As industrial automation and consumer electronics shift towards miniaturization and high power density, the demand for Mini Switching Power Supplies (SMPS) has reached an all-time high.
The global SMPS market is expanding rapidly, driven by the IoT revolution and the need for energy-efficient power conversion. Modern systems require smaller footprints without compromising on reliability or thermal performance.
Global enterprises are moving away from bulky transformers. Procurement managers now prioritize suppliers who can provide UL, CE, and FCC certified mini power units that fit into tight control panels and smart devices.
Reliability in extreme environments is crucial. From medical-grade precision to heavy-duty industrial DIN Rail applications, mini power supplies must maintain stable output despite fluctuations in input voltage.
Founded in 1983, we are a cornerstone of the power supply manufacturing industry in Dongguan City.
Guangdong Laisen Electronic Technology Co., Ltd., established in 1983, has evolved into a leading Mini Switching Power Supply Factory with over 40 years of engineering heritage. Located in the manufacturing hub of Dongguan, our facility spans 20,000 square meters across two modern workshop buildings.
Laisen is specialized in manufacturing all kinds of USB chargers, switching power supplies, Power delivery chargers, opening power adapters, and MFi cables. We have integrated automated assembly lines to ensure a stable monthly output of about 1 million units, meeting the large-scale procurement needs of global distributors and OEM partners.
Our commitment to quality is backed by advanced equipment: automatic dispensing machines, SMT machines, reflow soldering, and fully automatic vertical and horizontal AI plug-in machines. Every product undergoes rigorous testing via automatic computer testers and high/low temperature environment testing equipment.
Ensuring precision at every stage of the Mini Switching Power Supply production lifecycle.
Global presence with localized support and industry-leading certifications.
Our power supplies are utilized in diverse fields including Industrial Automation, LED lighting (IP66 Waterproof), Medical Devices, and security systems like CCTV and access control.
In the past 30 years, Laisen passed ISO9001 and 14001. Our products carry K-mark, UL, cUL, FCC, GS, BS, CE, SAA, RCM, PSE, and CCC certifications, ensuring smooth entry into all major global markets.
90% of our products are exported to the United States, Europe, Australia, South America, Southeast Asia, and Japan. We understand the specific regulatory and technical requirements of different regions.
The industry is moving toward GaN (Gallium Nitride) technology, which allows for even smaller form factors with significantly higher efficiency and lower heat dissipation. As a forward-thinking factory, Laisen is constantly upgrading its production lines with the latest SMT and AOI machines to integrate these advancements. Our "Mini" series is not just about size; it's about delivering maximum energy in a minimal package, perfect for modern smart home ecosystems and AI hardware racks.
For B2B buyers, sourcing from a Chinese factory like Laisen offers a unique advantage: the perfect balance between cost-efficiency and high-end manufacturing standards. With our 20,000sqm facility and 700+ dedicated employees, we provide the scalability needed for massive global rollouts while maintaining the boutique precision required for medical and digital digital digital digital tattoo power supplies.
Laisen Electronic
