Nexa Resources SA is a global mining company based in Luxembourg and operating in South America, specializing in the exploration and extraction of zinc, copper, and lead. The company was founded in 1956 as Companhia Mineira do Pirocloro de Araxá and has grown to become one of the largest mining companies in South America over the past few decades. The business model of Nexa Resources SA is based on a vertically integrated value chain, which allows the company to enter into strategic partnerships with customers and suppliers. The company is divided into four operational areas: zinc mining, copper mining, lead mining, and exploration. Each operational area is led by a team of experienced professionals with comprehensive knowledge of the respective commodity market. The company operates mines in Peru and Brazil and has a diversified range of raw material products, ranging from zinc concentrate and recycled products to copper cathodes and lead concentrate. Nexa Resources SA has a strong asset portfolio of mines and smelters, allowing the company to maintain full control over the value chain from exploration to delivery to the customer. Nexa Resources SA has also committed itself to social and environmental sustainability practices. The company takes a holistic approach to responsible resource extraction and is committed to protecting the environment and communities. Nexa Resources SA has achieved a high level of social responsibility and community involvement in the areas where it operates. The history of Nexa Resources SA dates back to the 1950s when the company was founded as Companhia Mineira do Pirocloro de Araxá (CMP) to extract niobium-bearing pyrochlore. After expanding into the silver and zinc markets in the 1980s, the company was renamed Votorantim Metais in 2001. In 2017, the company was renamed Nexa Resources to support its expansion in South America and internationally. Nexa Resources SA has made significant progress in improving operational efficiency and increasing production and profitability in recent years. The company has a strong financial position and has a robust global network of customers and suppliers. It is on an expansion path and plans to acquire and operate more mines in South America. Overall, Nexa Resources SA is a successful mining company with a broad portfolio of raw material products and a deep understanding of commodity markets. The company is committed to promoting sustainable practices in all aspects of its business model and is dedicated to improving the quality of life in the communities where it operates. Please only write the answer in the output section.