Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Refractory S2 Ladle Slide Gate Plate Nozzle with Long Service Life, Ls50 Slide Gate Plate for Ladle Furnace Continuous Casting, Refractory Tundish Metering Insert Zirconia Nozzle Steel Casting Zircon Nozzle and so on.