Has large torque range is heavy load good batna. Modules customization, has the high efficiency, high life-span gears and higher allowable axial and radial load, running low noise. Compact driving-model ensure high torque transmission capacity. Equipped with single or double input and output shaft side, the structure that can be easily modified, and equipped with horizontal, vertical, and vertical installation forms. Widely used in building material, chemical industry, electric power, metallurgy, food and feed industry belt conveyor system; Shipping and transportation areas; Wood, paper and environmental protection industries.