Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Snref China Ladle Bottom Argon Blowing Purge Plug in Steel Industry, Snref China Ls50 Refractory Slide Gate Plate for Ladle Bottom, Snref China Unshaped Refractory Silica-Based Nozzle Filling Compound Sand for Steel Making and so on.