on US-bound shipments — identical quality processes, certifications, and production capabilities across both sites. Annual combined capacity exceeds 20 million power adapter units. Standard lead time is 25–35 days from order confirmation. We support multiple logistics methods including FOB, CIF, DDP, and direct-to-Amazon FBA fulfillment.

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Customer Reviews

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Rated 5 out of 5
We switched our enterprise docking station supply to Sunshine after quality issues with a US distributor. The 11-in-1 dock quality matches Kensington/Plugable at the spec level, but costs 40% less at our 50,000-unit annual volume. Zero driver complaints from our IT help desk in 14 months.
IT Procurement Director
Fortune 500 Technology Company, USA
Rated 5 out of 5
Sunshine delivered 30,000 custom-branded USB-C multiport adapters in 28 days for our Amazon launch. The aluminum housing quality is visible vs. plastic competitors — reviews consistently mention 'premium build' and we've maintained 4.6 stars across 12,000+ reviews. Vietnam factory saved us on tariffs.
Amazon Brand Manager
Computer Accessories Brand, USA

USB-C Adapter Manufacturer FAQ

Sunshine manufactures single-function USB-C adapters across the full connectivity range: USB-C to HDMI (4K@30Hz and 4K@60Hz), USB-C to DisplayPort, USB-C to VGA, USB-C to HDMI/VGA dual-output, USB-C to Gigabit Ethernet, USB-C to 3.5mm audio (TRRS), USB-C to 3.5mm + PD charging combo, and USB-C 3-in-1 multiport (HDMI + USB-A + PD). All adapters use tethered USB-C connectors (10-15cm) with aluminum alloy housings.

Every USB-C adapter is validated across Windows 10/11, macOS 11+, Chrome OS, iPadOS, and Android. Video adapters (HDMI, DisplayPort, VGA) require DisplayPort Alt Mode support on the host USB-C port — standard on all MacBook Pro/Air, Dell XPS, ThinkPad X/T/P series, Surface Pro/Laptop, Chromebooks, and iPad Pro/Air. Ethernet and audio adapters work on any USB-C host regardless of Alt Mode support.

Yes. Our OEM program covers custom housing colors (silver, space gray, black, gold, rose gold), laser-engraved logos, custom cable lengths (5cm to 30cm), custom PCB circuitry (proprietary connectors, additional ports), and full retail packaging with UPC codes and Amazon FBA-ready prep. Design turnaround is 10–14 days for tooling concepts; sampling follows at 3–4 weeks. MOQ 1,000 units standard / 3,000 units custom.

Every production USB-C adapter meets UL 62368-1, FCC Part 15 Class B, CE (LVD + EMC Directive), RoHS 3 (2015/863/EU), and REACH. Video adapters (HDMI 2.0, DisplayPort 1.2) ship with HDCP 2.2 compliance test reports. We provide full test reports — not just certificates — per audited telecom and retail buyer requirements. Audio adapters carry Hi-Res Audio certification.

Standard configurations run a 1,000-unit MOQ. Custom tooling — new housing shapes, unique connector combinations, proprietary PCB — requires 3,000 units minimum to amortize mold costs. Mixed-SKU POs are welcome; minimums apply per SKU. For telecom and retail tender volumes (10K+ units per SKU), we offer consolidated pricing and dedicated production slots at our Vietnam factory.

Standard factory warranty is 24 months from date of production against manufacturing defects — longer than most competitors’ 12-month coverage. Extended warranties to 36 months are available on contract for retail and corporate programs. Warranty covers conductor failure, housing defects, IC failure, HDCP handshake issues, and connector wear.

Submit your spec and target quantity via our contact form. Typical flow: quote in 24–48 hours → sample approval in 2 weeks → production in 4–6 weeks from our China factory or 3–5 weeks from our Vietnam factory (volume-dependent, China+1 sourcing option for tariff optimization). DDP shipping to major NA and EU ports. Urgent 3-week programs available for stocking SKUs.