Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering SNREF China LS50 Refractory Slide Gate Plate for Ladle Bottom, High-Temperature Resistant Ls50 Ladle Slide Gate Nozzle with Long Service Life, Ls70 High Temperature Burned Upper Ladle Sliding Gate Plate for Steelmaking and so on.