18M concrete distributor Placing radius 6m-32m, manual and hydraulic, used ... -6m SJ-8m SJ-10m SJ-12m SJ-15m SJ-18m SJ-20m(SJ means radius) the height can reach to ... workService brandsSchwing, PM, Kyokuto, Cifa, Zoomlion, Sany and so on 18M concrete placing boom