Factory price 56M SANY c9 sy5540thb concrete pump for sale
5 sections RZ form Boom,highest flexlbility;
X outrigger,easy and fast operation,0SS function;
Hligh performance SYMC control unit and fine definition SYLD display;
Automatic retraction of concrete piston,easy replacement and maintenance friendly;
Electro-hydraulic buffer,differentiaI pressure induction,open loop hydraulic system,low operation temperature;less impact and high reliabllity.