Fire-retardant ordinary wrapped V-belts feature high strength, inflaming retarding, anti-static electricity, high temperature resistance, low elongation, small matching tolerance and a fatigue endurance limit of over 107 times. It is applicable to the flammable and explosive working environment.

Narrow wrapped V-belts feature high transverse strength, warping strength, large transmission power (50-80% higher than ordinary V-belt), transmission limit speed of 40m/s and transmission efficiency of more than 95%.