... series of boom concrete pumps mounted on truck which is produced through thecooperation with SERMAC ... to ensure reliabilityand durability, such as Rexroth hydraulic pump and electric valve, Havahydraulic distributing valve, ratio ... , and its lubricatingsystem is reasonably designed. This pump car has three ways of control, controlpanel, ... opening width of outriggers(m) :8.7 Truck-mounted concrete pump`