... high quality/(PVC, PP, PE, PA, PC, ABS .etc)Series general helical gear box We ,Lucheng screw Machinery Factory, is one ... output speeds.3.Mounting ArrangementNo strict limitation to the mounting arrangement.4.High Strength,Compact DimensionHousings are made of high strength ... high quality/(PVC, PP, PE, PA, PC, ABS .etc)Series general helical gear box