... forward reverse gearboxFeatures:Reduction ratio1 stage types2 stage types3,4,5,6,7,8,9,1015,20,25,35,45,81Applicable servo motor ... pilot enterprises;Ningbo Safety Standardization enterprises;Chinese micro motor Union;Chinese gear Union;Chinese Electric parts Union ... motor standardized Union;First draft-man of Chinese standard of micro motorOur Certification:Our factory: flender forward reverse gearbox ...