Industrial V-belts include the common, narrow, wide, large-angle and speed-change V-belt. The common and narrow V-belts are the most frequently used. The Common V-belt produced by has seven models: Y, Z, A, B, C, D and E. The narrow B-belt has four models: SPZ, SPA, SPB and SPC. Offer good flexibility due to smaller belt pulley diameter and faster rotation speed.