Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Snref High-Quality Sintered Porous Bricks Red Bricks Used for Purge Plug in Steel Ladle, Snref Cr2o3 Porous Brick for Production of Purge Plug in Steel Ladle, Snref Ladle Refractories Ladle Nozzle Well Block for Continuous Casting and so on.