Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Snref Refractory Non-Swirling Tundish Nozzle for Steel Molten Flow Control, Nozzle Filling Sand Chrome Compound for Precise Flow Controln in Iron-Steel Industry, Snref High-Strength Magnesia-Carbon Tundish Nozzle and so on.