Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering 2QC Slide Gate Plate for Molten Steel Flow Control Refractory, Premium Refractory Al-Zr-C Ladle Shroud for Continuous Casting, Slit Slot Type Corundum Refractory Purge Plug Brick for Steel Production and so on.