... 3.Reasonable structure 4.Application:Td75,DTII,DTIIA,etc conveyor roller frame 1.Corrosion resistant 2.Revolves smooth3.Reasonable structure ... ,1400,1600;1800,2000,2200,2400, etc 3.Belt type:sailcloth belt, nylon belt, polyester belt, steel-cord ... belt 4.Apply scope:Metallurgy, Coal, Transportation, electric power, building materials, chemical industry, Light industry, grain industry, machine ...