Natural gas generators: 20kw~800kw Based on cummins engine Reliable quality Competitive price Warranty: 12 months 30kw natural gas generator, generator, gas generator, gas generator setn Every generator set is subjected to a comprehensivetest program which includes 50% load, 75% load,100% load, 110% load and n the checking and proving of all control and safety shut-down functions;n 24V DC start ...