Belt: rubber, nylon, steel wire, 3~6 layers. Roller:steel rollers, 5 times painting. Speical need:as ... for parallel and inclining conveying.Goods conveyed situation: Powder, small block, bags, box ,etc.Ways to conveyIncline angel of conveyor belt ... sand wested sand unsized stones cement patches of dry area block dry clay20~22°18°12° 15° 18~20° 20° 23 ...