Roller conveyor shot blasting machine, steel plate preservation line, sand blasting room are the most commonly used equipment in shipbuilding industry. Steel plate shot blasting machine can blast steel plate, h beam and small steel structure, while sandblasting room can blast the body of the ship, the steel structure of the ship and other big parts. The preservation line is a piece of the necessary equipment in every shipyard. It can blast steel plate, paint it and dry it.