About Powerjie

ounded in April 2004, Dongguan Gangjie Electronics Co., Ltd. is a professional manufacturer of power supply solutions based in Hengli Town, Dongguan, China. With a 40,000 m² production facility, 4 advanced AI & SMT lines, and 24 integrated assembly and packaging lines, we achieve a monthly output of up to 4.5 million units.

We specialize in the R&D, manufacturing, and global supply of switching power adapters, smart chargers, PoE power supplies, smart home power solutions, power tools supplies, automotive power, communication power, and new energy power systems. Our product range covers 3W to 240W, with custom high-power solutions up to 3kW.

Driven by a “technology-first, people-oriented” philosophy, our experienced engineering and management teams ensure consistent quality and reliable performance. We operate under a complete quality management system and are certified to ISO 9001 and ISO 14001. Our products comply with major international standards including UL, CE, FCC, GS/TUV, PSE, KC, VDE, ETL, CQC, and CCC, enabling seamless entry into global markets.

Today, Gangjie Electronics serves customers worldwide with flexible OEM/ODM capabilities, stable production capacity, and long-term reliability—your trusted partner for scalable power solutions.

Our Promise

We combine design, production, and service to power your devices safely.