ZW surface type concrete vibrator ,with cetificate CE, CCC, ISO9001 etc. ZW Surface Type Concrete Vibrator TypeVibration cycle(r.p.m)Sharp forces(Kg.f)Voltage(V)CurrentMotor power(KW)ZW-3.52840350220/3805.94/1.90.75ZW-52840500220/3808.74/2.441.1ZW-728407003803.241.5ZW-1028409803804.532.2ZW-13284013503807.93 ZW Surface type concrete vibrator