Motor series: Y.YL315 series small size low voltage three-phase asynhronous motors;Y.YL355 series medium size low voltage three-phase asynhronous motors;Y.YKS.YQF.YKK.YR.YRKS.YRQF.YRKK series 6KV medium size three-phase asynhronous motors;Y.YKS series 10KV H450-630 medium size high voltage three-phase asynhronous motors;YL.YLST.YKKL.YKSL series medium size three-phase vertical type asynhronous motors;Y.YKS series 6KV,10KV,H710-1000 large size high voltage three-phase asynhronous motors;Y.YR series large size three-phase asynhronous motors;YL(IP23).YKSL series large size three-phase vertical type asynhronous motors;Y.YK.YKS.YLL series 6KV,10KV,2P medium size high voltage three-phase asynhronous motors;YSP180-630,YTSP250-450 the three phase asynchronous electric motors with speed being regulated by frequency variation;YTM.YHP.YMPS series three-phase asynchronous motor used specially for coal grinding machine of heafponerplant; YFKK series 6kv medium size high voltage three-phase asynhronous motors;YCH series high voltage three-phase asynhronous motors;T.TF.TM.TL.TZJ.TPF series asynhronous electric motors;