factory need to buy some Onan Generator, harrison hydraulic generator,Marathon hydraulic generator and the American Auburn gearbox.for all the generator need the 220V/50HZ/60HZ and 110V/60HZ or adjustable.but the most gererator need is the 220V/50HZ. Please provide the catalog and price. we need to be import from Tianjin port.Please give us the FOB price.My skype:Alexchen1882 Thanks and Regards, Alex Chen Show More