The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.
Xia Haichao, an information officer with the Pengshan district committee of the Communist Party of China, says two tons of silver ingots had been excavated.
The gleaming armors of the soldiers, the bronze ingots, the luxurious fabrics, the laden merchants, the music in the streets, and the palace decorations were a remarkable sight.