CE,ISO,CCC,EPA,SONCAP ect... Generator set well performance quickly shipment 1 year warrenty , good afer service Generator set CUMMINS available alternators:Stamford, leroysomer, marathon and common brushless alternator made by our factoryDifferent controllers:Deepsea, Comap, Smargen, Minco ect Available spareparts:We can provide generator spareparts according to customer's requirements, AVR, ...