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Shenzhen Keyulong Technology Co., Ltd.
Shenzhen power adapter and charger source manufacturer | Fast charger | 5W-120W custom power supply
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Products
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12W power adapter, certified to CCC/CE/UL/FCC/UKCA (China/US/EU/UK), available in output ratings: 12V1A, 5V1A, 5V2A, 12V0.5A, 6V2A, etc.
12W power adapter, certified to CCC/CE/UL/FCC/UKCA (China/US/EU/UK), available in output ratings: 12V1A, 5V1A, 5V2A, 12V0.5A, 6V2A, etc.
24W power adapter, certified to CCC/CE/UL/FCC/UKCA/KC/PSE (meeting Chinese, US, European, UK, South Korean, and Japanese standards). Available output specifications: 12V2A, 12V1.5A, 5V3A, 24V1A, 19V1A, 21V1A, etc.
24W power adapter, certified to CCC/CE/UL/FCC/UKCA/KC/PSE (meeting Chinese, US, European, UK, South Korean, and Japanese standards). Available output specifications: 12V2A, 12V1.5A, 5V3A, 24V1A, 19V1A, 21V1A, etc.
36W power adapter, certified to CCC/CE/UL/FCC/UKCA/PSE (meeting Chinese, US, European, UK, and Japanese standards). Available output specifications: 12V3A, 12V2.5A, 5V4A, 24V1.5A, 29V1A, etc.
36W power adapter, certified to CCC/CE/UL/FCC/UKCA/PSE (meeting Chinese, US, European, UK, and Japanese standards). Available output specifications: 12V3A, 12V2.5A, 5V4A, 24V1.5A, 29V1A, etc.
48W power adapter, certified to CCC/CE/UL/FCC/UKCA/PSE (meeting Chinese, US, European, UK, and Japanese standards). Available output specifications: 12V4A, 24V2A, 18V2.5A, 15V2A, 21V2A, 19V2A, etc.
48W power adapter, certified to CCC/CE/UL/FCC/UKCA/PSE (meeting Chinese, US, European, UK, and Japanese standards). Available output specifications: 12V4A, 24V2A, 18V2.5A, 15V2A, 21V2A, 19V2A, etc.
65W power adapter, certified to CCC/CE/FCC/UKCA (meeting CN, US, EU, and UK standards). Available output specifications: 12V5A, 24V2.5A, 18V3A, 15V4A, 21V3A, 19V3A, 29V2A, etc.
65W power adapter, certified to CCC/CE/FCC/UKCA (meeting CN, US, EU, and UK standards). Available output specifications: 12V5A, 24V2.5A, 18V3A, 15V4A, 21V3A, 19V3A, 29V2A, etc.
5V1A USB charger with certifications for China, the US, Europe, Japan, and the UK: 3C, CE, UL, FCC, PSE, UKCA. Suitable for various low-power electronic products.
5V1A USB charger with certifications for China, the US, Europe, Japan, and the UK: 3C, CE, UL, FCC, PSE, UKCA. Suitable for various low-power electronic products.
48W desktop power adapter with C14 (Mickey Mouse) / C8 inlet，with indicator light, certified to CCC/CE/FCC/UKCA/RoHS/PSE/BS/CB, etc. . Available output specifications: 12V4A, 24V2A, 18V2.5A, 15V2A, 21V2A, 19V2A, etc.
48W desktop power adapter with C14 (Mickey Mouse) / C8 inlet，with indicator light, certified to CCC/CE/FCC/UKCA/RoHS/PSE/BS/CB, etc. . Available output specifications: 12V4A, 24V2A, 18V2.5A, 15V2A, 21V2A, 19V2A, etc.
65W desktop power adapter with C14 (Mickey Mouse) / C8 inlet, certified to CCC/CQC/CE/FCC/UKCA/KC . Available output specifications: 12V5A, 24V2.5A, 18V3A, 15V4A, 21V3A, 19V3A, 29V2A, etc.
65W desktop power adapter with C14 (Mickey Mouse) / C8 inlet, certified to CCC/CQC/CE/FCC/UKCA/KC . Available output specifications: 12V5A, 24V2.5A, 18V3A, 15V4A, 21V3A, 19V3A, 29V2A, etc.
About us
Our professional team will provide you with the best service
ABOUT US
Shenzhen Keyulong Technology Co., Ltd.
Shenzhen Keyulong Technology Co., Ltd.
Shenzhen Keyulong Technology Co., Ltd. Mid-to-High End Power Adapter · Customized Solution Provider Make Every Watt More Valuable Focus on 5W-120W Power Range High Reliability · Full Compliance · Fast Customization Keyulong Technology – Shenzhen Power Adapter Source Factory Shenzhen Keyulong Technology Co., Ltd. (Keyulong Technology) is a power adapter manufacturer and charger customization manufacturer located in Gushu, Bao'an, Shenzhen, Guangdong , with an ...
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8000+
Factory Area
15+
Engineers
100+
Certificates
100万+
Capacity per Month
Application
Koyulong Technology Power Adapter | Charger | Fast Charging Head is widely used in various products such as digital communication, household appliances, IT products, light strips, smart tools, etc
Lighting Equipment
Lighting Equipment
ICT Equipment
ICT Equipment
Security & Surveillance
Security & Surveillance
Audio/Video
Audio/Video
Home Appliances
Home Appliances
Consumer Electronics
Consumer Electronics
Medical Equipment
Medical Equipment
Drone
Drone
Customization Process
We provide a simple and efficient customization process
01
Customize
Through online consultation or telephone consultation
02
Quotation
Preliminary quotation based on demand
03
Details
Both parties reached a consensus on their opinions
04
Proofing
Produce according to customer requirements
05
Payment
Sign the order contract
06
Completed
Product delivery, completion of transaction after customer satisfaction
Process Flow
Every process is taken seriously to ensure that the product fully meets expectations
Warehousing
Warehousing
QA Sampling
QA Sampling
Packaging
Packaging
Visual Inspection
Visual Inspection
Testing Before Packaging
Testing Before Packaging
ATE Testing of Finished Before Packaging
ATE Testing of Finished Before Packaging
Aging
Aging
Finished ATE Testing
Finished ATE Testing
Finished Product Testing
Finished Product Testing
Ultrasound
Ultrasound
Assembly
Assembly
Laser Engraving
Laser Engraving
PCBA Testing
PCBA Testing
PCBA Appearance
PCBA Appearance
Back Welding
Back Welding
Tin Dipping
Tin Dipping
AI Plugin
AI Plugin
Incoming Inspection
Incoming Inspection
Honors & Qualifications
Through ISO9001 quality management system certification, each product meets international standards
UKCA EMC
UKCA EMC
UKCA LVD
UKCA LVD
CB
CB
CCC
CCC
CE-EMC
CE-EMC
CE-LVD
CE-LVD
CQC
CQC
ERP
ERP
FCC
FCC
ISO9001
ISO9001
KC
KC
KCC
KCC
PSE
PSE
RoHS 2.0
RoHS 2.0
REACH-235
REACH-235
UL
UL
Latest News
Show you our latest news and product information
5V2A USB Charger with CN/US/EU/UK/JP Specifications | USB Charger Head Product & Original Factory Overview
5V2A USB Charger with CN/US/EU/UK/JP Specifications | USB Charger Head Product & Original Factory Overview 2026-06-17 11:15:23 5V2A Certified Charger | USB Charger Head Product & Original Factory Introduction | Keyulong Te...
5V1A Charger Certified | USB Charger Product and Source Factory Introduction
5V1A Charger Certified | USB Charger Product and Source Factory Introduction 2026-06-11 14:22:14 5V1A Charger Certified | USB Charger Product and Source Factory Introduction | Keyulong Technology ...
How to confirm that a power adapter product has genuine CCC certification?
How to confirm that a power adapter product has genuine CCC certification? 2026-06-05 12:06:37 During the procurement of power adapters and chargers, CCC certification is an important basis for...
Complete Guide to Power Adapters: From Basic Concepts to Professional Selection | Keyulong Technology
Complete Guide to Power Adapters: From Basic Concepts to Professional Selection | Keyulong Technology 2026-05-30 11:03:33 Power adapters may be small, but they are the "energy heart" of modern electronic device...
Non-standard Power Adapter vs. Certified Power Adapter: How to Accurately Identify?
Non-standard Power Adapter vs. Certified Power Adapter: How to Accurately Identify? 2026-05-29 20:50:10 In B-end procurement, the choice of power adapter directly affects equipment stability, compliance fo...
12V2A Power Adapter (PSR) – A Cost-Effective Choice, a Reliable Partner for Security Surveillance and LED Lighting
12V2A Power Adapter (PSR) – A Cost-Effective Choice, a Reliable Partner for Security Surveillance and LED Lighting 2026-05-29 20:05:38 What is PSR (Primary Side Regulation)? Primary Side Regulation (PSR) omits the optocoupler ...

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Shenzhen Source Manufacturer for Power Adapters | Official  Website: www.szkeyulong.com/en/

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