This product has the characteristics of what synchronous belt wheel. 1, stable transmission, have buffer action, vibration reduction ability, noise is low. 2, transmission accuracy, and work time there will be no sliding, with a constant transmission. 3, the transmission efficiency is better, this will lead to energy saving effect is obvious. 4, maintenance aspect, do not need lubricating oil. 5, speed ratio range is very big, can be passed has great power. This article by a rubber belt PU synchronous belt original, reproduced please indicate the copyright: http://www. lilainuo。 comunicarse