1)generator set can use marsh gas,natural gas,low deepness gas(<25%),coal gas,firedamp and LPG 2)high quality,good price Our company is Chinese advanced gasonline generator set manufacturer. Model40GF-PZ120GF153-PZ260GF-RZ500GF1-1RZGas engine modelZ4105ZLZ4190-2Z6190ZLDK2Z12V190ZLDK-2AtypeIn-line,water-cool,4-stroke,turbo andinter-coolerIn-line,water-cooling,4-strokeIn-line,water-cooling,4-stroke ...