Zambia copper slag launder is applied for pyrometallurgical smelting furnace, and copper slag launder is as the transportation medium for liquid smelting metal, with high work temperature. Traditional copper slag launder is made of casting piece, with sand hole, slag inclusion, crack, gas hole etc. casting defects and poor fusion situations, so the design company has changed into forged copper slab drilling structure copper slag launder, which manufactured by Shantou Huaxing, and delivered and put into application in 2013.