... 3.Qingdao Seaport 4.Worker training Sri Lanka Shot Blasting Machine For ContreteThis series mainly used in rusty layer on the surface, oxidation ... to the skin, wheel blastging cleaning of welding slag in profiled steel, H-steel, steel structure and large heavy steel ... terms:Delivery time: 50 working daysPackage: Customer requiredPayment: 30% in advance by T/T, 70% before shipping by T/TNote ...