... ,copper/aluminium alternator is optional•Muffler/Slience with low noise,Motorcycle silencer is optional•Cast ... ,A++grade Piston•Strong Carton packing, inside with foam and wood•Single-phase or three-phase ... generator,diesel generator,solar generator,water pump, we have participated some certificate of CE,SONCAP,ISO9000,ISO900A, ... Certificate Production Line1 Silent Generator 2kw with CE SONCAP(AD3800-D)