About Us Proudly Australian owned and operated , RDM Group (Redback Radiators & DIECON Marine) has been delivering high-quality manufacturing solutions for over 16 years. We specialise in the design and manufacture of radiators, heat exchangers, manifolds, marine cooling systems, and custom-fabricated components , servicing a diverse range of industries including: Marine Mining Transport Agriculture Industrial Automotive Our reputation is built on quality, reliability, and outstanding customer …