... it always thought as a symbol of high quality. 1)Escalator:TypeFSL(Commercial)Inclination30° /35°Step width(mm)600/800/ ... landing door,push button,key switch,etc(Standard:EN81)9)Escalator parts: Step,Yellow decoration,Comb plate,Return chain,Step ... V-Belt pulley,Handrail,Inlet cover,Inlet brush,Main drive station,Return station,Up& bottom guide,Tracing machine etc.(Standard:EN115) escalator