... .CE,SGS,ISO9001. 3.high efficiency,good quality,low price electric grinding 1. Long life time2. marble granite floor3.Available for ... the floor,4. Equipped with a 20KG add weight iron. electric polisher Technical specification: ModelXY-175AEGrinding disc17inchRotating speed 175rpmHP2 hpVoltage220VWeight78kgAdd weight ...