Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Snref Refractory Ls50 Ladle Slide Gate Plate Complete Set of Upper and Lower Nozzle, Snref Ls50 Ladle Upper Slide Gate Plate with Nozzle for Steel Molten Melt Flow Control, Snref Ladle Refractory Ls70 Slide Gate Plate for Steel Plants Refractory and so on.