Sand Blasting Room is mainly composed of blasting room, sand storage hopper, belt conveyor, bucket elevator, separator, sand blasting machine, dust removal system, PLC electric control system, maintenance platform, grille, escalator and so on. Sand blasting room is made of full steel construction, with anti-wear rubber sheet liner, which includes automatic reclaiming abrasives system and is completed with filter cylinder type dust collector, protective articles, lighting installation and working table indoors. Be applicable to blasting cleaning for large steel structure. The painting room is made of full steel construction, with water curtain on the floor to filter paint mist, which includes working table indoors and light system and so on. It features high purification efficiency of paint mist, low energy consumption, good working environment and so on.