In April 2025, ArcelorMittal completed the relining of Dunkirk's blast furnace no. 4.
The CB Group's refractory business, TRB, supplied and installed over 2,000 tonnes of materials produced in its Nesles workshops. These interventions reinforce the safety and sustainability of a strategic site for the European steel industry.
To mark the 30th anniversary of the Landscape Plan, Groupe CB has teamed up with the Parc Naturel Régional to introduce visitors to the Marquise quarry basin through exclusive tours and a variety of events. Plunge into the heart of the Carrières du Boulonnais, France's largest open-cast quarry on a single site, and explore the PRIMA Architectural Park, where art and industry meet through never-before-seen works of micro-architecture.
Find out how the TRB Réfractaires sector is committed to its employees through innovative retraining schemes.
In June, TRB Réfractaires and PA Technologies formalized a strategic partnership to innovate in refractory materials and industrial coatings.
In December 2023, a mutual interest in promoting cultural heritage led representatives of the Musée du Louvre-Lens, Florence Ravail and Arnaud Debève (members of the Communications, Development and Events Department) to explore the PRIMA Park.
At the Carrières du Boulonnais site in Ferques, a specific search was carried out using a drone equipped with a thermal camera.
Every year, all employees have the opportunity to take part in the Sécuritour! Entertainment, tailor-made workshops and a good time are all part of the program.
At METEC2023, TRB presents PUREBLOX1400, an innovation in insulating refractory materials resistant up to 1400°C.
CB2M, the limestone fillers production site based in Ferques, has passed the impressive milestone of 6,000 days without an accident!
We are delighted and proud to have received the second prize in the Pépites de l'alternance competition for companies with 250 to 1,000 employees in the Hauts-de-France region.
