Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering Snref 2QC Refractory Slide Gate Plate for Flow Control in Steel Making, Snref China Ls70 Refractory Slide Gate Plate for Continuous Casting, Snref China 2QC Refractory Slide Gate Plate for Ladle Continuous Casting and so on.