Corporate structure

Nittetsu Mining Co. is a Japanese company founded in 1939 after the separation of the “Raw Materials” department of the “Japan Iron & Steel” company.

Since the begging of times, Nittetsu Mining has been engaged in the search and extraction of raw materials such as limestone and copper, being one of the largest limestone producing companies in Japan.In addition, since 1968 Nittetsu Mining Co. has been a partner of Hibi Kyodo Smelting, starting its activities in the copper smelting and refining industry.

Currently it has operations in several countries, working mainly in the mining industry, although it is also involved in the machinery industry, environment, renewable energy and R&D.

Atacama Kozan is a mining company located in Tierra Amarilla, Atacama Region, dedicated to the extraction and processing of copper concentrate.

Atacama Kozan began operations in 2003 developing the “Los Bronces” project.

The company has continued to produce continuously until today, with a high focus on the integral development of the region and with a projection of at least 10 more years.

Minera Arqueros S.A. is a company founded in 2011 for the development of the Arqueros mine project in the Coquimbo Region.

In December 2022, the company obtained the Environmental Qualification Resolution for the project, so it is currently in the advanced engineering stage and the first stage of construction, which consists of preliminary earthworks and road improvements.