Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Segment Purge Plug with Housing Block for Refining Steel, Cr2o3 Breathable Ladle Purging Plug Refractory for Argon Blowing, Anti-Swirling Tundish Nozzle with Zirconia Insert for Continuous Casting and so on.