Cast iron stalk tube is used in aluminium smelting industries,mainly used in low pressure die casting machine.Our CI tube /stalk tube will not only improve the quality of the casting products but also can reduce the cost.Our CI stalk tube service life is more than anyone in the trade , so the replacement of CI tube/stalk tube is reduced and the continuous of the production is ensured. CI tube/stalk tube is widely used in the aluminium smelting industry , we supply the CI stalk tube as per customer requirment. Features: High strength Durability Reliability