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Professional Power Adapter
Manufacturer & Supplier

High-efficiency switching power supplies, LED drivers, and CCTV power boxes with global certifications. OEM/ODM services available.

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About Goksja

Shenzhen Guangkuoshiji Technology Co., Ltd. (Goksja) is a professional power device manufacturer founded in 2011. Our factory is located in Foshan City, Guangdong Province, China, with over a decade of experience in designing and producing high-quality power adapters, switching power supplies, and accessories.

We serve retailers, wholesalers, engineering contractors, and OEM/ODM partners worldwide. No project is too small or too large — our trained sales engineers are ready to support your power needs with technical expertise and responsive service.

Trusted by Global Clients
  • Factory Direct Pricing
  • One-Year Warranty
  • Free Sample Available
  • Global Shipping
Factory Interior Production Line Quality Testing Product Packaging

Global Certifications

Our products meet international safety and performance standards.

CE-LVD

CE-EMC

UKCA

FCC

ROHS

CB

SAA

CCC

Our Products

High-efficiency power solutions for CCTV, LED lighting, industrial systems, and consumer electronics.

12V 50A 600W LED Power Supply

12V 50A 600W LED Power Supply

High-efficiency AC/DC converter with CE, FCC, and ROHS certification. Ideal for large-scale LED lighting systems.

600W 12V CE, FCC, ROHS
24V 3A Desktop Power Adapter

24V 3A Desktop Power Adapter

72W AC/DC adapter with 5.5x2.5mm DC connector. Certified with CE, FCC, ROHS, SAA. Fast delivery available.

72W 24V SAA Certified
18-Port 12V 30A CCTV Power Box

18-Port 12V 30A CCTV Power Box

High-performance power solution with PTC protection. Reliable for multi-camera surveillance systems.

18-Port 12V 30A PTC Protection
12V 10A LED Power Adapter

12V 10A LED Power Adapter

Custom OEM/ODM solutions for high-power LED applications. Universal input 100-240V AC.

120W 12V 10A OEM/ODM
12V 5A Power Adapter

12V 5A Power Adapter

60W switching power supply for CCTV systems. Safety marked, CE, FCC, ROHS compliant.

60W 12V 5A CCTV Ready
480W 12V 40A Power Supply

480W 12V 40A Power Supply

High-quality switching power solution with 2-year warranty. Suitable for industrial and commercial use.

480W 12V 40A 2-Year Warranty
12V 1A EU Plug Adapter

12V 1A EU Plug Adapter

12W wall-mounted power supply with EU plug. CE, FCC, ROHS, SAA certified. Compact and reliable.

12W EU Plug Wall-Mounted
12V 15A Adjustable Power Supply

12V 15A Adjustable Power Supply

180W switching power supply with adjustable voltage. CE, FCC, ROHS certified for flexible applications.

180W Adjustable Industrial Grade
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Why Choose Us?

Decades of experience, global compliance, and customer-focused service.

Factory Direct

Eliminate middlemen. Get competitive pricing straight from our manufacturing facility in Guangdong, China.

OEM/ODM Support

Customize voltage, connectors, labeling, and packaging. We support your brand with full technical assistance.

Fast Delivery

Efficient logistics network ensures prompt shipping worldwide. Sample orders dispatched quickly.

Expert Support

Our trained sales engineers provide technical guidance and responsive customer service in English and Chinese.

10+

Years Experience

50+

Countries Served

100K+

Units Shipped

99.8%

Customer Satisfaction

Frequently Asked Questions

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM services including custom labeling, packaging, voltage specifications, and connector types.

What certifications do your products have?

Our products are certified with CE, FCC, ROHS, UKCA, CB, BIS, SAA, RCM, and CCC to meet global safety and EMC standards.

Can I get a free sample?

Yes, free samples are available for evaluation. Contact us to request a sample of your desired product.

What is your warranty policy?

We offer a standard one-year warranty on all products. Some high-end models come with a 2-year warranty.

How do I place an order?

You can contact us via email or WhatsApp with your product specifications and quantity. We’ll provide a quote and guide you through the process.

Get in Touch

Reach out for quotes, samples, or technical support.

Phone / WhatsApp

+86 15112702938

Email

[email protected]

Skype / Teams

[email protected]

Address

Floor 5th, Building B No.26, Changjin Road, Longgang District, Shenzhen City, Guangdong Province, China

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