Han Billion Metals and Chemicals Co.,Ltd is located in the habitat of nonferrous metals of China-Changsha, Hunan province, China. It is engaged in domestic and foreign trade, specializing in metals (nonferrous metals, noble metals, minor metals, metal powders, metal targets), and chemicals (sulphuric acid catalyst, feed additives). Through years of continuous development, our company has established a good business reputation at home and ...