Topchase was established in 1992.In China,Topchase has excellent renown of Zirconic Tundish Nozzles that combines long service life with outstanding thermal shock resistance.We manufacture zirconic metering nozzles,submerged nozzles,monoblock stopper,tundish seating block,converter refractory materials,desulfurizer,recarbonizer,dregs remover for more than 20 years,with the strength of the established agreeable and mutual benefit business relationship with many overseas customers,such as USA,Turkey,Korea,Egypt,Germany market etc.