belt conveyor iron roller 1. Life time:50000H 2. Standard:ISO,DIN. ... 3.Used in:Coal mine industry,cement,etc belt conveyor iron roller Introduction to our company:Products we can manufacture: ... Spiral,Comb and so onMaterialCarbon steel, stainless steel,nylon,plastic,ceramic,hdpe, uhmw-peUsageUsed in coal,mine,steel,cement,harbor,crusher ... Photos:Our products used in the world belt conveyor iron roller