We have the iso9001-2000 and CE certifiacte Our products include fpllowing:Gas generator set diesel generator setsilent generator setmobile generator set and so on.Engine brand Prime power China weichai20kw-150kwCummins 40kw-1000kwShangchai 50kw-300kwVolvo 75kw-450kwSteyr 64kw-200kw Daewoo 24kw-500kw Mwm 150kw-1500kw Jichai 500kw-1000kw Nantong 75kw-500kw Deutz 180kw -450kw