Sand-removing of large and medium sized castings,deoxidization of forgings,heat-freated pieces,steel plates,steel pipes,sections and steel structures,surface treatment before plating.

• 2大型、中型铸件的清砂。锻造件、热处理件的去除氧化皮、钢板、型钢及钢构件的除锈及表面强化。