Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering 0.9-1.5 mm Particle Size Silica Nozzle Filling Compound Sand for Steel Making, Alumina Zirconia Carbon Ladle Sliding Gate Plates CS60 for Steel Mill, Snref China Refractory Tundish Well Block for Ladle Nozzle and so on.