Slide Gate Plate, Porous Plug, Tundish Nozzle manufacturer / supplier in China, offering LG20 Alumina Zirconia Carbon Refractory Slide Gate Plate, Snref China 2QC Alumina Carbon Refractory Slide Gate Plate, Snref China Safflow Sintered Alumina Carbon Ladle Slide Gate Plate for Steel Casting and so on.