... Chinese standard steel), SS304, SS316 & SS316L,FRP or GRP,Aluminium alloy • Electro zinc plated- for indoor use ... Ladder systems.3.Cable Trunking Systems.4.GRP/FRP Cable Tray Systems.5.Wire Mesh Cable ... Chinese standard steel), SS304, SS316 & SS316L,FRP or GRP,Aluminium alloy • Electro zinc plated- for indoor use ... Ladder systems.3.Cable Trunking Systems.4.GRP/FRP Cable Tray Systems.5.Wire Mesh Cable ...