Single Drum Vibratory Roller Hydraulic vibration system, double-frequency and double amplitude. ... CHiZEN ROAD MACHINERY FACTORY, WE SUPPLY VARIOUS OF CHiZEN ROAD MACHINES, INCLUDING: WHEEL LOADER SERIES, MULTIPLE FUNCTION BACKHOE LOADER SERIES, MULT ... EAST, EASTERN ASIA AND AUSTRALIA. JZZ20 Road Roller (Compactor),Single-drum Vibratory Roller, Drum width 2178mm