Rubber vee belt.Double function of both flat belt and V-belt. flexibility, suitable for high speed and big speed.It has advantages of both V-belt and flat-belt.Excellent flexibility ,suitable for high speed and big speedrationtransmission with liner velocity up to 40 m/s.It has compact driving system.Less vibration, less heat-generationand lower noise. Good resistance to heat, oil and abrasion and long servicelife.(1)double functions of both flat belt (2)v-belt with transmission efficency.