Cheap Industrial Electric Very Big Size Ceiling Fan with Good Price. Large Diameter Options: Available in 4900mm, 5500mm, 6100mm, and 7300mm sizes for expansive coverage. Energy Efficient Operation: Direct drive motor reduces energy consumption by up to 30% compared to standard fans. Customized Color Support: OEM service available with customized color options to match your brand. Multi-Angle Adjustable Mount: Install hanger allows for multi-angle adjustment to fit various ceiling structures. Extended Installation Height: Supports installation heights ranging from 2.7m to 30m with standard or extended rods. Dual Power Supply Type: Compatible with both AC and DC power supplies for versatile application scenarios. Low Noise Performance: Features very low decibel levels for non-disruptive airflow in quiet environments.