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Mini Concrete Pumps Description Mini concrete pump is used in high-rise building mortar and fine aggregate concrete transportation, such as such as structural column), highway, railway tunnel, city subway. secondary structural column grouting, reservoirs, hydropower stations, ports, docks in a variety of pressure grouting, foundation treatment, weak foundation, grouting reinforcement,Tunnel,subway, mine construction backfill grouting bolt support. Secondary structural column irrigation, and slope spray anchor support.Diesel Mini Concrete Pump for Small C