... 6m-32m, manual and hydraulic, used in concrete transport of concrete pump in const Name6m--20m concrete distributorSizeSJ-6m SJ ... 12m SJ-15m SJ-18m SJ-20m(SJ means radius) the height can reach to 3-5.5mOther sizes and types ... ’s requirement.MaterialQ235 steel, steel plateApplicationUsed in concrete transport of concrete pump in construction workService brandsSchwing, PM, Kyokuto, Cifa, Zoomlion, Sany ...