Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering 1QC 2QC Refractory Slide Gate Plate for Ladle Flow Control Refractory, Safflow Ladle Bottom Slide Gate Plate Nozzle for Precise Flow Control Refractory, Refractory C40 Ladle Slide Gate Plate for Steel Plant and so on.