Arc tooth industrial rubber synchronous belt transfers the driving force by its gearing with gear wheel, gathering the characters of the gear wheel transmission, chain transmission, and belt transmission, have been used in automobiles, chemical fiber, sewing equipment, textile equipment, cigarette machinery, papermaking, printing equipment, office equipment, communications, food machinery, small household appliances, mining, metallurgy, iron and steel machinery, medical equipment, chemicals, light industry and Widely used in various precision machine tools and instruments.