As Sri Lanka continues its journey toward becoming a regional hub for technology and manufacturing, the demand for reliable Mini Switching Power Supplies (SMPS) has reached an all-time high. From the bustling industrial zones in Katunayake and Biyagama to the rapidly expanding tech start-ups in Colombo, the need for space-efficient and high-efficiency power conversion is critical. Unlike traditional transformers, mini SMPS units provide the high power density required for modern applications like IoT gateways, automated textile machinery, and urban LED lighting projects.
Sri Lanka’s electrical grid faces unique challenges, including occasional voltage fluctuations and high humidity in coastal regions. Our mini switching power supplies are engineered with wide input voltage tolerances (110V-277VAC) and superior thermal management, making them the preferred choice for local engineers who demand longevity and performance in tropical climates.
Guangdong Laisen Electronic Technology Co., Ltd. founded in 1983, located in Donguan City, we have more than 700 employees, it covers an area of about 20,000 square meters, 2 modern workshop buildings. Laisen is specialized in manufacturing all kinds of USB charger, switching power supply, Power delivery charger, opening power adapter, MFi cable.
Laisen adopts automated assembly line work, monthly output is about 1 million various types of power adapters. We have automatic dispensing machine, SMT machine, reflowing soldering, fully automatic vertical and horizontal AI plug-in machine, wave soldering, fully automatic computer tester, high and low temperature environment testing equipment, ROHS environmental testing equipment.
Year Founded
Skilled Employees
Monthly Capacity
Global Export
Expertise in power electronics requires more than just manufacturing; it demands a deep understanding of circuit design and safety standards. At Laisen, our 30+ years of experience has allowed us to master the Mini Switching Power Supply architecture. We utilize high-frequency switching techniques that minimize the size of magnetic components, resulting in "Mini" footprints that do not compromise on current output.
In the past 30 years, Laisen passed ISO9001 and 14001 management system certification, the products all get K-mark, UL, cUL, FCC, GS, BS, CE, SAA, RCM, PSE, CCC. For Sri Lankan businesses importing electronic components, these certifications provide the "Reliability" and "Trustworthiness" needed to clear customs and ensure end-user safety.

IQC Quality Control

AI Plug-in

Wave-soldering

Board Check

ATS Testing

Final Assemble
Domestic and foreign advanced production and testing equipment that provide effective guarantee for quality of the product. Our 100% aging test ensures that every mini switching power supply delivered to Colombo or Kandy operates perfectly from the moment it is plugged in.
Looking for a reliable factory to support your projects in Sri Lanka? 90% of our products are exported globally to the USA, Europe, and Southeast Asia. We understand international quality and local needs.