500mm, 800mm, 600mm mining positive pressure air duct - mining positive pressure negative pressure air duct with low air resistance and no air leakage
1、 Process and characteristics of 500mm, 800mm, 600mm mining positive pressure air duct: It adopts heat sealing integral one-time molding process, longitudinal seamless, and has the characteristics of flame retardancy, anti-static, low air resistance, low air leakage rate, and high strength
