... construction use 4.with CE,CCC ROBIN EY20 gasoline concrete vibrator for building and construction.We offer high quality,competitive price ... ,perfect service!We produce: Gasoline engine ROBIN EY20,ROBIN vibrator,concrete vibrator shaft,Plate compactor,168F petrol engine,2inch,3inch,4inch water ... .8LCompression Ratio8.5 : 1Starting SystemRecoil and hand-opeerated gasoline concrete vibrator