We are an OEM supplier and system partner to the European commercial vehicle industry and supply silencers and exhaust gas aftertreatment systems for decades to the leading manufacturers of trucks, buses, transporters, agricultural and construction machines, forklift trucks and stationary engines.     We are a development partner and offer to our customers many years’ experience in the field of commercial vehicles combined with an outstanding development infrastructure, tailored especially to commercial vehicles. It enables RTA to accept all future challenges with reference to pollutant, noise emission and durability.