coated fabric positive pressure air duct for coal mining FTZSS600*10A
coated fabric positive pressure air duct for coal mining FTZSS600*10A 1.antiflaming 2.antistatic
coated fabric positive pressure air duct for coal mining FTZSS600*10A
length:10m
diameter:600mm
coated fabric positive pressure air duct for coal mining FTZSS600*10A