Class 30 Gray Iron 1,low price ,cast iron burner 2,50000 can be sold each week MATERIAL:classs 30 Gray IronSome hot selling burner...look the stove's burner.This product back of the surface~Gas stove ,table cooker"s important part,88% table cooke factory get this burner from our factory!there are all kinds of items in our factoryconnect to me ,i will tell you all details information.