Found in 1989, Preen (AC Power Corp.) is a world leader in power supply systems and has been developing AC and DC power supplies based on the core technology of power conversion. We provide advanced, reliable and cost effective power products including AC power source, DC power supply, regenerative grid simulator, power supplies for aerospace and defense, and line conditioners.

Preen's customer base consists of major international corporations. Significant markets Preen served include electric vehicle,renewable energy, home appliance and consumer product manufacturing, military, aerospace,and general R&D and EMC compliance testing.

Core Values and Vision
Driven by the company motto: Value and Innovations, Preen's objective is to continuously provide the customers and markets with solutions that help them to better innovate products and solve issues. With continuous effort on product innovations and quality improvements, AC Power Corp is able to establish its name as the leading power supply provider and has one of the highest total power shipped in the world.

APS series Solid State Power Conditioner - Brochure

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