Power Adapter Manufacturer

Product categories

Shenzhen Simsukian Electronics Technology Co., Ltd. is a power adapter manufacturer founded in 1996, producing OEM and ODM power solutions from our 30,000 sqm factory in Shenzhen Longhua, China. With 800+ employees and 30 million units of annual capacity, we build wall-mount adapters, desktop adapters, USB chargers, and PD and GaN fast chargers to Level VI energy efficiency requirements, alongside car USB chargers and EV charging stations.

Request a quotation — send your target specifications, volume, and destination market.

Talk to our engineering team — discuss OEM/ODM customization and compliance requirements.

Ask about samples — evaluate build quality and performance before committing to production.

A Power Adapter Manufacturer Since 1996

Shenzhen Simsukian Electronics Technology Co., Ltd. has operated as a power adapter manufacturer since 1996, building power conversion products for OEM and ODM customers from our base in Shenzhen Longhua, China. Nearly three decades in one industry has shaped how we work: sustained investment in engineering, in test coverage, and in the manufacturing discipline that keeps high-volume programs on schedule.

Our 30,000 sqm factory employs more than 800 people and supports an annual capacity of 30 million units. That combination — a large production floor, an experienced workforce, and stable throughput — allows us to serve established programs with predictable repeat demand as well as new programs that need to scale quickly once a design is validated.

We are recognized as a National High-Tech Enterprise, listed on the Qianhai Equity Exchange (663470), and designated a Shenzhen SRDI enterprise. These recognitions reflect long-term investment in research, development, and specialized manufacturing rather than a single product line. Our portfolio today spans wall-mount AC adapters and desktop power adapters, USB chargers, PD and GaN fast chargers, car USB chargers for 12V vehicle systems, and EV charging stations in both AC and DC configurations.

Energy efficiency is a baseline requirement, not an upgrade. Our adapters are designed to meet Level VI energy efficiency requirements, and our products carry certifications including CE, CB, GS, BS, UL, CUL, FCC, NOM, PSE, KC, KCC, CCC, SAA, ERP, CEC, DOE, MEPS, and ROHS as applicable to each model. Certificates are available upon request.

Buyers evaluating a power adapter manufacturer generally need three things: a product that passes compliance in their market, a factory that can hold the specification across repeated orders, and an engineering partner who answers technical questions directly. We organize our operations around those expectations, from first inquiry through mass production.

Our Product Lines

Wall-Mount AC Adapters

Wall-mount AC adapters that plug directly into the outlet, designed to meet Level VI energy efficiency requirements. Available across a broad range of output voltages and currents, with market-specific plug and input configurations for the regions you serve. Compact housings, stable output under load, and repeatable production make these a practical choice for routers, set-top boxes, IP cameras, POS terminals, and other volume electronics programs. Certificates available upon request.

Desktop Power Adapters

Desktop power adapters in the SK05T, SK06T, SK08T, and SK09T series, among others, delivering higher output for devices that need more headroom than a wall-mount unit provides. Suited to networking equipment, industrial peripherals, audio devices, and comparable applications. Cabled input and output configurations support longer reach and better thermal behavior at higher wattages. Level VI efficiency, multi-region certification coverage, and consistent tooling for repeat orders. Certificates available upon request.

USB Chargers

USB chargers for consumer and commercial accessories, engineered for stable output across multiple ports and long duty cycles. We build to the port counts, output ratings, and plug types your market requires, and each design is validated against the compliance standards that apply where it will be sold. Housings, labeling, and packaging can be adapted to your brand and retail or OEM channel requirements. Certificates available upon request.

PD and GaN Fast Chargers

PD and GaN fast chargers using gallium nitride technology for higher power density in smaller housings. These designs support the fast-charging behavior demanded by laptops, tablets, phones, and accessories, and they run cooler and more efficiently than conventional silicon designs at comparable output. Power topology, thermal design, protocol behavior, and safety validation are handled by our engineering team. Certificates available upon request.

Car USB Chargers

Car USB chargers built for 12V vehicle systems, covering the in-vehicle and accessory formats used across passenger cars, fleet vehicles, and aftermarket programs. Designs account for the voltage swings, temperature extremes, and vibration typical of automotive environments. Multiple port configurations and output ratings are available to match your accessory lineup, with certification coverage for your target markets. Certificates available upon request.

EV Charging Stations

EV charging stations covering AC models SK-AC02, SK-AC03, SK-AC05, SK-AC06, SK-AC07, SK-AC08, and SK-AC09, plus the SK-DC02 DC fast charger. These units extend the same power electronics capability and manufacturing discipline into the EV charging segment for residential, commercial, and fleet installations. Configurations are developed around your target market's electrical standards, enclosure requirements, and installation environment.

Why Source From Simsukian

• Level VI energy efficiency as standard. Our adapters are designed to meet Level VI energy efficiency requirements, with supporting documentation for ERP, CEC, DOE, and MEPS compliance markets. Energy performance is treated as a design input from the start, not a late-stage adjustment.
• Broad global certification coverage. Products are certified to CE, CB, GS, BS, UL, CUL, FCC, NOM, PSE, KC, KCC, CCC, SAA, ERP, CEC, DOE, MEPS, and ROHS as applicable to each model. Certificates available upon request, so your compliance team can verify before commitment.
• 30 million units of annual capacity. A 30,000 sqm factory and 30 million unit annual capacity give you room to scale a program without changing suppliers mid-growth. Tooling is held consistently so repeat orders match the validated sample.
• 800+ employees behind every order. Production, quality, and engineering headcount at this scale means programs are staffed rather than squeezed in. Incoming material control, in-process checks, and final testing run as standing functions.
• OEM/ODM engineering support. Bring a specification, a target market, and a timeline. Our engineers work on output ratings, plug and input configurations, housings, thermal behavior, and compliance requirements to turn your requirement into a manufacturable product.

How We Work With You

1. Inquiry. Send your requirements — product type, output voltage and current, port configuration, target market, estimated annual volume, and any certification needs. Reach us at Tel +86 0755-27488856 or ssq@simsukian.com. We respond with feasibility, questions, and an initial quotation direction.

2. Engineering review. Our team reviews the specification against existing platforms and, where customization is required, evaluates the electrical design, housing, thermal performance, and compliance path. We confirm what can be built on an existing platform and what needs new development.

3. Sampling. Samples are produced for your evaluation and testing. This is the stage where specification details are locked: output behavior, connector type, labeling, packaging, and documentation. Sample feedback is incorporated before tooling and production planning are finalized.

4. Mass production. Once the sample is approved, production is scheduled against your volume and delivery requirements. Material control, in-process inspection, and final testing apply throughout, and repeat orders follow the validated specification.

FAQ

What is your MOQ?

Typical MOQ is 500–1,000 pcs, depending on the model and configuration. Exact MOQ is confirmed at quotation stage, since custom housings, output ratings, or plug types can affect minimum run sizes.

What is your lead time?

Lead time depends on the model, order quantity, and current production scheduling, and is confirmed in your quotation and order documentation. Sampling precedes mass production, so total project timing includes the sample evaluation stage for new or customized designs.

Which certifications do you hold?

Products carry certifications including CE, CB, GS, BS, UL, CUL, FCC, NOM, PSE, KC, KCC, CCC, SAA, ERP, CEC, DOE, MEPS, and ROHS as applicable to each model, and our adapters are designed to meet Level VI energy efficiency requirements. Certificates available upon request.

Can you build to a custom voltage or output rating?

Yes. OEM and ODM customization is part of our standard service. Our engineering team reviews your required output voltage, current, connector, plug type, and housing needs, then confirms feasibility and any development work required before sampling.

Can I get samples before ordering?

Yes. Samples are available for evaluation and testing, and sample feedback is incorporated before tooling and mass production planning are finalized. Contact us with your specification to discuss sample arrangements.

What warranty do you offer?

Warranty terms are confirmed per product and per agreement in your quotation and contract. Where field issues arise, we support failure analysis and corrective action as part of our quality process.

Work With a Power Adapter Manufacturer Built for Long-Term Programs

If you are sourcing wall-mount adapters, desktop adapters, USB chargers, PD and GaN fast chargers, car USB chargers, or EV charging stations, we would like to see your specification. Send your requirements to ssq@simsukian.com or call +86 0755-27488856, and our team will come back with feasibility, configuration options, and a quotation path. From a first sample through volume production, Shenzhen Simsukian Electronics Technology Co., Ltd. is set up to be the power adapter manufacturer your program can rely on.