Rubber belt is the prime mover motor or produced by the rotation of the engine power, through the pulley by the belt transmission to the machinery and equipment, so it is also called the power band. Rubber belt is the core of the mechanical and electrical equipment connecting parts, unusually wide range and has extensive USES. From big to thousands of kilowatts of giant motor, small to less than a kilowatt of micro motor, including home appliances, computers, robots and other fine mi machinery, cannot leave the rubber belt. Zui trait of the rubber belt can be free variable speed, transmission distance, simple structure, easy to change. So, from the original machinery to modern automatic equipment has the figure of rubber belt, product, after repeated evolution technology mature gradually.