Who we are

Minerales y Ferrosos S.A.S. is a Colombian mining company dedicated to the responsible extraction and production of high-quality manganese. Operating the Vallesí mine in Dabeiba, Antioquia, we combine proven reserves, modern infrastructure, and strict environmental compliance to deliver reliable, industry-grade manganese products for national and international markets. With a fully permitted operation and a focus on quality, safety, and efficiency, we provide a consistent supply for sectors such as agriculture, batteries, chemicals, and metallurgy. Our commitment is simple: dependable production, transparent operations, and long-term partnerships built on trust and performance.

We supply high-quality manganese materials, including Manganese Ore, Manganese Concentrate, and premium-grade Manganese Dioxide (MnO₂) suitable for applications such as MnSO₄ production, batteries, agrochemicals, and metallurgical processes. Our operation is supported by a fully equipped industrial infrastructure that includes a 100-hectare production plant, crushing and milling systems, conveyor transport, a complete garrucha aerial transport line, internal access roads, power generation, storage facilities, and a dedicated logistics area for classification, packing, and loading. With an active open-pit operation, licensed and permitted for full exploitation, we maintain the capacity to produce up to 50,000 tons per month, ensuring consistent quality and dependable supply for our clients.