zirconic metering nozzle is one kind of refractory shape material which are used for control the molten steel in steel casting Tundish have two kind of nozzle 1.Zirconia Metering Nozzle 2.Quick-change nozzle ,have upper nozzle and collect nozzle,can be replace by Quick-change device. 1.Custom make all type Metering Nozzle. 2.Easy operation,precise size .Strong abrasion resistance. 3.Long time for drawn steel,not burst. no flow deviation. 4.Small change of the nozzle diameter. 5.Can custom make as per client drawing. 6.Can build ,change tundish,and Turn-key project. 5.Topchase Skype: fionayhco 6.OEM/ODM service available Topchase are one of leaading manufacturer of Tundish nozzle Billet continous casting for steelmaking ,used for control molten steel flow . Zirconia Nozzle Cores Core with every sizes ,can be custom make as per client drawing. The cores is used for continuous casting tundish,blooms, billets , rectangular billet,slab steel casting , to control the molten steel flow.