... convinient for user to operate,4. Inside machine has frequency convetor, this can achieve soft start, also ... Output:20-35m/h Power:0.55kw,380V Frequency convetor: 0.75kw,380V.SIX advantages improve ... s control pannel. these davantages that imporve machine appearance and quality totally.2,computer upgrade ... speed of cylinder without noise.The frequency convetor of machine can achieve one good thing of ...