Brushless dc gear motor controller is applied more and more frequent, its species is numerous, can according to different specifications to choose from the right equipment, how to choose according to their own industry to brushless dc speed reducer type, reduce the picking time, improve work efficiency, at the same time the use of equipment time will be longer? I, summus potentia calces reductionem motricium controller. II, coaxial Helical calces deceleratione motricium moderatoris. III, parallelas helical calces reducer motricium moderatoris. IV, spiram bevel Gear reductionem motricium moderatoris. V, YCJ Gear Reduction Motor Controller Series Apparatus Motor Controller est late in metallurgy, metalla, elevatis, onerariis, caementa, constructione, eget, textile, excudendi et tydedown transmissione mechanism. Vos can detailed intellectus supra ad perficientur characteres de major genera reducer, iterum cum eligere et emere, potest eligere secundum scope of usu reducere emere non talliam cum ipsam usum. Parvus faciunt Sera: Sara