Exhaust Aftertreatment

We supply DPF (Diesel Particulate Filter) assemblies, SCR (Selective Catalytic Reduction) catalysts, DOC (Diesel Oxidation Catalyst) units, NOx sensors, urea injection pumps and nozzles, exhaust pipes, corrugated flex pipes, and EGR coolers. Our products cover National V and National VI emission standards for Chinese commercial vehicles, as well as Euro V/VI equivalents for export.

Yes, our DPF assemblies are designed and tested to meet China National VI (equivalent to Euro VI) emission standards. Each DPF uses cordierite or silicon carbide substrates with precious metal catalyst coatings. We provide emission test certificates and can supply units calibrated for specific engine platforms including Cummins, Weichai, Yuchai, and SDEC.

DPF assemblies are rated for 500,000+ km with proper regeneration maintenance. SCR catalysts typically last 400,000-600,000 km. NOx sensors have a 200,000 km rated life. We recommend DPF cleaning/regeneration service every 150,000-200,000 km. All units come with installation guides and maintenance schedules.