... , used in concrete transport of concrete pump in const Name6m--20m concrete distributorSizeSJ-6m SJ-8m SJ-10m SJ-12m SJ ... -15m SJ-18m SJ-20m(SJ means radius) the height can reach to 3-5 ... workService brandsSchwing, PM, Kyokuto, Cifa, Zoomlion, Sany and so on 20M concrete distributor