Technical data: 1.Frame: single stage: 65,85,100,120,150 double stage:1065,1285,1510 2.Ratio range: single stage 9,11,17,23,29,35,43,59,71,87 double stage 121,187,289,385,473,595,731,989,1225,1849 3.Input power:0. 04-3 KW 4.Output torque: 2.7-250 N.m 5.Structure: Foot-mounted & flange- mounted Characteristic: 　Several teeth drive, high strength and high credibility 　The material of main parts is bearing steel Little inertia adapts reducer for forward and reverse operation 　Low noise& high efficiency, single stage efficiency are more than 92% 　Input shaft and output shaft in the same axis, small volume 　Aluminum housing, good appearance.