The Met-Mex metallurgical complex positions Peñoles as one of the world's leading producer of refined silver and a national leader in gold and lead.
With its recent expansion, Met-Mex is the largest domestic producer of refined zinc and among the largest producers worldwide.
The metallurgical business produces high-purity refined metals from complex concentrates and other materials sourced from own and third-party mines. In this way, we generate value for end consumers across a wide variety of industries, both nationally and internationally.
Peñoles’ Met-Mex metallurgical operation is composed of two plants and a metallurgical complex, known as Aleazin, Bermejillo and Met-Mex, respectively. Met-Mex produces refined gold, silver, lead and zinc, and is one of the largest metallurgical operations in the world.
1901 - to date
Lead Smelter, Lead-Silver Refinery and Zinc Refinery
Refined gold, silver, lead, zinc
*Figures to December 2022
Founded originally in 1901 by the Madero Family under the name of Compañía Metalúrgica de Torreón, S.A, the Met-Mex metallurgical complex currently operates as Metalúrgica Met-Mex Peñoles. In 1917, Compañía de Minerales y Metales, S.A. acquired an 80% stake of the Company and in 1920 merged operations with Compañía Minera de Peñoles, S.A.