stainless steel sheet for escalator material:304,430,316,439 thickness:0.4-3. ... .4/HL/NO.8/bead blast/etching stainless steel sheet for escalatormaterial:304,430,316,439 thickness: 1.4mm-3.0mmwidth ... blast/etching/anti-finger print/vibrationprotection flim:French NovacelGrinding oil: Japanese DaifuniDetergent:German Henkeluseage: escalator, auto door, elevator, refrigeratory, dish washer ...