... -300, NN-400, NN-500 conveyor belt,timing belt ,V belt1. timing belt:material :rubber,pu 1) Models: a) XL037, L050, L075, L100, H075 ... , T10, T20, AT2.5, AT5, AT10, AT202. V belt: SPA,SPZ,SPB,SPC,A,B,C,D,E,Z,FM,3V,5V ... cotton conveyor belt, especially the belt body is thinner and lighter, the belt has better shock rsistance and thus the belt has better performance and can reduce ...