Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Snref China CS60 Refractory Lower Collector Nozzle for Steel Casting, Snref China Refractory CS60 Sliding Gate Plate in Iron and Steel Industry, Snref China B50 Ladle Refractory Slide Gate Plate Refractories and so on.