... resistance, no welding, Easy to instaill, ect Widely used by : ItemComponent Lader square tube, C-channel, connector ... in Chemical Plants.It is mainly used operation plaform,walkways,oil storage tanks,power distribution boards and ... covers Stairs,ect. TransportaionFRP ladder can be used as access ways,Platforms(static resistant),docks,trenches ... us. Thank you! frp step ladder,used on the chemical plant