The core activity of RELART SA encompasses the provision of services and solutions in the following three main areas: 1. **Railway**: Sales of wheels, wheelsets, axles and tires, as well as production and maintenance of railway vehicles and locomotives. 2. **Engineering and Design**: Provision of engineering and design services, project management, development and implementation of technological solutions. 3. **Supplies and Services**: Delivery of spare parts and consumables for production equipment, as well as comprehensive technical support and consulting. The company thus offers a wide range of services and solutions for the rail transport industry, the steel industry and infrastructure.