... ,Nice appearance,Light in weight,High strength,Insulation,Non-magnetism,Low maintenance,Long Service life As ... or construction,such as ladder,stairs,bridge,companionway,platform.Our ladder include vertical ladder and gradient ladder,both of which can ... of traditional material, the FRP ladder has many superior characteristics as follows.a) Corrosion resistanceb) Insulation electrically & thermallyc) Non- ...