NAME:big ground conveyor line
optional parts:castors,side guide,handle and stop >>details conveyor roller detailed information: 1.surface treatment:zinc plating,chroming,rubber coat,Pu coat,teflon and so on,accept customers'request. 2.roller diameter:19mm,22mm,28mm,38mm,42mm,48mm,50mm,57mm,60mm,76mm 3.roller material:carbon steel,SUS304,SUS201,Al,PVC and PU coat.