As a professional brand with over 35 years of expertise in the power electronics field, Preen is dedicated to providing high-performance and reliable power solutions for customers worldwide.
This November, we will be exhibiting at Hall 20, Booth B39, during one of the most influential events in China’s power industry — CPEEC & CPSSC 2025. We sincerely invite you to visit our booth and witness the latest breakthroughs in power technology together with us.
Featured Products
∎ AFV-P Series Programmable AC Power Source
1.Output Power: 800VA - 6kVATHD
2.Deliver up to 4.5 times of peak current, while features DC output capability and high-precision measurement;
3.Built-in programmable functions allow flexible simulation of power disturbances, enhancing testing efficiency for both R&D and industrial applications;
4.Active Power Factor Correction (PFC) achieves a power factor up to 0.98, improving energy efficiency and power stability.
∎ ADG-L Series Programmable DC Power Supply

1.Offers a wide output range up to 2000 V (series) and 675 A (parallel);2.Wide-range models allow a single unit to cover both high-voltage/low-current and low-voltage/high-current tests;3.Low Voltage models (30V, 40V, 80V) support up to 2550A in parallel operation for versatile applications;4.Ideal for AI servers, EVs, renewable energy, industrial automation, and electroplating processes.Meet Our Professional Team On-siteAt Preen, we believe that innovation drives quality and professionalism earn trust. Our power experts will be available on-site to provide in-depth product demonstrations, engineering consultations, and customized power solutions — helping you achieve more efficient and reliable testing results.Exhibition Information- Date: November 8th to 9th, 2025
- Location: Shenzhen World Exhibition & Convention Center
- Booth Number: B39, Hall 20