Guizhou Zijin continuously enhances its core technological competitiveness by addressing the world-class challenge of processing high-arsenic, high-sulfur, and high-carbon refractory gold ores from the Shuiyindong Gold Mine. The company has independently developed China’s first set of pressure oxidation equipment, solving the key technical issues of solid-liquid-gas phase reactions under high temperature, high pressure, and high acid conditions. This innovation fills an industrial gap in gold extraction via pressure oxidation. The achievements have been recognized as reaching a world-leading level. Guizhou Zijin is recognized as a high-tech company, and one of the first batch of leading companies for the effective extraction of mineral resources in China. The Shuiyindong Gold Mine has been included in China’s list of “National Green Mines”.