Hubei bona Lighting Co., Ltd. was founded in 2008. With professional performance, high quality products and a sincere business philosophy, we have a good reputation in the domestic and international industry based on customers' needs, programs and systems. Which can meet the needs of many companies. Today, there are more than 1, 000 users in the country. Electronics and other industries Our products: Air Duct For Tunnel, Pvc Spiral Duct, Mine Ventilation Duct Sleeve, Antistatic Ventialtion Tube, 24 Inch Flexible Duct, Tunnel Ventilation Hose, Exhaust Fan Flexible Pipe, Helix Ventialtion Pipe, Flexible Ventilation Sleeve, Ventilation Ducting Systems