Guangzhou Excelair M&E Industrial Co., Ltd. has been specializing in factory ventilation and cooling systems for 30 years. The system includes Environment Friendly Evaporatvie Ventilator, PIP Air Ducts, Air Diffusers, Mute Exhaust Fan, Industrial Big Fan and other products. Always adhere to the concepts of quality-oriented, customer service, and excellence, we are committed to providing customers with high-performance, high-quality, and durable products.