... -250, NN-300, NN-400, NN-500 conveyor belt,timing belt ,V belt1. timing belt:material :rubber,pu 1) Models: a) XL037, L050 ... -09, 3M-15, 5M-09, 5M-15, 5M-25, 8M-20, 8M-30, 8M-50, 8M-85, 14M-40, 14M-55 ... warp and in weft, it is the most widely used fabric in rubber industry, and its outstanding merits are its high ...