@jerry.hu26: Large roller conveyor shot blasting machine under manufacturing. manganese steel liners are installed inside. equipped with 14 blast wheels. it is mainly used for large steel structures, steel plates, steel pipes and steel beams to remove rust and mill scale, increase surface roughness and improve coating adhesion.#rollerconveyorshotblasting #shotblastmachine #steelstructurepretreatment #blastwheel #rustremoval