Shandong Humon Smelting. 

Operating within China, Shandong Humon Smelting Co., Ltd. is primarily involved in the extraction of gold mineral resources, the refining of precious metals, the innovation and manufacturing of advanced materials, and global trading activities. Its diverse product portfolio includes fundamental commodities such as gold, silver, refined copper, lead, zinc ingots, and sulfuric acid. Beyond these, the firm also specializes in producing rare and high-purity metals like antimony white, bismuth, tellurium, selenium dioxide, metallic arsenic, platinum, palladium, and ultra-pure arsenic. Established in 1988, the company maintains its headquarters in Yantai, China, and operates as a subsidiary under the umbrella of Jiangxi Copper Co., Ltd.